CURRICULUM VITAE


September, 2022


NAME: John A. Ogren

BORN: 1952, Troy, New York, USA

CITIZENSHIP: USA

ADDRESS: 3570 Everett Drive, Boulder, CO 80305, USA


EDUCATIONAL HISTORY:

1975 BS Harvey Mudd College Engineering

1975 ME Harvey Mudd College Engineering

(Thesis: The contribution of the stratosphere to ozone levels in the Los Angeles basin)

1983 PhD University of Washington Civil Engineering

(Dissertation: Elemental carbon in the atmosphere)


AWARDS AND HONORS:

1974-1975 Henry T. Mudd Fellowship

1975 Graduation with distinction and departmental honors

1977-1980 National Science Foundation Graduate Fellowship

1981 Valle Scandinavian Exchange Program Scholarship

2006 NOAA Administrator's Award

2014 U.S. Department of Commerce Silver Medal Award

2015 NOAA Technology Transfer Award


RELATED WORK EXPERIENCE:

1975-1977 Research Engineer, Meteorology Research, Inc., Altadena, California

1978-1982 Research Assistant, Civil Engineering, University of Washington, Seattle, Washington

1983-1985 Research Associate, Department of Meteorology, University of Stockholm, Sweden

1985-1989 Research Assistant Professor (oavlönad docent), Department of Meteorology, University of Stockholm, Sweden

1989-1991 Associate Professor (högskolelektor), Department of Meteorology, University of Stockholm, Sweden

1991-2006 Physical Scientist, National Oceanic and Atmospheric Administration, Climate Monitoring and Diagnostics Laboratory, Boulder, Colorado

1994-1999 Affiliate Faculty, Department of Atmospheric Sciences, Colorado State University, Ft. Collins, Colorado

2006-2016 Physical Scientist, National Oceanic and Atmospheric Administration, Earth System Research Laboratory, Boulder, Colorado

2016-2017 Research Scientist, Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado


PUBLICATIONS:

  1. D. L. Blumenthal, J. A. Ogren and J. A. Anderson, "Airborne Sampling System for Plume Monitoring", Atmos. Environ. 12, 613-620, 1978.

  2. J. A. Ogren, "On the Operation of the Electrical Aerosol Analyzer at Reduced Pressures", J. Aerosol Sci. 11, 427, 1980.

  3. J. A. Ogren, N. C. Ahlquist, A. D. Clarke and R. J. Charlson, "Measurements of the Absorption Coefficient of Stratospheric Aerosols", Geophys. Res. Lett. 8, 9-12, 1981.

  4. J. A. Ogren, R. J. Charlson, L. F. Radke and S. K. Domonkos, "Absorption of Visible Radiation by Aerosols in the Volcanic Plume of Mount St. Helens", Science 211, 834-836, 1981.

  5. T. C. Grenfell, D. K. Perovich and J. A. Ogren, "Spectral Albedos of an Alpine Snowpack", Cold Regions Sci. Tech. 4, 121-127, 1981.

  6. J. A. Ogren, "Deposition of Particulate Elemental Carbon from the Atmosphere", in Particulate Carbon: Atmospheric Life Cycle, edited by G. T. Wolff and R. L. Klimisch, Plenum Press, New York, 1982.

  7. R. J. Charlson and J. A. Ogren, "The Atmospheric Cycle of Elemental Carbon", in Particulate Carbon: Atmospheric Life Cycle, edited by G. T. Wolff and R. L. Klimisch, Plenum Press, New York, 1982.

  8. J. A. Ogren and R. J. Charlson, "Elemental Carbon in the Atmosphere: Cycle and Lifetime", Tellus 35B, 241-254, 1983.

  9. R. A. Duce, V. A. Mohnen, P. R. Zimmerman, D. Grosjean, W. Cautreels, R. Chatfield, R. Jaenicke, J. A. Ogren, E. D. Pellizzari, and G. T. Wallace, "Organic Material in the Global Troposphere", Rev. Geophys. Space Phys. 21, 921-952, 1983.

  10. J. D. Edwards, J. A. Ogren, R. E. Weiss, and R. J. Charlson, "Particulate Air Pollutants: A Comparison of British 'Smoke' with Optical Absorption Coefficient and Elemental Carbon Concentration", Atmos. Environ. 17, 2337-2341, 1983.

  11. A.D. Clarke, R. J. Charlson, and J. A. Ogren, "Stratospheric Aerosol Light Absorption before and after El Chichon", Geophys. Res. Lett. 10, 1017-1020, 1983.

  12. J. A. Ogren, R. J. Charlson, and P. J. Groblicki, "Determination of Elemental Carbon in Rainwater", Anal. Chem. 55, 1569-1572, 1983.

  13. J. A. Ogren, P. J. Groblicki, and R. J. Charlson, "Measurement of the Removal Rate of Elemental Carbon from the Atmosphere", Sci. Total Environ. 36, 329-338, 1984.

  14. J. A. Ogren and R. J. Charlson, "Wet Deposition of Elemental Carbon and Sulfate in Sweden", Tellus 36B, 262-271, 1984.

  15. J. A. Ogren, J. Heintzenberg, and R. J. Charlson, "In-situ Sampling of Clouds with a Droplet to Aerosol Converter", Geophys. Res. Lett. 12, 121-124, 1985.

  16. J. Heintzenberg and J. Ogren, "On the Operation of the TSI-3020 Condensation Nuclei Counter at Altitudes up to 10 km", Atmos. Environ. 19, 1385-1387, 1985.

  17. J. Heintzenberg, H.-C. Hansson, J. A. Ogren, and S.-Å. Odh, "Concept and Realization of an Air Pollution Monitoring Station in the European Arctic", Ambio 14, 152-157, 1985.

  18. J. A. Ogren and H. Rodhe, "Measurements of the Chemical Composition of Cloudwater at a Clean Air Site in Central Scandinavia", Tellus 38B, 190-196, 1986.

  19. H.-C. Hansson, B. G. Martinsson, E. Swietlicki, L. Asking, J. Heintzenberg, and J. A. Ogren, "PIXE in Complex Analytical Systems for Atmospheric Chemistry", Nuclear Instruments and Methods in Physics Research 22B, 235-240, 1987.

  20. K. J. Noone, R. J. Charlson, D. S. Covert, J. A. Ogren, and J. Heintzenberg, "Cloud Droplets: Solute Concentration is Size Dependent," J. Geophys. Res. 93, 9477-9482, 1988.

  21. K. J. Noone, R. J. Charlson, D. S. Covert, J. A. Ogren, and J. Heintzenberg, "Design and Calibration of a Counterflow Virtual Impactor for Sampling of Atmospheric Fog and Cloud Droplets", Aerosol Sci. Tech. 8, 235-244, 1988.

  22. J. A. Ogren, J. Heintzenberg, A. Zuber, K. J. Noone, and R. J. Charlson, "Measurements of the Size-Dependence of Solute Concentrations in Cloud Droplets", Tellus 41B, 24-31, 1989.

  23. J. Heintzenberg, J. A. Ogren, K.J. Noone, and L. Gärdneus, "The Size Distribution of Submicrometer Particles within and about Stratocumulus Cloud Droplets on Mt. Åreskutan, Sweden", Atmos. Res. 24, 89-101, 1989.

  24. K.J. Noone, J.A. Ogren, and J. Heintzenberg. "An Examination of Clouds at a Mountain-top Site in Central Sweden: The Distribution of Solute Within Cloud Droplets", Atmos. Res. 25, 3-15, 1990.

  25. J. Heintzenberg, J. Ström, J.A. Ogren, and H.-P. Fimpel. Vertical profiles of aerosol properties in the summer troposphere of the European Arctic. Atmos. Environ. 25A, 621-627, 1991.

  26. K.J. Noone, J.A. Ogren, K.B. Noone, A. Hallberg, S. Fuzzi, and J.A. Lind. Measurements of the partitioning of hydrogen peroxide in a stratiform cloud. Tellus 43B, 280-290, 1991.

  27. Bodhaine, B. A., Harris, J. M., Ogren, J. A. and Hofmann, D. J. 1992. Aerosol optical properties at MLO: Long-range transport from Kuwait? Geophys. Res. Lett. 19, 581-584.

  28. Ogren, J. A., and Charlson, R. J. 1992. Implications for models and measurements of chemical inhomogeneities among cloud droplets. Tellus 44B, 208-225.

  29. Hallberg, A., Ogren, J.A., Noone, K.J., Heintzenberg, J., Berner, A., Solly, I., Kruisz, C., Reischl, G., Fuzzi, S., Facchini, M.C., Hansson, H-C., Wiedensohler, A., and Svenningsson, I.B. 1992. Phase partitioning for different aerosol species in fog. Tellus 44B, 545-555.

  30. Noone, K. J., Ogren, J. A., Hallberg, A., Heintzenberg, J., Ström, J., Hansson, H.-C., Svenningsson, I. B., Wiedensohler, A., Fuzzi, S., Facchini, M. C., Arends, B. G. and Berner, A. 1992. Changes in aerosol size- and phase distributions due to physical and chemical processes in fog. Tellus 44B, 489-504.

  31. Noone, K. J., Ogren, J. A., Hallberg, A., Hansson, H.-C., Wiedensohler, A. and Swietlicki, E. 1992. A statistical examination of the chemical speciation between interstitial and scavenged aerosol. Tellus 44B, 581-592.

  32. Ogren, J. A., Noone, K. J. Hallberg, A., Heintzenberg, J., Schell, D., Berner, A., Solly, I., Kruisz, C., Reischl, G., Arends, B. G. and Wobrock, W. 1992. Measurements of the size dependence of the concentration of non-volatile material in fog droplets. Tellus 44B, 570-580.

  33. Facchini, M. C., Fuzzi, S., Kessel, M., Wobrock, W., Jaeschke, W., Arends, B. G., Möls, J. J., Berner, A., Solly, I., Kruisz, C., Reischl, G., Pahl, S., Hallberg, A., Ogren, J. A., Fierlinger-Oberlinninger, H., Marzorati, A. and Schell, D. 1992. The chemistry of sulfur and nitrogen species in a fog system: A multiphase approach. Tellus 44B, 505-521.

  34. Fuzzi, S., Facchini, M. C., Orsi, G., Lind, J. A., Wobrock, W., Kellel, M., Maser, R., Jaeschke, W., Enderle, K. H., Arends, B. G., Berner, A., Solly, I., Kruisz, C., Reischl, G., Pahl, S., Kaminski, U., Winkler, P., Ogren, J. A., Noone, K. J., Hallberg, A., Fierlinger-Oberlinninger, H., Puxbaum, H., Marzorati, A., Hansson, H.-C., Wiedensohler, A., Svenningsson, I. B., Martinsson, B. G., Schell, D. and Georgii, H. W. 1992. The Po valley fog experiment 1989: An overview. Tellus 44B, 448-468.

  35. Martinsson, B. G., Swietlicki, E., Hansson, H.-C., Wiedensohler, A., Noone, K. J., Ogren, J. A. and Hallberg, A. 1992. Elemental composition of cloud interstitial particle size fractions and hydrophobic fractions compared with cloud droplet residuals. Tellus 44B, 593-603.

  36. Svenningsson, I. B., Hansson, H.-C., Wiedensohler, A., Ogren, J. A., Noone, K. J. and Hallberg, A. 1992. Hygroscopic growth of aerosol particles in the Po Valley. Tellus 44B, 556-569.

  37. Noone, K. B., Noone, K. J., Heintzenberg, J., Ström, J., and Ogren, J. A. 1993. In-situ observations of cirrus cloud microphysical properties using the counterflow virtual impactor. J. Atmos. Oceanic. Tech. 10, 294-303.

