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RAMANATHAN, V. (Ram)

Victor C. Alderson Professor of Applied Ocean Sciences & Professor of Atmospheric Sciences

Director, Center for Atmospheric Sciences

Degrees:

• B.S., Annamalai University, India
• M.S., Indian Institute of Science, Bangalore
• Ph.D., State University of New York

Research Interests:

• Atmospheric Brown Clouds (ABC)
• Air-sea interactions
• Climate Change Mitigation
• Clouds, aerosols, greenhouse gases, and climate
• Earth radiation budget measurements
• Lightweight Unmanned Aircraft Vehicles as Research Platforms

Courses Recently Taught:

• SIO 209: Special Topics
• SIO 217C: Atmospheric & Climate Sci III
• SIO209: Special Topics
• SIO217C: Atmospheric & Climate Sci III

Honors and Awards:

• Tyler Prize for Environment, 2009
• Zayed International Prize for the environment (with co-recipient Prof. Jane Lubchenco), 2008
• Elected to Royal Swedish Academy of Sciences, 2008
• Cozzarelli Prize (PNAS), 2007
• Elected to American Philosophical Society, 2006
• Member, Pontifical Academy of Sciences, 2004
• Fellow, Indian Meteorological Society, 2003
• Pioneer Award, National Science Foundation, 2003
• Rossby Medal, American Meteorological Society, 2002
• Elected Member, National Academy of Sciences, 2002
• Volvo Environment Prize (shared with S. Manabe), 1997
• Buys Ballot Medal, Royal Netherlands Academy of Sciences, 1995
• Fellow, American Academy of Arts and Sciences, 1995
• Medal for Exceptional Scientific Achievement, NASA, 1989
• Elected Fellow, American Meteorological Society, 1985
• Distinguished Alumnus Award, SUNY, Stony Brook, 1984
• Outstanding Publication Award, NCAR, 1981
• Elected Fellow American Geophysical Union, 1978
• Special Achievement Award, NASA, 1975

Mentoring:

• Lehmann, Katrin (Post Doc; 2007-2009)
• Feng, Yan (Post Doc; 2005-)
• Nephew, Jill (Masters; 2003-2005)
• Zhu, Aihua (Graduate; 2003-)
• Chung, Eddy (Post Doc; 2002-2004)
• Chung, Eui-Seok (Graduate; 2002-2002)
• Corrigan, Craig (Post Doc; 2002-2008)
• Hadley, Odelle (Graduate; 2002-2008)
• Markowicz, Krzysztof (Graduate; 2002-2002)
• Roberts, Greg (Post Doc; 2002-2006)
• Muvva, V. (Post Doc; 2001-2007)
• Zurovac-Jevtic, Dance (Post Doc; 2000-2000)
• Jones, Xu-Li (Post Doc; 1998-1999)
• Rajeev, K. (Post Doc; 1998-1999)
• Roca, Remy (Graduate; 1998-1999)
• Satheesh, S.K. (Post Doc; 1998-2000)
• Cole, Jonathan (Graduate; 1997-1999)
• Lobert, Jorgen (Post Doc; 1997-1998)
• Meywerk, Jens (Post Doc; 1997-1999)
• Galinsky, Vitaly (Post Doc; 1996-1997)
• Tian, Baijun (Graduate; 1996-2002)
• Wilcox, Eric (Graduate; 1996-2002)
• Boer, Erwin (Post Doc; 1995-1997)
• Vogelmann, Andrew (Post Doc; 1995-2000)
• Conant, William (Graduate; 1994-2000)
• Volpe, Chris (Graduate; 1994-1995)
• Conant, William (Graduate; 1993-2000)
• McFarquhar, Greg (Post Doc; 1993-1994)
• Chen, J.P. (Post Doc; 1992-1994)
• Sherwood, Steven (Graduate; 1992-1995)
• Wang, Chien (Post Doc; 1992-1994)
• Weaver, Christopher (Graduate; 1991-1996)
• Sherwood, Steven (Graduate; 1989-1995)

Stith, J.L., V. Ramanathan, W.A. Cooper, G.C. Roberts, P.J. DeMott, G. Carmichael, C.D. Hatch, B. Adhikary, C.H. Twohy, D.C. Rogers, D. Baumgardner, A.J. Prenni, T. Campos, R. Gao, J. Anderson and Y. Feng (2009). J. of Geophys. Res., 114, doi:10.1029/2008JD010924.