  38. Ström, J., Heintzenberg, J., Noone, K.J., Noone, K.B., Ogren, J.A., Albers, F. and Quante, M. 1994. Small crystals in cirriform clouds: A case study of residue size distribution, cloud water content and related cloud properties. J. Atmos. Res. 32, 125-141.

  39. Penner, J.E., Charlson, R.J., Hales, J.M., Laulainen, N., Leifer, R., Novakov, T., Ogren, J., Radke, L.F., Schwartz, S.E. and Travis, L. 1994. Quantifying and minimizing uncertainty of climate forcing by anthropogenic aerosols. Bull. Amer. Meteor. Soc. 75, 375-400.

  40. Wobrock, W., Schell, D., Maser, R., Jaeschke, W., Georgii, H.W., Wieprecht, W., Arends, B.G., Möls, H.J., Kos, G.P.A., Fuzzi, S., Facchini, M.C., Orsi, G., Berner, A., Solly, I., Kruisz, C., Svenningsson, I.B., Wiedensohler, A., Hansson, H.-C., Ogren, J.A., Noone, K.J., Hallberg, A., Pahl, S., Schneider, T., Winkler, P., Winiwarter, W., Colvile, R.N., Choularton, T.W., Flossmann, A.I., and Borrmann, S. 1994. The Kleiner Feldberg cloud experiment 1990: An overview, J. Atmos. Chem. 19, 3-35.

  41. Arends, B.G., Kos, G.P.A., Maser, R., Schell, D., Wobrock, W., Winkler, P., Ogren, J.A., Noone, K.J., Hallberg, A., Svenningsson, I.B., Wiedensohler, A., Hansson, H.-C., Berner, A., Solly, I., and Kruisz, C. 1994. Microphysics of clouds at Kleiner Feldberg. J. Atmos. Chem. 19, 59-85.

  42. Hallberg, A., Noone, K.J., Ogren, J.A., Svenningsson, I.B., Flossmann, A., Wiedensohler, A., Hansson, H.-C., Heintzenberg, J., Anderson, T.L., Arends, B. and Maser, R. 1994. Phase partitioning of aerosol particles in clouds at Kleiner Feldberg. J. Atmos. Chem. 19, 107-127.

  43. Svenningsson, B., Hansson, H.-C., Wiedensohler, A., Noone, K., Ogren, J., Hallberg, A., and Colville, R. 1994. Hygroscopic growth of aerosol particles and its influence on nucleation scavenging in cloud: Experimental results from Kleiner Feldberg. J. Atmos. Chem. 19, 129-152.

  44. Hallberg, A., Ogren, J.A., Noone, K.J., Okada, K., Heintzenberg, J., and Svenningsson, I.B. 1994. The influence of aerosol particle composition on cloud droplet formation, J. Atmos. Chem. 19, 153-171.

  45. Colvile, R.N., Sander, R., Choularton, T.W., Bower, K.N., Inglis, D.W.F., Wobrock, W., Maser, R., Schell, D., Svenningsson, I.B., Wiedensohler, A., Hansson, H.-C., Hallberg, A., Ogren, J.A., Noone, K.J., Facchini, M.C., Fuzzi, S., Orsi, G., Arends, B.G., Winiwarter, W., Schneider, T., and Berner, A. 1994. Computer modelling of clouds at Kleiner Feldberg, J. Atmos. Chem. 19, 189-229.

  46. Penner, J.E., Charlson, R.J., Hales, J.M., Laulainen, N.S., Leifer, R., Novakov, T., Ogren, J., Radke, L.F., Schwartz, S.E., and Travis, L. 1994. Quantifying and minimizing uncertainty of climate forcing by anthropogenic aerosols - Comment - Reply., Bull. Amer. Meteor. Soc. 75, 2315-2316.

  47. Ogren, J.A. 1995. A systematic approach to in situ observations of aerosol properties. In Aerosol Forcing of Climate, edited by R.J. Charlson and J. Heintzenberg, John Wiley & Sons, Ltd., 215-226.

  48. Schwartz, S.E., Arnold, F., Blanchet, J.-P., Durkee, P.A., Hofmann, D.J., Hoppel, W.A., King, M.D., Lacis, A.A., Nakajima, T., Ogren, J.A., Toon, O.B., and Wendisch, M. 1995. Group Report: Connections between aerosol properties and forcing of climate. In Aerosol Forcing of Climate, edited by R.J. Charlson and J. Heintzenberg, John Wiley & Sons, Ltd., 251-280.

  49. Clarke, A., Ogren, J., and Charlson, R. 1996. Comment on "Measurement of aerosol absorption coefficient from teflon filters uing the integrating plate and integrating sphere techiques" by D. Campbell, S. Copeland, and T. Cahill. Aerosol Sci. Tech. 24, 221-224.

  50. Wang, T., Carroll, M.A., Albercook, G.M., Owens, K.R., Duderstadt, K.A., Markevitch, A.N., Parrish, D.D., Holloway, J.S., Fehsenfeld, F.C., Forbes, G., and Ogren, J.A. 1996. Ground-based measurements of NOx and total reactive oxidized nitrogen (NOy) at Sable Island, Nova Scotia during the NARE 1993 summer intensive. J. Geophys. Res. 101, 28,991-29,004.

  51. Anderson, T.L., Covert, D.S., Marshall, S.F., Laucks, M.L., Charlson, R.J., Waggoner, A.P., Ogren, J.A., Caldow, R., Holm, R.L., Quant, F.R., Sem, G.J., Wiedensohler, A., Ahlquist, N.A., and Bates, T.S. 1996. Performance characteristics of a high-sensitivity, three-wavelength, total scatter/backscatter nephelometer. J. Atmos. Oceanic Tech. 13, 967-986.

  52. Gonzalez Jorge, H. and Ogren, J.A. 1996. Sensitivity of retrieved aerosol properties to assumptions in the inversion of spectral optical depths. J. Atmos. Sci. 53, 3669-3683.

  53. Bergin, M.H., Ogren, J.A., Schwartz, S.E., and McInnes, L.M. 1997. Evaporation of ammonium nitrate aerosol in a heated nephelometer: Implications for field measurements. Environ. Sci. Tech. 31, 2878-2883.

  54. Hallberg, A., Noone, K.J. and Ogren, J.A. 1998. Aerosol particles and clouds: Which particles form cloud droplets? Tellus 50B, 59-75.

  55. McInnes, L.M., Bergin, M.H., Ogren, J.A., and Schwartz, S.E. 1998. Apportionment of light scattering and hygroscopic growth to aerosol composition. Geophys. Res. Lett. 25, 513-516.

  56. Anderson, T.L and Ogren, J.A. 1998. Determining aerosol radiative properties using the TSI 3563 nephelometer. Aerosol Sci. Tech. 29, 57-69.

  57. Meszaros, E., Molnar, A., and Ogren, J. 1998. Scattering and absorption coefficients vs. chemical composition of fine atmospheric aerosol particles under regional conditions in Hungary, J. Aerosol Sci. 29, 1171-1178.

  58. Carrico, C.M., Rood, M.J., and Ogren, J.A. 1998. Aerosol light scattering properties at Cape Grim, Tasmania, during the First Aerosol Characterization Experiment (ACE 1). J. Geophys. Res. 103, 16,565-16,574.

  59. Sheridan, P.J., and Ogren, J.A. 1999. Observations of the vertical and regional variability of aerosol optical properties over central and eastern North America. J. Geophys. Res. 104, 16,793-16,805.

  60. Anderson, T.L., Covert, D.S., Wheeler, J.D., Harris, J.M., Perry, K.D., Trost, B.E., Jaffe, D.J., and Ogren, J.A. 1999. Aerosol backscatter fraction and single-scattering albedo: Measured values and uncertainties at a coastal station in the Pacific Northwest. J. Geophys. Res., 104, 26,793-26,807.

  61. Koloutsou-Vakakis, S., Carrico, C.M., Li, Z., Rood, M.J., and Ogren, J.A. 1999. Characterisation of aerosol properties and radiative forcing at an anthropogenically perturbed continental site." Physics and Chemistry of the Earth Part C-Solar-Terrestial and Planetary Science 24, 541-546.

  62. Bergin, M.H., Schwartz, S.E., Halthore, R.N., Ogren, J.A., and Hlavka, D.L. 2000. Comparison of aerosol optical depth inferred from surface measurements with that determined by sun photometry for cloud-free conditions at a continental U.S. site. J. Geophys. Res., 105, 6807-6816.

  63. Quinn, P.K., Bates, T.S., Miller, T.L., Coffman, D.J., Johnson, J.E., Harris, J.M., Ogren, J.A., Forbes, G., Anderson, T.L., Covert, D.S., and Rood, M.J. 2000. Surface submicron aerosol chemical composition: What fraction is not sulfate? J. Geophys. Res., 105, 6785-6805.

  64. Carrico, C. M., Rood, M. J., Ogren, J. A., Neusüß, C., Wiedenhohler, A., and Heintzenberg, J., 2000. Aerosol optical properties at Sagres, Portugal during ACE-2. Tellus, 52B, 694-715.

  65. Peppler, R.A., Bahrmann, C.P., Barnard, J.C., Campbell, J.R., Cheng, M.-D., Ferrare, R.A., Halthore, R.N., Heilman, L.A., Hlavka, D.L., Laulainen, N.S., Lin, C.-J., Ogren, J.A., Poellot, M.R., Remer, L.A., Sassen, K., Spinhirne, J.D., Splitt, M.E., and Durner, D.D. 2000. ARM Southern Great Plains site observations of the smoke pall associated with the 1998 Central American fires. Bull. Amer. Meteor. Soc., 81, 2563-2591.

  66. Baumgardner, D., Raga, G. B., Kok, G., Ogren, J., Rosas, I., Baoez, A. and Novakov, T. 2000. On the evolution of aerosol properties at a mountain site above Mexico City. J. Geophys. Res., 105, 22,243-22,253.

  67. Koloutsou-Vakakis, S., Carrico, C.M., Rood, M.J., Li, Z., Shrestha, R., Ogren, J.A., Chow, J.C., and Watson, J.G. 2001. Aerosol properties at a mid-latitude northern hemisphere continental site. J. Geophys. Res., 106, 3019-3032.

  68. Sheridan, P.J., Delene, D.J., and Ogren, J.A. 2001. Four years of continuous surface aerosol measurements from the Department of Energy's Atmospheric Radiation Measurement Program Southern Great Plains Cloud and Radiation Testbed site. J. Geophys. Res., 106, 20,735-20,747.

  69. Ramanathan, V., and 37 co-authors, including J.A. Ogren. 2001. The Indian Ocean experiment: An integrated assessment of the climate forcing and effects of the great Indo-Asian haze. J. Geophys. Res., 106, 28,371-28,398.

  70. Delene, D.J. and Ogren, J.A. 2002. Variability of aerosol optical properties at four North American surface monitoring sites. J. Atmos. Sci., 59, 1135-1150.

  71. Clarke, A. D., Howell, S., Quinn, P.K., Bates, T.S., Ogren, J.A., Andrews, E., Jefferson, A., Massling, A., Mayol-Bracero, O., Maring, H., Savoie, D., and Cass, G. 2002. INDOEX aerosol: A comparison and summary of chemical, microphysical, and optical properties observed from land, ship, and aircraft. J. Geophys. Res., 107, 8033, doi:10.1029/2001JD000572.

  72. Eldering, A., Ogren, J.A., Chowdhury, Z., Hughes, L.S., and Cass, G.R. 2002. Aerosol optical properties during INDOEX based on measured aerosol particle size and composition. J. Geophys. Res., 107, 8001, doi:10.1029/2001JD001572.

  73. Masonis, S. J., Franke, K., Ansmann, A., Muller, D., Althausen, D., Ogren, J.A., Jefferson, A., and Sheridan, P.J. 2002. An intercomparison of aerosol light extinction and 180 degrees backscatter as derived using in situ instruments and Raman lidar during the INDOEX field campaign." J. Geophys. Res., 107, 8014, doi:10.1029/2000JD000035.

  74. Mayol-Bracero, O. L., Gabriel, R., Andreae, M.O., Kirchstetter, T.W., Novakov, T., Ogren, J., Sheridan, P. and Streets, D.G. 2002. Carbonaceous aerosols over the Indian Ocean during the Indian Ocean Experiment (INDOEX): Chemical characterization, optical properties, and probable sources. J. Geophys. Res., 107, 8030, doi:10.1029/2000JD000039.

  75. Quinn, P. K., Miller, T.L., Bates, T.S., Ogren, J.A., Andrews, E. and Shaw, G.E. 2002. A 3-year record of simultaneously measured aerosol chemical and optical properties at Barrow, Alaska. J. Geophys. Res., 107, 4130, doi:10.1029/2001JD001248.

  76. Sheridan, P. J., Jefferson, A. and Ogren, J.A. 2002. Spatial variability of submicrometer aerosol radiative properties over the Indian Ocean during INDOEX. J. Geophys. Res., 107, 8011, doi:10.1029/2000JD000166.

  77. Anderson, T.L., Charlson, R.J., Winker, D.M., Ogren, J.A., and Holmen, K. 2003. Mesoscale variations of tropospheric aerosols. J. Atmos. Sci., 60, 119-136.

  78. Arnott, W. P., Moosmuller, H., Sheridan, P.J., Ogren, J.A., Raspet, R., Slaton, W.V., Hand, J.L., Kreidenweis, S.M., and Collett, J.L. 2003. Photoacoustic and filter-based ambient aerosol light absorption measurements: Instrument comparisons and the role of relative humidity. J. Geophys. Res., 108, 4034, doi:10.1029/2002JD002165.

  79. Mishchenko, M. I., Geogdzhayev, I.V., Liu, L., Ogren, J.A., Lacis, A.A., Rossow, W.B., Hovenier, J.W., Volten, H., and Munoz, O. 2003. Aerosol retrievals from AVHRR radiances: effects of particle nonsphericity and absorption and an updated long-term global climatology of aerosol properties. J. Quant. Spectroscopy & Radiative Transfer 79, 953-972.

  80. Andrews, E., Sheridan, P.J., Ogren, J.A., Ferrare, R. 2004. In situ aerosol profiles over the Southern Great Plains cloud and radiation test bed site: 1. Aerosol optical properties. J. Geophys. Res., 109, D06208, doi:10.1029/2003JD004025.

  81. Delle Monache, L., Perry, K.D., Cederwall, R.T., and Ogren, J.A. 2004. In situ aerosol profiles over the Southern Great Plains cloud and radiation test bed site: 2. Effects of mixing height on aerosol properties. J. Geophys. Res., 109, D06209, doi:10.1029/2003JD004024.

  82. Halthore, R.N., Miller, M.A., Ogren, J.A., Sheridan, P.J., Slater, D.W., and Stoffel, T. 2004. Further developments in closure experiments for surface diffuse irradiance under cloud-free skies at a continental site. Geophys. Res. Lett., 31, L07111, doi:10.1029/2003GL019102.

  83. Kim, S.-W., Yoon, S.-C., Jefferson, A., Won, J.-G., Dutton, E. G., Ogren, J. A , and Anderson, T.L. 2004. Observation of enhanced water vapor in Asian dust layer and its effect on atmospheric radiative heating rates, Geophys. Res. Lett., 31, L18113, doi:10.1029/2004GL020024.

  84. Diner, D. J., T. P. Ackerman, T. L. Anderson, J. Bosenberg, A. J. Braverman, R. J. Charlson, W. D. Collins, R. Davies, B. N. Holben, C. A. Hostetler, R. A. Kahn, J. V. Martonchik, R. T. Menzies, M. A. Miller, J. A. Ogren, J. E. Penner, P. J. Rasch, S. E. Schwartz, J. H. Seinfeld, G. L. Stephens, O. Torres, L. D. Travis, B. A. Wielicki, and B. Yu, 2004: PARAGON - An integrated approach for characterizing aerosol climate impacts and environmental interactions. Bull. Amer. Meteor. Soc., 85, 1491-1501.

  85. Seinfeld, J. H., R. A. Kahn, T. L. Anderson, R. J. Charlson, R. Davies, D. J. Diner, J. A. Ogren, S. E. Schwartz, and B. A. Wielicki, 2004: Scientific objectives, measurement needs, and challenges motivating the PARAGON aerosol initiative. Bull. Amer. Meteor. Soc., 85, 1503-1509.

  86. Kahn, R. A., J. A. Ogren, T. P. Ackerman, J. Bosenberg, R. J. Charlson, D. J. Diner, B. N. Holben, R. T. Menzies, M. A. Miller, and J. H. Seinfeld, 2004: Aerosol data sources and their roles within PARAGON. Bull. Amer. Meteor. Soc., 85, 1511-1522.

  87. Diner, D. J., R. T. Menzies, R. A. Kahn, T. L. Anderson, J. Bosenberg, R. J. Charlson, B. N. Holben, C. A. Hostetler, M. A. Miller, J. A. Ogren, G. L. Stephens, O. Torres, B. A. Wielicki, P. J. Rasch, L. D. Travis, and W. D. Collins, 2004: Using the PARAGON framework to establish an accurate, consistent, and cohesive long-term aerosol record. Bull. Amer. Meteor. Soc., 85, 1535-1548.

  88. Sheridan, P. J., W. P. Arnott, J. A. Ogren, E. Andrews, D. B. Atkinson, D. S. Covert, H. Moosmuller, A. Petzold, B. Schmid, A. W. Strawa, R. Varma, and A. Virkkula, 2005: The Reno Aerosol Optics Study: An evaluation of aerosol absorption measurement methods. Aerosol Sci. Tech., 39, 1-16.

  89. Arnott, W. P., K. Hamasha, H. Moosmuller, P. J. Sheridan, and J. A. Ogren, 2005: Towards aerosol light-absorption measurements with a 7-wavelength Aethalometer: Evaluation with a photoacoustic instrument and 3-wavelength nephelometer. Aerosol Sci. Tech., 39, 17-29.

  90. Petzold, A., H. Schloesser, P. J. Sheridan, W. P. Arnott, J. A. Ogren, and A. Virkkula, 2005: Evaluation of multiangle absorption photometry for measuring aerosol light absorption. Aerosol Sci. Tech., 39, 40-51.

  91. Virkkula, A., N. C. Ahlquist, D. S. Covert, P. J. Sheridan, W. P. Arnott, and J. A. Ogren, 2005: A three-wavelength optical extinction cell for measuring aerosol light extinction and its application to determining light absorption coefficient. Aerosol Sci. Tech., 39, 52-67.

  92. Kim, S.-W., Yoon, S.-C., Jefferson, A., Ogren, J.A., Dutton, E.G., Won, J.-G., Ghim, Y. S., Lee, B.-I., and Han, J.-S. 2005. Aerosol Optical, Chemical and Physical Properties at Gosan, Korea during Asian Dust and Pollution Episodes in 2001, Atmos. Environ. 39(1), 39-50.

  93. Kim, S.-W., A. Jefferson, S.-C. Yoon, E. Dutton, J. Ogren, F. Valero, J. Kim, B. Holben, 2005. Comparisons of Aerosol Optical Depth and Surface Shortwave Irradiance and Their Effect on the Aerosol Surface Radiative Forcing Estimation, J. Geophys.Res. 110, doi:10.1029/2004JD004989.

  94. Anderson, T.L., Charlson, R.J., Bellouin, N., Boucher, O., Chin, M., Christopher, S.A., Haywood, J., Kaufman, Y.J., Kinne, S., Ogren, J.A., Remer, L.A., Takemura, T., Tanré, D., Torres, O., Trepte, C.R., Wielicki, B.A., Winker, D.M., and Yu, H. 2005. An "A-Train" Strategy for Quantifying Direct Climate Forcing by Anthropogenic Aerosols, Bull. Amer. Meteor. Soc., DOI:10.1175/BAMS-86-12-1795, 1795-1809.

  95. Andrews, E., P.J. Sheridan, M. Fiebig, A. McComiskey, J.A. Ogren, P. Arnott, D. Covert, R. Elleman, R. Gasparini, D. Collins, H. Jonsson, B. Schmid, and J. Wang, Comparison of methods for deriving aerosol asymmetry parameter, J. Geophys. Res., 111, D05S04, doi:10.1029/2004JD005734, 2006.

  96. Ferrare, R., D. Turner, M. Clayton, B. Schmid, J. Redemann, D. Covert, R. Elleman, J. Ogren, E. Andrews, J.E.M. Goldsmith, H. Johsson, Evaluation of daytime measurements of aerosols and water vapor made by an operational Raman lidar over the Southern Great Plains. J. Geophys. Res., 111, D05S08, doi:10.1029/2005JD005836, 2006.

  97. Ricchiazzi, P., C. Gautier, J. Ogren, and B. Schmid, A comparison of aerosol optical properties obtained from in-situ measurements and retrieved from Sun and sky radiance observations during the May 2003 ARM Aerosol Intensive Observation Period. J. Geophys. Res., 111, D05S06, doi:10.1029/2005JD005863, 2006.

  98. Ghan, S.J., T.A. Rissman, R. Elleman, R.A. Ferrare, D. Turner, C. Flynn, J. Wang, J. Ogren, J. Hudson, H.H. Jonsson, T. VanReken, R.C. Flagan, and J.H. Seinfeld, Use of in situ cloud condensation nuclei, extinction, and aerosol size distribution measurements to test a method for retrieving cloud condensation nuclei profiles from surface measurements. J. Geophys. Res., 111, D05S10, doi:10.1029/2004JD005752, 2006.

  99. Pahlow, M., G. Feingold, A. Jefferson, E. Andrews, J.A. Ogren, J. Wang, Y.-N. Lee, R.A. Ferrare, and D.D. Turner, Comparison between lidar and nephelometer measurements of aerosol hygroscopicity at the Southern Great Plains Atmospheric Radiation Measurement site. J. Geophys. Res., 111, D05S15, doi:10.1029/2004JD005646, 2006.

  100. Hallar, A.G., A.W. Strawa, B. Schmid, E. Andrews, J. Ogren, P. Sheridan, R. Ferrare, D. Covert, R. Elleman, H. Jonsson, K. Bokarius, A. Luu, ARM Aerosol Intensive Operating Period: Comparison of aerosol scattering during coordinated flights, J. Geophys. Res., 111, D05S09, doi:10.1029/2005JD006250, 2006.

  101. Gasparini, R., D.R. Collins, E. Andrews, P.J. Sheridan, J.A. Ogren, and J.G. Hudson, Coupling aerosol size distributions and size-resolved hygroscopicity to predict humidity-dependent optical properties and CCN spectra, J. Geophys. Res., 111, D05S13, doi:10.1029/2005JD006092, 2006.

  102. Ferrare R., G. Feingold, S. Ghan, J. Ogren, B. Schmid, S. E. Schwartz, P. Sheridan, Preface to special section: Atmospheric Radiation Measurement Program May 2003 Intensive Operations Period examining aerosol properties and radiative influences, J. Geophys. Res., 111, D05S01, doi:10.1029/2005JD006908, 2006.

  103. Bates,T.S., T.L. Anderson, T. Baynard, T. Bond, O. Boucher, G. Carmichael, A. Clarke, K. Duckenfield, C. Erlick, L. Horowitz, S. Howell, A. Kumar, H. Maring, A. McComiskey, A. Middlebrook, K. Noone, C. O’Dowd, J. Ogren, J. Penner, P.K. Quinn, A.R. Ravishankara, D.L. Savoie, S.E. Schwartz, D. Schwarzkopf, Y. Shinozuka, Y. Tang, R.J. Weber, and Yonghua Wu, Aerosol direct radiative effects over the northwest Atlantic, northwest Pacific, and North Indian Oceans: Estimates based on in-situ chemical and optical measurements and chemical transport modeling, Atmos. Chem. Phys., 6, 1657-1732, 2006.