Ramanathan, V., M. Agrawal, H. Akimoto, M. Auffhammer, S. Devotta, L. Emberson, S.I. Hasnain, M. Iyngararasan, A. Jayaraman, M. Lawrence, T. Nakajima, T. Oki, H. Rodhe, M. Ruchirawat, S.K. Tan, J. Vincent, J.Y. Wang, D. Yang, Y.H. Zhang, H. Autrup, L. Barregard, P. Bonasoni, M. Brauer, B. Brunekreef, G. Carmichael, C.E. Chung, J. Dahe, Y. Feng, S. Fuzzi, T. Gordon, A.K. Gosain, N. Htun, J. Kim, S. Mourato, L. Naeher, P. Navasumrit, B. Ostro, T. Panwar, M.R. Rahman, M.V. Ramana, M. Rupakheti, D. Settachan, A.K. Singh, G. St. Helen, P.V. Tan, P.H. Viet, J. Yinlong, S.C. Yoon, W.C. Chang, X. Wang, J. Zelikoff and A. Zhu (2008). Atmospheric Brown Clouds: Regional Assessment Report with Focus on Asia, published by the United Nations Environment Program, Nairobi, Kenya, pp. 1-360.

Ramanathan, V. (2008). Why is the Earth's Albedo 29% and was it always 29%?, ILEAPS Newsletter, Issue 5 (April), pp. 18-20.

Flanner, M.G., C.S. Zender, P.G. Hess, N.M. Mahowald, T.H. Painter, V. Ramanathan and P.J. Rasch (2008). Springtime warming and reduced snow cover from carbonaceous particles. Atmos. Chem. Phys. Discuss., 8, 19819-19859.

Ramanathan, V., Y. Feng (2008). On avoiding dangerous anthropogenic interference with the climate system: Formidable challenges ahead. Proc. Natl. Acad. Sci., 105, 14245-14250.

Adhikary, B., S. Kulkarni, A. Dallura, Y. Tang, T. Chai, L.R. Leung, Y. Qian, C.E. Chung, V. Ramanathan and G.R. Carmichael. (2008). A regional scale chemical transport modeling of Asian aerosols with data assimilation of AOD observations using optimal interpolation technique. Atmospheric Environment, 42, 8600-8615.

Spencer, M.T., J.C. Holecek, C.E. Corrigan, V. Ramanathan and K.A. Prather (2008). Size-resolved chemical composition of aerosol particles during a monsoonal transition period over the Indian Ocean. J. of Geophys. Res., 113, D16305, doi:10.1029/2007JD008657.

Roberts, G.C., M.V. Ramana, C. Corrigan, D. Kim, and V. Ramanathan (2008). Simultaneous observations of aerosol– cloud–albedo interactions with three stacked unmanned aerial vehicles. PNAS, 105(21), 7370-7375.

Ramanathan, V. and G. Carmichael (2008). Global and regional climate changes due to black carbon. Nature Geoscience, 1, 221-227.

Lau, K.-M., V. Ramanathan, G.-X. Wu, Z. Li, S.C. Tsay, C. Hsu, R. Sikka, B. Holben, D. Lu, G. Tartari, M. Chin, P. Koudelova, H. Chen, Y. Ma, J. Huang, K. Taniguchi and R. Zhang (2008). The Joint Aerosol-Monsoon Experiment. Bull. Amer. Meteor. Soc., 89, 1-15.

Corrigan, C.E., G.C. Roberts, M.V. Ramana, D. Kim and V. Ramanathan (2008). Capturing vertical profiles of aerosols and black carbon over the Indian Ocean using autonomous unmanned aerial vehicles. Atmos. Chem. & Phys., 8, 737-747.