  104. Sharma, S., E. Andrews, L.A. Barrie, J.A. Ogren, and D. Lavoué. Variations and sources of the equivalent black carbon in the high Arctic revealed by long-term observations at Alert and Barrow: 1989-2003. J. Geophys. Res., 111, D14208, doi:10.1029/2005JD006581R, 2006.

  105. Heintzenberg, J., Wiedensohler, A., Tuch, T.M., Covert, D.S., Sheridan, P., Ogren, J.A., Gras, J., Nessler, R., Kleefeld, C., Kalivitis, N., Aaltonen, V., Wilhelm, R.-T., Havlicek, M. Intercomparisons and aerosol calibrations of 12 commercial integrating nephelometers of 3 manufacturers, J. Atmos. Oceanic Tech., 902-914, 2006.

  106. Fiebig, M., and J.A. Ogren, Retrieval and climatology of the aerosol asymmetry parameter in the NOAA aerosol monitoring network, J. Geophys. Res., 111, D21204, doi:10.1029/2005JD006545, 2006.

  107. Stohl, A., E. Andrews, J. F. Burkhart, C. Forster, A. Herber, S. W. Hoch, D. Kowal, C. Lunder, T. Mefford, J. A. Ogren, S. Sharma, N. Spichtinger, K. Stebel, R. Stone, J. Ström, K. Tørseth, C. Wehrli, and K. E. Yttri, Pan-Arctic enhancements of light absorbing aerosol concentrations due to North American boreal forest fires during summer 2004, J. Geophys. Res., 111, D22214, doi:10.1029/2006JD007216, 2006.

  108. Wang, J., D. Collins, D. Covert, R. Elleman, R. A. Ferrare, R. Gasparini, H. Jonsson, J. Ogren, P. Sheridan, and S.-C. Tsay, Temporal variation of aerosol properties at a rural continental site and study of aerosol evolution through growth law analysis. J. Geophys. Res., 111, D18203, doi:10.1029/2005JD006704, 2006.

  109. Ervens, B., M. Cubison, E. Andrews, G. Feingold, J. A. Ogren, J. L. Jimenez, P. DeCarlo, and A. Nenes, Prediction of cloud condensation nucleus number concentration using measurements of aerosol size distributions and composition and light scattering enhancement due to humidity, J. Geophys. Res., 112, D10S32, doi:10.1029/2006JD007426, 2007.

  110. McComiskey, A., S. E. Schwartz, B. Schmid, H. Guan, E. R. Lewis, P. Ricchiazzi, and J. A. Ogren, Direct aerosol forcing: Calculation from observables and sensitivities to inputs, J. Geophys. Res., 113, D09202, doi:10.1029/2007JD009170, 2008.

  111. McComiskey, A., G. Feingold, A.S. Frisch, D.D. Turner, M.A. Miller, J.C. Chiu, Q. Min, and J.A. Ogren. 2009. An assessment of aerosol-cloud interactions in marine stratus clouds based on surface remote sensing. J. Geophys Res., 114, D09203, doi:10.1029/2008JD011006.

  112. Berg, L.K., C.M. Berkowitz, J.A. Ogren, C.A. Hostetler, R.A. Ferrare, M. Dubey, E. Andrews, R.L. Coulter, J.W.  Hair, J.M. Hubbe, Y.-N. Lee, C. Mazzoleni, J. Olfert, and S.R. Springston. Overview of the Cumulus Humilis Aerosol Processing Study (CHAPS). Bull. Amer. Meteor. Soc., 90, 1653-1667, DOI:10.1175/2009BAMS2760.1, 2009.

  113. Schmid, B., C.J. Flynn, R.K. Newsom, D.D. Turner, R.A. Ferrare, M.F. Clayton, E. Andrews, J.A. Ogren, R.R. Johnson, P.B. Russell, W.J. Gore, R. Dominguez. Validation of aerosol extinction and water vapor profiles from routine ARM Climate Research Facility measurements, J. Geophys Res., 114, D22207, doi:10.1029/2009JD012682, 2009.

  114. Spracklen, D. V., Carslaw, K. S., Merikanto, J., Mann, G. W., Reddington, C. L., Pickering, S., Ogren, J. A., Andrews, E., Baltensperger, U., Weingartner, E., Boy, M., Kulmala, M., Laakso, L., Lihavainen, H., Kivekäs, N., Komppula, M., Mihalopoulos, N., Kouvarakis, G., Jennings, S. G., O'Dowd, C., Birmili, W., Wiedensohler, A., Weller, R., Gras, J., Laj, P., Sellegri, K., Bonn, B., Krejci, R., Laaksonen, A., Hamed, A., Minikin, A., Harrison, R. M., Talbot, R., and Sun, J., Explaining global surface aerosol number concentrations in terms of primary emissions and particle formation, Atmos. Chem. Phys., 10, 4775-4793, doi:10.5194/acp-10-4775-2010, 2010.

  115. Ervens, B., Cubison, M. J., Andrews, E., Feingold, G., Ogren, J. A., Jimenez, J. L., Quinn, P. K., Bates, T. S., Wang, J., Zhang, Q., Coe, H., Flynn, M., and Allan, J. D., CCN predictions using simplified assumptions of organic aerosol composition and mixing state: a synthesis from six different locations, Atmos. Chem. Phys., 10, 4795-4807, doi:10.5194/acp-10-4795-2010, 2010.

  116. Fierz-Schmidhauser, R., Zieger, P., Wehrle, G., Jefferson, A., Ogren, J. A., Baltensperger, U., and Weingartner, E. Measurement of relative humidity dependent light scattering of aerosols. Atmos. Meas. Tech., 3, 39-50, 2010.

  117. Schwartz, S.E., R. J. Charlson, R.A. Kahn, J.A. Ogren, and H. Rodhe. Why Hasn’t Earth Warmed as Much as Expected? J. Clim., 23, 2453-2464, doi: 10.1175/2009JCLI3461.1, 2010.

  118. Ogren, J.A. Comment on "Calibration and Intercomparison of Filter-Based Measurements of Visible Light Absorption by Aerosols". Aerosol Sci. Tech., 44, 589-591, doi:10.1080/02786826.2010.482111, 2010.

  119. Müller, T., Henzing, J. S., de Leeuw, G., Wiedensohler, A., Alastuey, A., Angelov, H., Bizjak, M., Collaud Coen, M., Engström, J. E., Gruening, C., Hillamo, R., Hoffer, A., Imre, K., Ivanow, P., Jennings, G., Sun, J. Y., Kalivitis, N., Karlsson, H., Komppula, M., Laj, P., Li, S.-M., Lunder, C., Marinoni, A., Martins dos Santos, S., Moerman, M., Nowak, A., Ogren, J. A., Petzold, A., Pichon, J. M., Rodriquez, S., Sharma, S., Sheridan, P. J., Teinilä, K., Tuch, T., Viana, M., Virkkula, A., Weingartner, E., Wilhelm, R., and Wang, Y. Q.: Characterization and intercomparison of aerosol absorption photometers: result of two intercomparison workshops, Atmos. Meas. Tech., 4, 245-268, doi:10.5194/amt-4-245-2011, 2011.

  120. McKendry, I., Strawbridge, K., Karumudi, M. L., O'Neill, N., Macdonald, A. M., Leaitch, R., Jaffe, D., Cottle, P., Sharma, S., Sheridan, P., and Ogren, J.: Californian forest fire plumes over Southwestern British Columbia: lidar, sunphotometry, and mountaintop chemistry observations, Atmos. Chem. Phys., 11, 465-477, doi:10.5194/acp-11-465-2011, 2011.

  121. Liu, D., Allan, J., Corris, B., Flynn, M., Andrews, E., Ogren, J., Beswick, K., Bower, K., Burgess, R., Choularton, T., Dorsey, J., Morgan, W., Williams, P. I., and Coe, H.: Carbonaceous aerosols contributed by traffic and solid fuel burning at a polluted rural site in Northwestern England, Atmos. Chem. Phys., 11, 1603-1619, doi:10.5194/acp-11-1603-2011, 2011.

  122. Brock, C. A., Cozic, J., Bahreini, R., Froyd, K. D., Middlebrook, A. M., McComiskey, A., Brioude, J., Cooper, O. R., Stohl, A., Aikin, K. C., de Gouw, J. A., Fahey, D. W., Ferrare, R. A., Gao, R.-S., Gore, W., Holloway, J. S., Hübler, G., Jefferson, A., Lack, D. A., Lance, S., Moore, R. H., Murphy, D. M., Nenes, A., Novelli, P. C., Nowak, J. B., Ogren, J. A., Peischl, J., Pierce, R. B., Pilewskie, P., Quinn, P. K., Ryerson, T. B., Schmidt, K. S., Schwarz, J. P., Sodemann, H., Spackman, J. R., Stark, H., Thomson, D. S., Thornberry, T., Veres, P., Watts, L. A., Warneke, C., and Wollny, A. G.: Characteristics, sources, and transport of aerosols measured in spring 2008 during the aerosol, radiation, and cloud processes affecting Arctic Climate (ARCPAC) Project, Atmos. Chem. Phys., 11, 2423-2453, doi:10.5194/acp-11-2423-2011, 2011.

  123. Berkowitz, C., Berg, L.K., Yu, X-Y, Alexander, M.L, Laskin, A., Xie, Y., Jobson, B.T., Andrews, E., Ogren, J., The Influence Of Fog And Airmass History On Aerosol Optical, Physical And Chemical Properties At Pt. Reyes National Seashore. Atmos. Environ., 45, 2559-2568, doi:10.1016/j.atmosenv.2011.02.016, 2011.

  124. Skeie, R.B., T. Berntsen, G. Myhre, C. A. Pedersen, J. Ström, S. Gerland, and J. A. Ogren, Black carbon in the atmosphere and snow, from pre-industrial times until Present, Atmos. Chem. Phys., 11, 6809-6836, doi:10.5194/acp-11-6809-2011, 2011.

  125. Andrews, E., Ogren, J.A., Bonasoni, P., Marinoni, A., Cuevas, E., Rodríguez, S., Sun, J.Y., Jaffe, D.A., Fischer, E.V., Baltensperger, U., Weingartner, E., Collaud Coen, M., Sharma, S., Macdonald, A.M., Leaitch, W.R.,, Lin, N.-H., Laj, P., Arsov, T., Kalapov, I., Jefferson, A., and Sheridan, P., Climatology of Aerosol Radiative Properties in the Free Troposphere, Atmos. Res., 102, 365-393, doi:10.1016/j.atmosres.2011.08.017, 2011.

  126. Andrews, E., Sheridan, P.J., and J. A. Ogren, J.A., Seasonal differences in the vertical profiles of aerosol optical properties over rural Oklahoma, Atmos. Chem. Phys., 11, 10661-10676, doi:10.5194/acp-11-10661-2011, 2011.

  127. McFarquhar, G., Schmid, B., Korolev, A., Ogren, J.A., Russell, P.B., Tomlinson, J., Turner, D.D., Wiscombe, W., Airborne instrumentation needs for climate and atmospheric research, Bull. Amer. Meteor. Soc., 92, 1193-1196, DOI:10.1175/2011BAMS3180.1, 2011.

  128. Yu, F., Luo, G., Turco, R. P., Ogren, J. A., and Yantosca, R. M., Decreasing particle number concentrations in a warming atmosphere and implications, Atmos. Chem. Phys., 12, 2399-2408, doi:10.5194/acp-12-2399-2012, 2012. 