Kim, D., and V. Ramanathan (2008). Solar radiation budget and radiative forcing due to aerosols and clouds. J. Geophys. Res., 113, D02203, doi:10.1029/2007JD008434.

Ramanathan V., M.V. Ramana, G. Roberts, D. Kim, C.E. Corrigan, C.E. Chung & D. Winker (2007). Warming trends in Asia amplified by brown cloud solar absorption. Nature, 448, 575-578 doi:10.1038/nature06019.

Nakajima et al. (2007). Overview of the Atmospheric Brown Cloud East Asian Regional Experiment 2005 and a study of the aerosol direct radiative forcing in east Asia, J. Geophys. Res., 112, D24S91, doi:10.1029/2007JD009009.

Ramanathan, V., F. Li, M.V. Ramana, P.S. Praveen, D. Kim, C.E. Corrigan, H. Nguyen (2007). Atmospheric Brown Clouds: Hemispherical and regional variations in long range transport, absorption, and radiative forcing. J. Geophys. Res., 112, D22S21, doi:10.1029/2006JD008124.

Adhikary, B., G.R. Carmichael, Y. Tang, L.R. Leung, Y. Qian, J.J. Schauer, E.A. Stone, V. Ramanathan and M.V. Ramana (2007). Characterization of the seasonal cycle of South Asian Aerosols: a regional scale modelling analysis, J. Geophys. Res., 112, D22S22, doi:10.1029/2006JD008143.

Ramana, M.V., V. Ramanathan, D. Kim, G.C. Roberts and C.E. Corrigan (2007). Albedo, Atmospheric Solar Absorption and Heating rate measurements with stacked UAVs, Quart. J. Roy. Meteor. Soc., 133, 1913-1931.

Corrigan, C.E., G.C. Roberts, M.V. Ramana, D. Kim and V. Ramanathan (2007). Capturing vertical profiles of aerosols and black carbon over the Indian Ocean using autonomous unmanned aerial vehicles, Atmos. Chem. Phys. Discuss., 7, 11429-11463.

Chung, C.E. and V. Ramanathan (2007). Relationship between trends in land precipitation and tropical SST gradient. Geophys. Res. Lett., 34, L16809, doi:10.1029/2007GL030491.

Hadley, O.L., V. Ramanathan, G.R. Carmichael, Y. Tang, G.C. Roberts, and G.S. Mauger (2007). Trans-Pacific transport of black carbon and fine aerosols (D < 2.5µm) into North America. J. Geophys. Res., 112, D05309, doi:10.1029/2006JD007632.

Zhu, A., V. Ramanathan, F. Li, and D. Kim (2007). Dust plumes over the Pacific, Indian, and Atlantic oceans: Climatology and radiative impact. J. Geophys. Res., 112, D16208, doi:10.1029/2007JD008427.

Stone, E.A., G.C. Lough, J. Schauer, P.S. Praveen, C.E. Corrigan and V. Ramanathan (2007). Understanding the origin of black carbon in the atmospheric brown cloud over the Indian Ocean. J. Geophys. Res., 112, D22S23, doi:10.1029/2006JD008118.

Ramanathan, V. (2007). Global Dimming by Air Pollution and Global Warming by Greenhouse Gases: Global and Regional Perspectives, In C.D. O'Dowd and P.E. Wagner (eds). Nucleation and Atmospheric Aerosols: 17th International Conference Galway, Ireland, pp. 473-483.

Ramanathan, V., Role of Black Carbon in Global and Regional Climate Change, Testimonial to the House Committee on Oversight and Government Reform, October 18, 2007.

Ramanathan, V., C.O. Justice, J.B. Carberry, R.E. Dickinson, E.E. Hofmann, J.W. Hurrell, J.A. Jones, R.E. Kasperson, C. Kolstad, M.C. Lemos, P. Malanotte-Rizzoli, E.S. Mosley-Thompson, G.D. Salvucci, S.E. Trumbore and T.S. Wittrig, (2007), Evaluating Progress of the U.S. Climate Change Science Program: Methods and Preliminary Results,, National Academies Press, Washington DC.