  129. Esteve, A. R., Ogren, J. A., Sheridan, P. J., Andrews, E., Holben, B. N., and Utrillas, M. P.: Sources of discrepancy between aerosol optical depth obtained from AERONET and in-situ aircraft profiles, Atmos. Chem. Phys., 12, 2987-3003, doi:10.5194/acp-12-2987-2012, 2012.

  130. Schwartz, S.E., R. J. Charlson, R.A. Kahn, J.A. Ogren, and H. Rodhe. Reply to "Comments on ‘Why Hasn’t Earth Warmed as Much as Expected?’", J. Clim., 25, 2200-2204, doi: 10.1175/2011JCLI4161.1, 2012.

  131. Wiedensohler, A., Birmili, W., Nowak, A., Sonntag, A., Weinhold, K., Merkel, M., Wehner, B., Tuch, T., Pfeifer, S., Fiebig, M., Fjäraa, A. M., Asmi, E., Sellegri, K., Depuy, R., Venzac, H., Villani, P., Laj, P., Aalto, P., Ogren, J. A., Swietlicki, E., Williams, P., Roldin, P., Quincey, P., Hüglin, C., Fierz-Schmidhauser, R., Gysel, M., Weingartner, E., Riccobono, F., Santos, S., Grüning, C., Faloon, K., Beddows, D., Harrison, R., Monahan, C., Jennings, S. G., O'Dowd, C. D., Marinoni, A., Horn, H.-G., Keck, L., Jiang, J., Scheckman, J., McMurry, P. H., Deng, Z., Zhao, C. S., Moerman, M., Henzing, B., de Leeuw, G., Löschau, G., and Bastian, S., Mobility particle size spectrometers: harmonization of technical standards and data structure to facilitate high quality long-term observations of atmospheric particle number size distributions, Atmos. Meas. Tech., 5, 657-685, doi:10.5194/amt-5-657-2012, 2012.

  132. Vogelmann, A. W., Greg M. McFarquhar, John A. Ogren, David D. Turner, Jennifer M. Comstock, Graham Feingold,Charles N. Long, Haflidi H. Jonsson, Anthony Bucholtz, Don R. Collins, Glenn S. Diskin, Hermann Gerber, R. Paul Lawson, Roy K. Woods, Elisabeth Andrews, Hee-Jung Yang, J. Christine Chiu, Daniel Hartsock, John M. Hubbe, Chaomei Lo, Alexander Marshak, Justin W. Monroe, Sally A. McFarlane, Beat Schmid, Jason M. Tomlinson, Tami Toto, RACORO Extended-Term, Aircraft Observations of Boundary-Layer Clouds, Bull. Amer. Meteor. Soc., June 2012, http://dx.doi.org/10.1175/BAMS-D-11-00189.1, 2012.

  133. Asmi, A., Collaud Coen, M., Ogren, J. A., Andrews, E., Sheridan, P., Jefferson, A., Weingartner, E., Baltensperger, U., Bukowiecki, N., Lihavainen, H., Kivekäs, N., Asmi, E., Aalto, P. P., Kulmala, M., Wiedensohler, A., Birmili, W., Hamed, A., O'Dowd, C., G Jennings, S., Weller, R., Flentje, H., Fjaeraa, A. M., Fiebig, M., Myhre, C. L., Hallar, A. G., Swietlicki, E., Kristensson, A., and Laj, P.: Aerosol decadal trends – Part 2: In-situ aerosol particle number concentrations at GAW and ACTRIS stations, Atmos. Chem. Phys., 13, 895-916, doi:10.5194/acp-13-895-2013, 2013. 

  134. Collaud Coen, M., Andrews, E., Asmi, A., Baltensperger, U., Bukowiecki, N., Day, D., Fiebig, M., Fjaeraa, A. M., Flentje, H., Hyvärinen, A., Jefferson, A., Jennings, S. G., Kouvarakis, G., Lihavainen, H., Lund Myhre, C., Malm, W. C., Mihapopoulos, N., Molenar, J. V., O'Dowd, C., Ogren, J. A., Schichtel, B. A., Sheridan, P., Virkkula, A., Weingartner, E., Weller, R., and Laj, P.: Aerosol decadal trends – Part 1: In-situ optical measurements at GAW and IMPROVE stations, Atmos. Chem. Phys., 13, 869-894, doi:10.5194/acp-13-869-2013, 2013.

  135. Sheridan P.J., E. Andrews, J. A. Ogren, J. L. Tackett, and D. M. Winker, Vertical profiles of aerosol optical properties over Central Illinois and comparison with surface and satellite measurements. Atmos. Chem. Phys., 12, 11695-11721, doi:10.5194/acp-12-11695-2012, 2012.

  136. Petzold, A., Ogren, J. A., Fiebig, M., Laj, P., Li, S.-M., Baltensperger, U., Holzer-Popp, T., Kinne, S., Pappalardo, G., Sugimoto, N., Wehrli, C., Wiedensohler, A., and Zhang, X.-Y.: Recommendations for reporting "black carbon" measurements, Atmos. Chem. Phys., 13, 8365–8379, doi:10.5194/acp-13-8365-2013, 2013.

  137. Mann, G. W., Carslaw, K. S., Reddington, C. L., Pringle, K. J., Schulz, M., Asmi, A., Spracklen, D. V., Ridley, D. A., Woodhouse, M. T., Lee, L. A., Zhang, K., Ghan, S. J., Easter, R. C., Liu, X., Stier, P., Lee, Y. H., Adams, P. J., Tost, H., Lelieveld, J., Bauer, S. E., Tsigaridis, K., van Noije, T. P. C., Strunk, A., Vignati, E., Bellouin, N., Dalvi, M., Johnson, C. E., Bergman, T., Kokkola, H., von Salzen, K., Yu, F., Luo, G., Petzold, A., Heintzenberg, J., Clarke, A., Ogren, J. A., Gras, J., Baltensperger, U., Kaminski, U., Jennings, S. G., O'Dowd, C. D., Harrison, R. M., Beddows, D. C. S., Kulmala, M., Viisanen, Y., Ulevicius, V., Mihalopoulos, N., Zdimal, V., Fiebig, M., Hansson, H.-C., Swietlicki, E., and Henzig, J. S.: Intercomparison and evaluation of aerosol microphysical properties among AeroCom global models of a range of complexity, Atmos. Chem. Phys. Discuss., 13, 30841-30928, doi:10.5194/acpd-13-30841-2013, 2013.

  138. Müller, T., Virkkula, A., and Ogren, J. A.: Constrained two-stream algorithm for calculating aerosol light absorption coefficient from the Particle Soot Absorption Photometer, Atmos. Meas. Tech. Discuss., 6, 11093-11144, doi:10.5194/amtd-6-11093-2013, 2013.

  139. Sharma, S., J.A. Ogren, A. Jefferson, K. Eleftheriadis, E. Chan, P.K. Quinn, J.F. Burkhart: Black Carbon in the Arctic [in Arctic Report Card 2013], http://www.arctic.noaa.gov/reportcard, 2013.

  140. Wiedensohler, A., Birmili, W., Putaud, J.-P., and Ogren, J. Recommendations for aerosol sampling. In Aerosol Science: Technology and Applications, I. Colbeck and M. Lazaridis (eds.), John Wiley and Sons, West Sussex, UK, ISBN: 978-1-119-97792-6, 2014.

  141. Fiebig, M., Hirdman, D., Lunder, C. R., Ogren, J. A., Solberg, S., and Stohl, A.: Annual cycle of Antarctic baseline aerosol: controlled by photooxidation-limited aerosol formation, Atmos. Chem. Phys., 14, 3083-3093, doi:10.5194/acp-14-3083-2014, 2014.

  142. Titos, G., Jefferson, A., Sheridan, P. J., Andrews, E., Lyamani, H., Alados-Arboledas, L., and Ogren, J. A.: Aerosol light-scattering enhancement due to water uptake during TCAP campaign, Atmos. Chem. Phys., 14, 7031-7043, doi:10.5194/acp-14-7031-2014, 2014.

  143. Sherman, J. P., Sheridan, P. J., Ogren, J. A., Andrews, E. A., Schmeisser, L., Jefferson, A., and Sharma, S.: A multi-year study of lower tropospheric aerosol variability and systematic relationships from four North American regions, Atmos. Chem. Phys., 15, 12487-12517, doi:10.5194/acp-15-12487-2015, 2015.

  144. Zhang, L., Sun, J. Y., Shen, X. J., Zhang, Y. M., Che, H. C., Ma, Q. L., Zhang, Y. W., Zhang, X. Y., and Ogren, J. A.: Observations of relative humidity effects on aerosol light scattering in the Yangtze River Delta of China, Atmos. Chem. Phys., 15, 8439-8454, doi:10.5194/acp-15-8439-2015, 2015.

  145. Sorribas, M., Ogren, J.A., Olmo, F.J., Quirantes, A., Fraile, R., Gil-Ojeda, M., and Alados-Arboledas, L. Assessment of African desert dust episodes over the southwest Spain at sea level using in situ aerosol optical and microphysical properties, Tellus B, 67, 27482, http://dx.doi.org/10.3402/tellusb.v67.27482.

  146. Hallar, A. G., Petersen, R., Andrews, E., Michalsky, J., McCubbin, I. B., and Ogren, J. A.: Contributions of dust and biomass burning to aerosols at a Colorado mountain-top site, Atmos. Chem. Phys., 15, 13665-13679, doi:10.5194/acp-15-13665-2015, 2015.

  147. Höpner, F., Bender, F. A.-M., Ekman, A. M. L., Praveen, P. S., Bosch, C., Ogren, J. A., Andersson, A., Gustafsson, Ö., and Ramanathan, V.: Vertical profiles of optical and microphysical particle properties above the northern Indian Ocean during CARDEX 2012, Atmos. Chem. Phys., 16, 1045-1064, doi:10.5194/acp-16-1045-2016, 2016.

  148. Uttal, T., Starkweather, S., Drummond, J.R., Vihma, T., Cox, C.J., Dlugokencky, E.J., Ogren, J.A., McArthur, B., Schmeisser, L.N., Walden, V.P., Laurila, T., Darby, L.S., Makshtas, A.P., Burkhart, J.F., Haiden, T., Goodison, B., Maturilli, M., Shupe, M.D., de Boer, G., Stone, R., Saha, A., Grachev, A.A., Bruhwiler, L., Persson, P.O.G., Lesins, G., Crepinsek, S.M., Long, C.N., Sharma, S., Massling, A., Turner, D.D., Stanitski, D.M., Asmi, E., Aurela, M., Skov, H., Eleftheriadis, K., Virkkula, A., Platt, A., Førland, E.J., Verlinde, J., Yoshihiroo, I., Nielsen, I.E., Bergin, M.H., Candlish, L., Zimov, N.S., Zimov, S.A., O'Neill, N.T., Fogal, P.F., Kivi, R., Konopleva-Akish, E.A., Kustov, V.Y., Vasel, B., Viisanen, Y., Intrieri, J.M., Ivakhov, V.M., International Arctic Systems for Observing the Atmosphere (IASOA): An International Polar Year Legacy Consortium, Bull. Amer. Meteor. Soc., 1033-1056, DOI:10.1175/BAMS-D-14-00145.1, 2016.

  149. Sheridan, P., Andrews, E., Schmeisser, L., Vasel, B., and Ogren, J., Aerosol Measurements at South Pole: Climatology and Impact of Local Contamination, Aerosol and Air Quality Research, 16, 855-872, doi: 10.4209/aaqr.2015.05.0358, 2016.

  150. Denjean, C., Formenti, P., Desboeufs, K., Chevaillier, S., Triquet, S., Maillé, M., Cazaunau, M., Laurent, B., Mayol-Bracero, O.L., Vallejo, P., Quiñones, M., Gutierrez-Molina, I.E., Cassola, F., Prati, P., Andrews, E., and Ogren, J., Size distribution and optical properties of African mineral dust after intercontinental transport, J. Geophys. Res. Atmos., 121, 7117–7138, doi:10.1002/2016JD024783, 2016.