Auffhammer, M., V. Ramanathan, and J. R. Vincent (2006). Integrated model shows that atmospheric brown clouds and greenhouse gases have reduced rice harvests in India, PNAS, 10.1073/pnas.0609584104.

Wilcox, E. M., G. Roberts, and V. Ramanathan (2006). Influence of aerosols on the shortwave cloud radiative forcing from North Pacific oceanic clouds: Results from the Cloud Indirect Forcing Experiment (CIFEX), Geophys. Res. Lett., 33, L21804, doi:10.1029/2006GL027150.

Ramana, M. V., and V. Ramanathan (2006). Abrupt transition from Natural to anthropogenic aerosol radiative forcing: Observations at the ABC-Maldives Climate Observatory, J. Geophys. Res., 111, D20207, doi:10.1029/2006JD007063.

Corrigan C. E., V. Ramanathan, J. J. Schauer (2006). Impact of monsoon transitions on the physical and optical properties of aerosols, J. Geophys. Res., 111, D18208, doi:10.1029/2005JD006370.

Ramanathan, V., (2006). Global Warming, Bulletin of the American Academy of Arts and Sciences, pp. 36-38.

Chung, C. E., and V. Ramanathan, (2006). Weakening of North Indian SST Gradients and the Monsoon Rainfall in India and the Sahel, Journal of Climate, 19, 2036-2045.

Mikhailov, E. F., S. S. Vlasenko, I. A. Podgorny, V. Ramanathan, and C. E. Corrigan, (2006). Optical properties of soot-water drop agglomerates: An experimental study, J. Geophys. Res., 111, D07209, doi:10.1029/2005JD006389.

Roberts, G., G. Mauger, O. Hadley, and V. Ramanathan (2006). North American and Asian aerosols over the eastern Pacific Ocean and their role in regulating cloud condensation nuclei, J. Geophys. Res., 111, D13205, doi:10.1029/2005JD006661.

Chylek, P., Dubey, M.K., Lohmann, U., Ramanathan, V., Kaufman, Y., Lesins, G., Hudson , J., Altmann, G., and S. Olsen, (2006). Aerosol Indirect effect over the Indian Ocean. Geophysical Research Letters, Vol. 33, L06806, doi:10.1029/2005GL025397,

Jacob, D., R. Avissar, G. C. Bond, S. Gaffin, J. Kiehl, J. Lean, U. Lohmann, M. Mann, R. Pielke, Jr., V. Ramanathan, and L. Russell, 2005: "Radiative Forcing of Climate Change: Expanding the Concept and Addressing Uncertainties," (Washington, DC: The National Academies Press, 2005), pp. 224.

Chung, C.E., V. Ramanathan, D. Kim, and I. A. Podgorny, (2005). Global Anthropogenic Aerosol Direct Forcing Derived from Satellite and Ground-Based Observations. J. Geophys. Res., 110, D24207, doi:10.1029/2005JD006356.

Ramanathan, V. and M. V. Ramana, (2005). Persistent, Widespread, and Strongly Absorbing Haze Over the Himalayan Foothills and the Indo-Ganges Plains. Pure and Applied Geophysics, Vol. 162, 1609-1626.

Tanre, D., Y. Kaufman, T. Nakajima, and V. Ramanathan, (2005). Preface to Special Section on Global Aerosol System. J. Geophys. Res. Atmospheres, Vol. 110, D10S01, doi:10.1029/2004JD005724.

Ramanathan, V., C. Chung, D. Kim, T. Bettge, L. Buja, J. T. Kiehl, W. M. Washington, Q. Fu, D. R. Sikka, and M. Wild, (2005). Atmospheric Brown Clouds: Impacts on South Asian Climate and Hydrological Cycle. PNAS, Vol. 102, No. 15, 5326-5333.

Di Girolamo, L., T. C. Bond, D. Bramer, D. J. Diner, F. Fettinger, R. A. Kahn, J. V. Martonchik, M. V. Ramana, V. Ramanathan, and P. J. Rasch, (2004). Analysis of Multi-angle Imaging SpectroRadiometer (MISR) Aerosol Optical Depths Over Greater India During Winter 2001-2004. Geophy. Res. Lett., Vol. 31, L23115, doi:10.1029/2004GL021273.

Chung, E. S., B. J. Sohn, and V. Ramanathan, (2004). Moistening Processes in the Upper Troposphere by Deep Convection: A Case Study Over the Tropical Indian Ocean. Journal of the Meteorological Society of Japan , Vol. 82, No. 3, 959-965.

Ramana, M. V., V. Ramanathan, I. A. Podgorny, B. B. Pradhan, and B. Shrestha, (2004). The Direct Observations of Large Aerosol Radiative Forcing in the Himalayan Region. Geophy. Res. Lett., 31, L05111, doi:10.1029/2003GL018824.

Li, F., A. M. Vogelmann and V. Ramanathan, (2004). Saharan Dust Aerosol Radiative Forcing Measured from Space. J. Climate, 17(13), 2558-2571.

Inamdar, Anand K., V. Ramanathan, and Norman G. Loeb, (2004). Satellite Observations of the Water Vapor Greenhouse Effect and Column Longwave Cooling Rates: Relative Roles of the Continuum and Vibration-Rotation to Pure Rotation Bands. J. Geophys. Res. Atmospheres, 109, D06104, doi:10.1029/2003JD003980.

Chung, C. E. and V. Ramanathan, (2004). Aerosol Loading Over the Indian Ocean and Its Possible Impact on Regional Climate. Indian Journal of Marine Science, 33, 1, 40-55.

Crutzen, P. J. and V. Ramanathan, 2003: "Atmospheric Chemistry and Climate in the Anthropocene: Where Are We Heading?" in Earth System Analysis for Sustainability, Hans Joachim Schellnhuber, Paul J. Crutzen, William C. Clark, Martin Claussen and Hermann Held, Eds. (Cambridge, MA: MIT Press, 2004), pp. 265-292.

Novakov, T., V. Ramanathan, J. E. Hansen, T. W. Kirchstetter, M. Sato, J.E. Sinton and J. A. Sathaye, (2003). Large Historical Changes of Fossil-Fuel Black Carbon Aerosols. Geophy. Res. Lett., Vol. 30, No. 6, 1324, doi:10.1029/2002GL016345, 57-1 to 57-4.

Crutzen, P.J. and V. Ramanathan, (2003). The Parasol Effect in Climate. Science, 302, 1679-1681.

Ramanathan, V. and M. V. Ramana, (2003). Atmospheric Brown Clouds: Long Range Transport and Climate Impacts. EM, December 2003, 28-33.

Tian, Baijun and V. Ramanathan, (2003). A Simple Moist Tropical Atmosphere Model: Role of Cloud Radiative Forcing. J. Climate, 16, 2086-2092.

Ramanathan, V. and P. J. Crutzen, (2003). New Directions: Atmospheric Brown "Clouds". Atmospheric Environment, 37, 4033-4035.

Podgorny, I. A., F. Li and V. Ramanathan, (2003). Large aerosol radiative forcing due to the 1997 Indonesian forest fire. Geophy. Res. Lett., 30(1), 1028, doi:10.1029/2002GL015979.

Ramanathan, V. and Tim P. Barnett, (2003). Experimenting with Earth. The Wilson Quarterly, Spring Issue, 78-84.

Chung, C. E. and V. Ramanathan, (2003). South Asian Haze Forcing: Remote Impacts with Implications to ENSO and AO. J. Climate, 16, 1791-1806.