  151. Schmale, J., Henning, S., Henzing, J., S., Keskinen, H., Sellegri, K., Ovadnevaite, J., Bougiatioti, A., Kalivitis, N., Stavroulas, I., Jefferson, A., Park, M., Schlag, P., Kristensson, A., Iwamoto, Y., Pringle, K., Reddington, C., Aalto, P., Äijälä, M., Baltensperger, U., Birmili, W., Bukowiecki, N., Ehn, M., Fjæraa, A., M., Fiebig, M., Frank, G., Fröhlich, R., Frumau, A., Furuya, M., Hammer, E., Heikkinen, L., Herrmann, E., Holzinger, R., Hyono, H., Kanakidou, M., Kiendler-Scharr, A., Kinochi, K., Kos, G., Kulmala, M., Mihalopoulos, N., Nenes, A., O’Dowd, C., Paramonov, M., Petäjä, T., Picard, D., Poulain, L., Prévôt, A., S., H., Slowik, J., Sonntag, A., Swietlicki, E., Svenningsson, B., Tsurumaru, H., Wiedensohler, A., Wittbom, C., Ogren, J., Matsuki, A., Yum, S., S., Myhre, C., L., Carslaw, K., Stratmann, F., Gysel, M. Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition. Scientific Data, 4, doi:10.1038/sdata.2017.3, 2017.

  152. Andrews, E., Ogren, J. A., Kinne, S., and Samset, B. Comparison of AOD, AAOD and column single scattering albedo from AERONET retrievals and in-situ profiling measurements. Atmos. Chem. Phys., 17, 6041–6072, doi:10.5194/acp-17-6041-2017, 2017.

  153. Sinha, P. R., Kondo, Y., Koike, M., Ogren, J. A., Jefferson, A., Barrett, T. E., Sheesley, R. J., Ohata, S., Moteki, N., Coe, H., Liu, D., Irwin, M., Tunved, P., Quinn, P. K., and Zhao,Y. Evaluation of ground-based black carbon measurements by filter-based photometers at two Arctic sites. J. Geophys. Res. Atmos., 122, 3544–3572, doi:10.1002/2016JD025843, 2017.

  154. Moosmüller, H., and Ogren, J. A. Parameterization of the Aerosol Upscatter Fraction as Function of the Backscatter Fraction and Their Relationships to the Asymmetry Parameter for Radiative Transfer Calculations. Atmosphere, 8, 133, doi:10.3390/atmos8080133, 2017.

  155. Kahn, R., Berkoff, T., Brock, C., Chen, G., Ferrare, R., Ghan, S., Hanisco, T., Hegg, D., Martins, V., McNaughton, C., Murphy, D., Ogren, J., Penner, J., Pilewskie, P., Seinfeld, J., Worsnop, D. SAM-CAAM: A Concept for Acquiring Systematic Aircraft Measurements to Characterize Aerosol Air Masses. Bull. Amer. Meteor. Soc., 98, 2215-2228, DOI:10.1175/BAMS-D-16-0003.1, 2017.

  156. Backman, J., Schmeisser, L., Virkkula, A., Ogren, J. A., Asmi, E., Starkweather, S., Sharma, S., Eleftheriadis, K., Uttal, T., Jefferson, A., Bergin, M., and Makshtas. A. On Aethalometer measurement uncertainties and an instrument correction factor for the Arctic. Atmos. Meas. Tech., 10, 5039-5062, https://doi.org/10.5194/amt-10-5039-2017, 2017.

  157. Schmeisser, L., Andrews, E. , Ogren, J.A., Sheridan, P., Jefferson, A., Sharma, S., Kim, J.E., Sherman, J.P., Sorribas, M., Kalapov, I., Arsov, T., Angelov, C., Mayol-Bracero, O.L., Labuschagne, C., Kim, S.-W., Hoffer, A., Lin, N.-H., Chia, H.-P., Bergin, M., Sun, J.Y., Liu, P., Wu, H. Classifying aerosol type using in situ surface spectral aerosol optical properties. Atmos. Chem. Phys., 17, 12097-12120, https://doi.org/10.5194/acp-17-12097-2017, 2017.

  158. Sharma, S., Leaitch, W.R., Huang, L., Veber, D., Kolonjari, F., Zhang, W., Hanna, S. J., Bertram, A. K., and Ogren, J. A. An Evaluation of three methods for measuring black carbon at Alert, Canada, Atmos. Chem. Phys., 17, 15225-15243, https://doi.org/10.5194/acp-17-15225-2017, 2017.

  159. Ogren, J. A., Wendell, J., Andrews, E., and Sheridan, P. J. Continuous light absorption photometer for long-term studies. Atmos. Meas. Tech., 10, 4805-4818, https://doi.org/10.5194/amt-10-4805-2017, 2017.

  160. Schmale, J., Henning, S., Decesari, S., Henzing, B., Keskinen, H., Sellegri, K., Ovadnevaite, J., Pöhlker, M. L., Brito, J., Bougiatioti, A., Kristensson, A., Kalivitis, N., Stavroulas, I., Carbone, S., Jefferson, A., Park, M., Schlag, P., Iwamoto, Y., Aalto, P., Äijälä, M., Bukowiecki, N., Ehn, M., Frank, G., Fröhlich, R., Frumau, A., Herrmann, E., Herrmann, H., Holzinger, R., Kos, G., Kulmala, M., Mihalopoulos, N., Nenes, A., O'Dowd, C., Petäjä, T., Picard, D., Pöhlker, C., Pöschl, U., Poulain, L., Prévôt, A. S. H., Swietlicki, E., Andreae, M. O., Artaxo, P., Wiedensohler, A., Ogren, J., Matsuki, A., Yum, S. S., Stratmann, F., Baltensperger, U., and Gysel, M.: Long-term cloud condensation nuclei number concentration, particle number size distribution and chemical composition measurements at regionally representative observatories, Atmos. Chem. Phys., 18, 2853-2881, https://doi.org/10.5194/acp-18-2853-2018, 2018.

  161. Schmeisser, L., Backman, J., Ogren, J. A., Andrews, E., Asmi, E., Starkweather, S., Uttal, T., Fiebig, M., Sharma, S., Eleftheriades, K., Vratolis, S., Bergin, M., Tunved, P., and Jefferson, A. Seasonality of aerosol optical properties in the Arctic, Atmos. Chem. Phys., 18, 11599–11622, https://doi.org/10.5194/acp-18-11599-2018, 2018.

  162. Kim, J.-H., Kim, S.-W., Ogren, J. A., Sheridan, P. J., Yoon, S.-C., Sharma, S., and Lin, N.-H. Multiple scattering correction factor estimation for aethalometer aerosol absorption coefficient measurement, Aerosol Sci. Tech., DOI: 10.1080/02786826.2018.1555368, 2018.

  163. Petersen, R. C., Hallar, A. G., McCubbin, I. B., Ogren, J. A., Andrews, E., Lowenthal, D., Gorder, R., Purcell, R., Sleeth, D., and Novosselov, I. Numerical, wind-tunnel, and atmospheric evaluation of a turbulent ground-based inlet sampling system, Aerosol Sci. Tech., 53:6, 712-727, DOI: 10.1080/02786826.2019.1602718, 2019.

  164. Japngie-Green, C. M., Andrews, E., McCubbin, I. B., Ogren, J. A., and Hallar, A. G., Climatology of Aerosol Optical Properties at Storm Peak Laboratory, Aerosol Air Quality Res., 19, 1205–1213, https://doi.org/10.4209/aaqr.2018.05.0204, 2019.

  165. Sorribas, M., Andrews, E., Ogren, J. A., del Águila, A., Fraile, R., Sheridan, P., and Yela, M. Climatological study for understanding the aerosol radiative effects at southwest Atlantic coast of Europe, Atmos. Environ. 205, 52-66, https://doi.org/10.1016/j.atmosenv.2019.02.017, 2019.

  166. Andrews, and 27 co-authors, including Ogren, J. A., Overview of the NOAA/ESRL federated aerosol network, Bull. Amer. Meteor. Soc., 100 (1), 123-135, https://doi.org/10.1175/BAMS-D-17-0175.1, 2019.

  167. Pani, S. K., Ou-Yang, C.-F., Wang, S.-H., Ogren, J. A., Sheridan, P. J., Sheu, G.-R., Lin, N.-H., Relationship between long-range transported atmospheric black carbon and carbon monoxide at a high-altitude background station in East Asia, Atmos. Environ., https://doi.org/10.1016/j.atmosenv.2019.04.053, 2019.

  168. Laj, P. and 232 co-authors, including Ogren, J. A., A global analysis of climate-relevant aerosol properties retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories, Atmos. Meas. Tech., 13, 4353–4392, https://doi.org/10.5194/amt-13-4353-2020, 2020.

  169. Leaitch, W. R., Kodros, J. K., Willis, M. D., Hanna, S., Schulz, H., Andrews, E., Bozem, H., Burkart, J., Hoor, P., Kolonjari, F., Ogren, J. A., Sharma, S., Si, M., von Salzen, K., Bertram, A. K., Herber, A., Abbatt, J. P. D., and Pierce, J. R. Vertical profiles of light absorption and scattering associated with black carbon particle fractions in the springtime Arctic above 79° N, Atmos. Chem. Phys. 20 (17), 10545-10563, https://doi.org/10.5194/acp-20-10545-2020, 2020.

  170. Ouimette, J. R., Malm, W. C., Schichtel, B. A., Sheridan, P. J., Andrews, E., Ogren, J. A., and Arnott, W. P., Evaluating the PurpleAir monitor as an aerosol light scattering instrument. Atmos. Meas. Tech., 15, 655-676, https://doi.org/10.5194/amt-15-655-2022, 2022.


PATENTS:

1. J.A. Ogren, J. Heintzenberg, and R.J. Charlson, "Virtual Impactor", U.S. Patent No. 4,689,052, 1987.


NOTES, REPORTS, CONFERENCE PAPERS, REVIEWS AND SUBMITTED PAPERS:

  1. J. A. Anderson and J. A. Ogren, "Data Processing Techniques for Accuracy of Aircraft Sampling", Proceedings of the Air Pollution Control Association Specialty Conference on Air Pollution Measurement Accuracy as it Relates to Regulation Compliance, New Orleans, 26-28 October, 1975.

  2. J. A. Ogren, D. L. Blumenthal and W. H. White, "Study of Ozone Formation in Power Plant Plumes", Proceedings of the Air Pollution Control Association Specialty Conference on Ozone/Oxidants: Interactions with the Total Environment, Dallas, 10-12 March 1976.

  3. J. A. Ogren and T. B. Smith, "Airborne Sulfate Measurements in the Vicinity of the Mohave Power Plant", MRI 76 FR-1422a, Meteorology Research, Inc., Altadena, California, 1976.

  4. J. A. Ogren, D. L. Blumenthal, W. H. White, T. W. Tesche, M. A. Yoche and M. K. Liu, "Determination of the Feasibility of Ozone Formation in Power Plant Plumes", EPRI EA-307, Electric Power Research Institute, Palo Alto, California, 1976.

  5. T. W. Tesche, J. A. Ogren and D. L. Blumenthal, "Ozone Concentrations in Power Plant Plumes: Comparison of Models and Sampling Data", Proceedings of the International Conference on Photochemical Oxidant Pollution and Its Control (September, 1976), EPA-600/3-77-001a, U. S. Environmental Protection Agency, Research Triangle Park, North Carolina, 1977.

  6. J. A. Ogren, D. L. Blumenthal and A. H. Vanderpol, "Oxidant Measurements in Western Power Plant Plumes", EPRI EA-421, Electric Power Research Institute, Palo Alto, California, 1977.

  7. T. B. Smith, J. A. Ogren, J. A. Anderson and P. R. Harrison, "Aerosol Plume Studies at the Mohave Power Plant", MRI 77 R-1487, Meteorology Research, Inc., Altadena, California, 1977.

  8. J. A. Ogren, D. L. Blumenthal and W. H. White, "Pollutant Measurements in Plumes from Power Plants and Cities", EPA-600/7-78-041, U. S. Environmental Protection Agency, Research Triangle Park, North Carolina, 1978.

  9. J. A. Ogren, J. A. Anderson and D. L. Blumenthal, "Midwest Interstate Sulfur Transformation and Transport Project: Aerial Measurements of Urban and Power Plant Plumes, July 1976", MRI 78 FR-1586, Meteorology Research, Inc., Altadena, California, 1978.

  10. E. S. Macias, D. L. Blumenthal, J. A. Anderson, J. A. Ogren, B. K. Cantrell, and D. J. Shadoan, "Measurements of Size Distribution, Chemical Composition and Sources of Visibility Reducing Aerosols in the Southwestern U.S.", presented before the Division of Environmental Chemistry, American Chemical Society, Honolulu, Hawaii, April 1-6, 1979.

  11. R. J. Charlson, J. A. Ogren, and R. H. Gammon, Review of Book, "Chemical Compounds in the Atmosphere", by T. E. Graedel, Bull. Amer. Meteor. Soc. 61, 488-489, 1980.

  12. J. A. Ogren, R. J. Charlson and D. S. Covert, "Comments on the Relative Contribution of Fluctuations in Relative Humidity and Particulate Concentrations to the Variability of the Scattering Coefficient over the North Atlantic", Atmos. Environ. 15, 415, 1981.

  13. J. A. Ogren, Review of "A Handbook to Estimate Climatological Concentration, Deposition and Horizontal Fluxes of Pollutants on a Regional Scale" by L. Machta, Water Air Soil Poll. 15, 389, 1981.

  14. J. A. Ogren, "Wet Deposition of Elemental Carbon in Sweden", presented at NOSA Aerosol Symposium, Studsvik, Sweden, 22-23 November 1983.

  15. J. Heintzenberg and J. A. Ogren, comment on "An Assessment of the Impact of Pollution on Global Cloud Albedo", Tellus 37B, 308-309, 1985.

  16. J. Heintzenberg, H.-C. Hansson, J. A. Ogren, D. S. Covert, and J.-P. Blanchet, "Physical and Chemical Properties of Arctic Aerosols and Clouds", in Arctic Air Pollution (ed. B. Stonehouse), Cambridge Univ. Press, Cambridge, U.K., 25-35, 1986.

  17. H.-C. Hansson, J. Heintzenberg, L. Asking, E. Swietlicki, and J.A. Ogren, "Combined sampling and analytical methodology for the investigation of the atmospheric aerosol." In Aerosols: Formation and Reactivity. Proc. 2nd Int Aerosol Conf. in Berlin, Pergammon, Oxford, 1986.

  18. J. Heintzenberg, H.-C. Hansson, J.A. Ogren, and S.-Å. Odh, "A baseline aerosol monitoring station for near-unattended operation.". In Aerosols: Formation and Reactivity. Proc. 2nd Int Aerosol Conf. in Berlin, Pergammon, Oxford, 1986.

  19. J.A. Ogren, J. Heintzenberg, A. Zu­ber, H.-C. Hansson, K.J. Noone, D.S. Covert, and R.J. Charlson. Measurements of the short-term variability of aque­ous-phase mass-concentrations in cloud droplets. In Acid Deposition Processes At High Elevation Sites (eds. M.H. Unsworth and D. Fowler), Kluwer Aca­demic Publ., pp.125-137, 1988.

  20. J. Heintzenberg and J.A. Ogren, "The present knowledge of atmospheric transparency in the visible due to aerosols: Variability in space and time," Proc. Int. Meeting on Atmospheric Transparency for Satellite Application, Capri, Italy, 15-19 September 1986.

  21. J. Heintzenberg, L. Gärdneus, and J. Ogren, "Size Distribution of trace substances in cloud droplets: A new application of optical particle sizing," presented at Int. Symp. on "Optical Particle Sizing: Theory and Practice," Rouen, France, 12-15 May 1987.

  22. J. Ogren, J. Heintzenberg, and K. Noone. "Measurements of the Partitioning of Particle Mass and Number between Cloud Droplets and Interstitial Air," Annalen der Meteorologie 25, 34-36, 1988.

  23. K.J. Noone, J. A. Ogren, and J. Heintzen­berg. "An Examina­tion of the Chemi­cal and Physical Variability of Clouds at a Mountain-top Site in Central Sweden", Annalen der Meteorologie 25, 282-284, 1988.

  24. J. A. Ogren and R. J. Charlson, Comment on "A Theoretical Study of the Wet Removal of Atmospheric Pollutants. Part I and II", J. Atmos. Sci. 46, 1867-1869, 1989.

  25. J.A. Ogren, "Partitioning of H2O2 in Clouds," presented at the Nordic Symposium on Atmospheric Chemistry, Stockholm/Helsinki, December 1989.

  26. K.J. Noone, J.A. Ogren, K.B. Johansson, A. Hallberg, S. Fuzzi, and J.A. Lind, "Hydrogen Peroxide Partitioning in Ambient Clouds," Proc. EUROTRAC Symposium '90, Garmisch-Partenkirchen, F.R.G, April 1990.

  27. A. Hallberg, J.A. Ogren, and K.J. Noone, "Aerosol Partitioning In- and Out-of-Fog," Proc. EUROTRAC Symposium '90, Garmisch-Partenkirchen, F.R.G, April 1990.

  28. J.A. Ogren, "Partitioning of H2O2 in Clouds," presented at the CACGP Symposium in Chamrousse, France, September, 1990.

  29. J.A. Ogren and J. Heintzenberg, "Parametric Aerosol Sampling at Low Concentration Levels," Report AA-1, International Meteorological Institute in Stockholm, 1990.

  30. Heintzenberg, J., Ogren, J. A., Odh, S.-Å., Bäcklin, L., and Danielsen, T. (1991). The MISU baseline station (Report AA-02). International Meteorological Institute in Stockholm, Department of Meteorology, Stockholm University.

  31. Heintzenberg, J., Holmén, K., Odh, S.-Å., and Ogren, J. A. (1991). Air monitoring in the Arctic 1979-1990. Swedish Environmental Protection Agency.

  32. Ogren, J., Noone, K., Hallberg, A., Heintzenberg, J., and Okada, K. (1991). Interactions between aerosol particles and clouds . EUROTRAC Annual Report 1990, p. 37-44.

  33. Noone, B., Heintzenberg, J., Noone, K., Ogren, J., and Ström, J. (1991). CVI-measurements during ICE-89. In R. W. Saunders and P. R. A. Brown (Ed.), Fourth Workshop, International Cirrus Experiment/European Cloud Radiation Experiment (pp. 10-12). Reading, UK.

  34. Ogren, J. A., Bodhaine, B. A., Harris, J. M. and Hofmann, D. J. 1991. Detection of Kuwait smoke particles at Mauna Loa Observatory. Eos, Trans. Am. Geophys. Union, October 29, 1991.

  35. Noone, K. J., Hallberg, A., Heintzenberg, J., Svenningsson, B., Hansson, H.-C., Wiedensohler, A. and Ogren, J. A. 1992. Size-dependent scavenging efficiencies of aerosol particles in a polluted fog. Proc. 11th International Conference on Clouds and Precipitation, August 17-21, 1992, Montreal, Canada.

  36. Ström, J., Heintzenberg, J., Noone, K.J., Noone, K.B., Ogren, J.A., Albers, F. and Quante, M. 1992. CVI measurements on small crystals in cirrus clouds. Proc. 11th International Conference on Clouds and Precipitation, August 17-21, 1992, Montreal, Canada.

  37. Penner, J.E., Charlson, R.J., Hales, J.M., Laulainen, N., Leifer, R., Novakov, T., Ogren, J., Radke, L.F., Schwartz, S.E. and Travis, L. 1993. Quantifying and minimizing uncertainty of climate forcing by anthropogenic aerosols. U.S. Department of Energy report DOE/NBB-0092T, March, 1993.

  38. Langner, J., T.S. Bates, R.J. Charlson, A.D. Clarke, P.A. Durkee, J. Gras, J. Heintzenberg, D.J. Hofmann, B. Huebert, C. Leck, J. Lelieveld, J.A. Ogren, J. Prospero, P.K. Quinn, H. Rodhe, and A.G. Ryaboshapko. 1993. The global atmospheric sulfur cycle: A comparison of the MOGUNTIA model predictions with observations. Department of Meteorology, Stockholm University, International Meteorological Institute in Stockholm, Report CM-81.

  39. Noone, K.J., Ogren, J.A., Hallberg, A., Svenningsson, B., Hansson, H.-C., Wiedensohler, A., Okada, K. and Heintzenberg, J. 1994. The influence of aerosol particle composition on cloud droplet nucleation. Proc. Conf. on Atmos. Chem., Amer. Meteor. Soc., January 23-28, 1994, Nashville, U.S.A.

  40. Ogren, J.A., Bodhaine, B.A., and Forbes, G.L. 1994. Control of the wavelength dependence of aerosol light scattering by the ratio of coarse to fine particles. Proc. Fourth Int. Aerosol Conf., Aug. 29 - Sept. 2, 1994, Los Angeles, U.S.A.

  41. Wang, T., Carroll, M.A., Alber, G.M., Markevitch, A., Owens, K.R., Duderstadt, K.A., Marsik, F., Parrish, D.D., Holloway, J., Fehsenfeld, F.C., Ogren, J.A., Forbes, G., Blake, N., Blake, D.R., Merrill, J.T., and Moody, J.L. 1994. Ground-based measurements of NOx and total reactive nitrogen (NOy) at Sable Island, Nova Scotia during the NARE 1993 summer intensive. Eos, Trans. Am. Geophys. Union, 75, Nov. 1, 1994, paper A11B-8.

  42. Carroll, M.A., Wang, T., Alber, G.M., Duderstadt, K.A., Sillman, M.S., Markevitch, A., Owens, K.R., Marsik, F., Parrish, D.D., Holloway, J., Fehsenfeld, F.C., Ogren, J.A., Forbes, G., Blake, N., Blake, D.R., Merrill, J.T., and Moody, J.L. 1994. The local photochemical environment and ozone production and loss at Sable Island, Nova Scotia, derived from measurements made during the NARE 1993 summer intensive. Eos, Trans. Am. Geophys. Union, 75, Nov. 1, 1994, paper A31B-7.

  43. Quinn, P.K., Zenker, C.E., Ogren, J.A., Covert, D.S., and Marshall, S.F. 1994. Sulfate scattering to mass ratios at two mid-latitude northern hemisphere sites Eos, Trans. Am. Geophys. Union, 75, Nov. 1, 1994, paper A41D-2.

  44. Ogren, J.A. and Sheridan, P.J. 1996. Vertical and horizontal variability of aerosol single scattering albedo and hemispheric backscatter fraction over the United States. Proc. 14th Int. Conf. Nucleation and Atmos. Aerosols, Helsinki, Finland.

  45. Brechtel, F.J., Kreidenweis, S.M., and Ogren, J.A. 1996. Observations of the volatility of the ambient aerosol at a remote mid-latitude mountain site. J. Geophys. Res., submitted.

  46. Ogren, J.A. 1997. An integrated observing system for quantifying climate forcing by anthropogenic aerosols. Proc. First Sympos. Integrated Observing Systems, Amer. Meteor. Soc., Feb. 2-7, 1997, Long Beach, USA.