Satheesh, S.K., V. Ramanathan, B.N. Holben, K. K. Moorthy, N.G. Loeb, H. Maring, J.M. Prospero, D. Savoie, (2002). Chemical, microphysical, and radiative effects of Indian Ocean aerosols. J. Geophys. Res., 107, D23, 4725, doi:10.1029/2002JD002463.

UNEP and C4, (2002). The Asian Brown Cloud: Climate and Other Environmental Impacts. UNEP, Nairobi .

Meywerk, J., and V. Ramanathan, (2002). Influence of Anthropogenic Aerosols on the Total and Spectral Irradiance on the Sea Surface During INDOEX 1999. J. Geophys. Res. Atmospheres, 107, D19, 8018, doi: 10.1029/2000JD000022, 2002. 17-1 to 17-14.

Markowicz, K.M., P. Flatau, M.V. Ramana, P.J. Crutzen, and V. Ramanathan, (2002). Absorbing Mediterranean Aerosols Lead to a Large Reduction in Solar Radiation at the Surface. Geophy. Res. Lett., 29(20), 1968, doi:10.1029/2002GL015767.

Li, F. and V. Ramanathan, (2002). Winter to Summer Monsoon Variation of Aerosol Optical Depth Over the Tropical Indian Ocean. J. Geophys. Res. Atmospheres, 107(D16), 4284, doi:10.1029/2001JD000949, AAC 2-1 to AAC 2-13.

Tian, B., and V. Ramanathan, (2002). Role of Tropical Clouds in Surface and Atmospheric Energy Budget. J. Climate, 15, 296-305.

Ramanathan, V., P. J. Crutzen, A. P. Mitra and D. Sikka, (2002). The Indian Ocean Experiment and the Asian Brown Cloud. Current Science, Vol. 83, No. 8, 947-955.

Krishnan, R., and V. Ramanathan, (2002). Evidence of Surface Cooling from Absorbing Aerosols. Geophy. Res. Lett., Vol. 29 No. 9, 10.1029/2002GL014687.

Chung, C. E., V. Ramanathan and Jeffrey T. Kiehl, (2002). Effects of the South Asian Absorbing Haze on the Northeast Monsoon and Surface-Air Heat Exchange. J. Climate, 2462-2476.

Lelieveld, J, H. Berresheim, S. Borrmann, P. J. Crutzen, F. J. Dentener, H. Fischer, J. Feichter, P. J. Flatau, J. Heland, R. Holzinger, R. Korrmann, M. G. Lawrence, Z. Levin, K. M. Markowicz, N. Mihalopoulos, A. Minikin, V. Ramanathan, M. de Reus, G. J. Roelofs, H. A. Scheeren, J. Sciare, H. Schlager, M. Schultz, P. Siegmund, B. Steil, E. G. Stephanou, P. Stier, M. Traub, C. Warneke, J. Williams, and H. Ziereis, (2002). Global Air Pollution Crossroads Over the Mediterranean. Science, 298, 794-799.

Crutzen, P. J. and V. Ramanathan, 2002: "The Ascent of Atmospheric Sciences," in Science, Pathways of Discovery, I. Amato, Ed. (New York: John Wiley & Sons, Inc., 2002), pp. 175-188.

Rajeev, K. and V. Ramanathan, (2002). The Indian Ocean Experiment: Aerosol Forcing Obtained From Satellite Data. Adv. Space Res., 29, No. 11, 1731-1740, 2002 COSPAR.

Ramanathan, V., P. J. Crutzen, J. T. Kiehl and D. Rosenfeld, (2001). Aerosols, Climate, and The Hydrological Cycle. Science, 294, 2119-2124.

Crutzen, P. and V Ramanathan, (2001). The Indian Ocean Experiment: Foreword. INDOEX Special Issue. J. Geophys. Res. Atmospheres, 106 (D22), 28,369-28,371.