  47. Bergin, M.H., Halthore, R.N., Schwartz, S.E., Ogren J.A., McGraw, R., Nemesure, S., Comparison of Aerosol Column Properties Based on Nephelometer and Sun Photometer Measurements, Atmospheric Radiation Measurement (ARM) Aerosol Workshop, Oak Ridge, TN, Nov., 1996. (Oral presentation by R.S. Halthore).

  48. Ogren, J.A., 1997. Aerosol Radiative Properties Downwind of North America: Dependence on Airmass Trajectory. Presented at the 1997 Fall AGU meeting, Dec. 8-12, 1997, San Francisco.

  49. Sheridan, P.J., Bergin, M.H., and Ogren, J.A. 1997. Spatial and Temporal Variability of Aerosol Single-Scattering Albedo. Presented at the 1997 Fall AGU meeting, Dec. 8-12, 1997, San Francisco.

  50. Ogren, J.A., 1998. Enhanced Aerosol Measurements at NOAA’s Baseline Observatory at Barrow, Alaska. Poster presented at DOE/ARM Science Team meeting, Tucson, March 1998.

  51. Ogren, J.A., Bergin, M.H., and Sheridan, P.J. 1998. Aerosol Radiative Properties in the Southern Great Plains of the United States. Poster presented at DOE/ARM Science Team meeting, Tucson, March 1998.

  52. Ogren, J.A., Bergin, M.H., Charlson, R.J., Covert, D.S., Anderson, T.L., and Rood, M.J. 1998. Observations of the direct radiative forcing efficiency of continental and marine aerosols. J. Geophys. Res., submitted.

  53. Ogren, J.A., Bergin, M.H., Jefferson, A., Sheridan, P.J., Rood, M.J., Anderson, T.L., Covert, D.S., Charlson, R.J. 1998. Contributions of co-varying quantities to average direct aerosol radiative forcing. Poster presented at Ninth Symposium of the IAMAS Commission on Atmospheric Chemistry & Global Pollution, Seattle, WA, USA, August, 1998.

  54. Ogren, J.A., Bergin, M.H., Charlson, R.J., Covert, D.S., Anderson, T.L., and Rood, M.J. Measurements of aerosol single-scattering albedo: Implication of its observed variability on estimates of aerosol radiative forcing. Presented at ALPS99 Workshop on Reduction of Errors in Aerosol Forcing of Climate, Meribel, France, January, 1999.

  55. Ogren, J.A. 2000. Aerosol influences on climate. Invited presentation at Solar and Space Weather Euroconference on The Solar Cycle and Terrestrial Climate, Santa Cruz de Tenerife, Spain, September, 2000.

  56. Gonzalez Jorge, H., Ogren, J.A., and Rosa, F. 2000. Retrieved aerosol parameters needed in climate model calculations. Presented at Solar and Space Weather Euroconference on The Solar Cycle and Terrestrial Climate, Santa Cruz de Tenerife, Spain, September, 2000.

  57. AAAR, 2 posters, Oct 2001

  58. Allan, J.D., Coe, H., Cubison, M.J., Jimenez, J.L., Huffman, J.A., DeCarlo, P.F., Northway, M., Canagaratna, M.R., Onasch, T., Cross, E.S., Coulson, G., Zhang,Q., Goldstein,A.H., Williams, B.J., Millet, D.B., Ogren, J.A., Andrews, E., Sheridan, P.J., Jefferson, A., Roberts, J.M., Kreisberg, N.M., Hering, S.V., Russell, L., Gilardoni, S., Quinn, P.K., Worsnop, D.R., Overview of In Situ Measurements of Particle Composition at Chebogue Point, Nova Scotia, during summer 2004 and insights into organic chemical processes, in review, J. Geophys. Res., 2006.

  59. Andrews, E., J. Ogren, J. Allan, K. Bower, H. Coe, B.Corris, M. Flynn, D. Liu, W. Morgan, and P. William. Cloud-Processing and Aerosol Optical Properties at a Polluted Continental Site. Presented at AAAR Conference, Reno, NV, Sept. 2007.

  60. Ogren, J.A., Sheridan, P.J., Andrews, E.J., and Anderson, T.L. Comparison of aerosol vertical profiles from CALIOP with in-situ measurements. Presented at A-Train Symposium, Lille, France, October, 2007.

  61. Rivera, H., Ogren, J. A., Andrews, E., and Mayol-Bracero, O.L. Variations in the physicochemical and optical properties of natural aerosols in Puerto Rico - Implications for climate, Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2017-703, in review, 2017.


INVITED SEMINARS AND LECTURES:

1. "Measurements of the absorption coefficient of stratospheric aerosols", NASA Langley Laboratory, Langley, VA, USA, November 1978.

1. "The atmospheric cycle of elemental carbon", Department of Meteorology, University of Stockholm, Stockholm, Sweden, May 1981.

1. "Measurements of the absorption coefficient of stratospheric aerosols", Department of Meteorology, University of Stockholm, Stockholm, Sweden, May 1981.

1. "Factors controlling the atmospheric cycle of elemental carbon", Department of Meteorology, University of Maryland, College Park, MD, USA, February 1982.

1. "Deposition of elemental carbon in Sweden", Department of Meteorology, University of Stockholm, Stockholm, Sweden, September 1982.

1. "The atmospheric cycle of elemental carbon", Pacific Northwest Laboratory, Battelle Research Institute, Richland, WA, USA, December 1982.

1. "The atmospheric cycle of elemental carbon", Brookhaven National Laboratory, Brookhaven, NY, USA, January 1983.

1. "The atmospheric cycle of elemental carbon", Department of Meteorology, Johannes Gutenburg University, Mainz, West Germany, May 1985.

1. "Measurements of the Size Dependence of Non-Volatile Materials in Cloud Droplets," Department of Meteorology, University of Stockholm, Stockholm, Sweden, January 1987.

1. "Chemical Composition of Clouds", European Science Foundation Symposium on Cloud Chemistry, Cambridge, U.K., July 1987.

1. "Theory and Measurement of the Size Dependence of Non-Volatile Materials in Cloud Droplets", Department of Nuclear Physics, Lund Institute of Technology, Lund, Sweden, May 1988.

1. "What's Happening in the Clouds?", Swedish Royal Institute of Engineering Sciences, Stockholm, Sweden, December 1988.

1. "The Physics and Chemistry of Clouds", Nordic Researcher's Course, Oppheim, Norway, June 1989.

1. "EUROTRAC Subproject GCE: A Summary", EUROTRAC Symposium '90, Garmisch-Partenkirchen, F.R.G, April 1990.

1. "An insider's view of cloud droplets", National Center for Atmospheric Research, Boulder, CO, U.S.A., July 1990.

1. "Measurements of the size-dependence of the scavenging efficiency of aerosol particles in fog", NOAA Aeronomy Laboratory, Boulder, CO, U.S.A., December 1991.

1. "Measurements of the size-dependence of the scavenging efficiency of aerosol particles in fog", NOAA Climate Monitoring and Diagnostics Laboratory, Boulder, CO, U.S.A., January, 1992.

1. "Measurements of the size-dependence of the concentration of non-volatile material in fog droplets," University of Rhode Island, February, 1992.

1. "Measurements of the size-dependence of the scavenging efficiency of aerosol particles in fog", University of Illinois at Urbana-Champaign, April, 1992.

1. "Measurements of the size-dependence of the scavenging efficiency of aerosol particles in fog", Colorado State University, October, 1992.

1. "Size-resolved measurements of aerosol light scattering at Sable Island, Canada," Department of Meteorology, University of Stockholm, Stockholm, Sweden, January 1993.

1. "Climate forcing by anthropogenic aerosols: The Sable Island connection", Atlantic Regional Office, Atmospheric Environment Service, Canada, July 1993. Also presented at Sable Island Upper Air Station, Canada, July 1993.

1. "Control of the wavelength dependence of aerosol light scattering by the ratio of coarse to fine particles," Institute for Tropospheric Research, Leipzig, Germany, May 1994.

1. "Aerosol forcing of climate," University of Veszprem, Veszprem, Hungary, May 1994.

1. "Aerosol forcing of climate," Institute for Atmospheric Physics, Hungarian Meteorological Service, Budapest, Hungary, May 1994.

1. "Climate forcing by atmospheric aerosols: NOAA's monitoring program," Hydrometeorological Institute of Slovenia, Ljubljana, Slovenia, February 1995.

1. "Climate forcing by atmospheric aerosols: NOAA's monitoring program," Department of Fundamental and Experimental Physics, University of La Laguna, Spain, March 1995.

1. "Monitoring aerosol intensive properties for use with climate models," Gordon Conference on Atmospheric Chemistry, Newport, Rhode Island, June 1995.

1. "Monitoring aerosol intensive properties for use with climate models," Department of Meteorology, University of Stockholm, Stockholm, Sweden, September, 1996.

1. "Measurements of the climate forcing properties of atmospheric aerosols," Center for Atmospheric Sciences, University of Mexico, Mexico City, Mexico, January, 1998.

1. "Observations of the direct radiative forcing efficiency of continental and marine aerosols", Center for Clouds, Chemistry and Climate, Scripps Institute of Oceanography, La Jolla, California, USA, September 1998.

1. "Observations of the direct radiative forcing efficiency of continental and marine aerosols", Laboratoire de Météorologie Physique, Université de Clermont-Ferrand, France, January, 1999.

33. "In-situ measurements of the vertical profiles of aerosol properties", School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA, March, 2001.

34. MISU, May, 2002.

35. "Effects of cloud scavenging on aerosol radiative properties", Institute for Tropical Ecosystem Studies, University of Puerto Rico, San Juan, May, 2006.



GRADUATE STUDENT AND POST-DOCTORAL FELLOWSHIP ADVISING:

Hallberg, A. Department of Meteorology, University of Stockholm, Sweden, 1988-1994. Principal adviser, Ph.D awarded 1994.

Gonzalez Jorge, H. Department of Fundamental and Experimental Physics, University of La Laguna, Spain, 1994-present. Co-adviser, Ph.D. in progress.

Brechtel, F. Department of Atmospheric Science, Colorado State University, U.S.A., 1994-99. Member of Ph.D committee.

Bergin, M. U.S. Department of Energy Global Change Postdoctoral Fellowship, 1995-97. Research co-adviser.

McInnes, L. U.S. National Research Council Postdoctoral Associate, 1995-97. Research adviser.

Fiebig, M., Feodor-Lynen Postdoctoral Fellowship, German Alexander-von-Humboldt Foundation, 2002-2005. Research adviser.

Nessler, R., Swiss National Science Foundation, Postdoctoral Fellowship, 2005-2006. Research co-adviser.


SCIENTIFIC COMMITTEES:

EUROTRAC Committee of Subproject Coordinators, 1987-1991.

IGAC Multiphase Atmospheric Chemistry activity, coordinating committee, 1989-1995.

IAMAP Commission on Clouds and Precipitation, 1988-1996.

WMO/GAW Aerosol Science Advisory Group, 1991-2015 (Chairman, 2009-2015)

U.S. DOE/ARM Aerosol Working Group, 1992-1993

U.S. National Research Council, Board on Atmospheric Sciences and Climate, Panel on Aerosol Radiative Forcing and Climate Change, 1993-1996.

AMS Committee on Atmospheric Chemistry, 1994-1997

NASA FIRE-III Drafting Panel, 1994

Center for Clouds, Chemistry and Climate, External Advisory Panel Member, 1994-1998

IGAC Focus on Atmospheric Aerosols, Direct Radiative Forcing activity, co-convener, 1995-1998

Center for Clouds, Chemistry and Climate, Principal Investigator, 1998-2001

European Super-sites for Atmospheric Aerosol Research (EUSAAR), Scientific Advisory Committee, 2006-2011

Aerosols, Clouds, and Trace gases Research InfraStructure Network (ACTRIS), Advisory Board, 2011-2015



MEMBERSHIPS:

American Geophysical Union.

American Association for Aerosol Research.