Ramanathan, V., P.J. Crutzen, J. Lelieveld, A.P. Mitra, D. Althausen, J. Anderson, M.O. Andreae, W. Cantrell, G.R. Cass, C.E. Chung, A.D. Clarke, J.A. Coakley, W.D. Collins, W.C. Conant, F. Dulac, J. Heintzenberg, A.J. Heymsfield, B. Holben, S. Howell, J. Hudson, A. Jayaraman, J.T. Kiehl, T.N. Krishnamurti, D. Lubin, G. McFarquhar, T. Novakov, J.A. Ogren, I.A. Podgorny, K. Prather, K. Priestley, J.M. Prospero, P.K. Quinn, K. Rajeev, P. Rasch, S. Rupert, R. Sadourny, S.K. Satheesh, G.E. Shaw, P. Sheridan and F.P.J. Valero (2001). The Indian Ocean Experiment: An Integrated Assessment of the Climate Forcing and Effects of the Great Indo-Asian Haze. J. Geophys. Res. Atmospheres,106, (D 22), 28371-28399.

Podgorny, I. A., and V. Ramanathan, (2001). A Modeling Study of the Direct Effect of Aerosol over the Tropical Indian Ocean. J. Geophys. Res. Atmospheres,106 (D20), 24097-24105.

Eck, T.F., B.N. Holben, O. Dubovik, A. Smirnov, I. Slutsker, J.M. Lobert, and V. Ramanathan, (2001). Column Integrated Aerosol Optical Properties over the Maldives During the NE Monsoon for 1998-2000. J. Geophys. Res. Atmospheres, 106 (D22), 28555-28566.

Rajeev, K. and V. Ramanathan, (2001). Direct Observations of Clear-Sky Aerosol Radiative Forcing from Space during the Indoex Ocean Experiment. J. Geophys. Res. Atmospheres, 106 (D15): 17221-17236.

Jayaraman, A., S.K. Satheesh, A.P. Mitra and V. Ramanathan, (2001). Latitude gradient in aerosol properties across the Inter Tropical Convergence Zone: Results from the joint Indo-US study onboard Sagar Kanya. Current Science, Vol. 80, April 2001, 128-137.

Wilcox, E. M., and V. Ramanathan, (2001). Scale Dependence of the Thermodynamic Forcing of Tropical Monsoon Clouds: Results from TRMM Observations. J. Climate, 14: 1511-1524.

Vogelmann, A.M., V. Ramanathan and I. A. Podgorny, (2001). Scale Dependence of Solar Heating Rates in Convective Cloud Systems with Implications to General Circulation Models. J. Climate, 14(N8): 1738-1752.

Tian, B., G. Zhang and V. Ramanathan, (2001). Heat Balance in the Pacific Warm Pool Atmosphere during TOGA COARE and CEPEX. J. Climate, 14(N8): 1881-1893.

Lelieveld, J., P. J. Crutzen, V. Ramanathan et al., (2001). The Indian Ocean Experiment: Widespread Air Pollution from South and Southeast Asia. Science, 291: 1031-1036.

Novakov, T., M.O. Andreae, R. Gabriel, T.W. Kirchstetter, O.L. Mayol-Bracero, and V. Ramanathan, (2000). Origin of Carbonaceous Aerosols over the Tropical Indian Ocean: Biomass Burning or Fossil Fuels? Geophy. Res. Lett., 27, 4061-4064.

Lubin, D, A. Vogelmann, P. J. Lehr, A. Kressin, J. Ehramjian, and V. Ramanathan, (2000). Validation of Visible/Near-IR Atmospheric Absorption and Solar Emission Spectroscopic Models at 1 cm-1 Resolution. J. Geophys. Res. Atmospheres, 105(D17): 22,445-22,454.

Crutzen, P. J., and V. Ramanathan, (2000). Pathways of Discovery: The Ascent of Atmospheric Science. Science, 290: 299-304.

Satheesh, S.K. and V. Ramanathan, (2000). Large Differences in Tropical Aerosol Forcing at the Top of the Atmosphere and Earth’s surface. Nature, 405: 60-63.

Rajeev, K., V. Ramanathan and J. Meywerk, (2000). Regional Aerosol Distribution and its Long Range Transport over the Indian Ocean. J. Geophys. Res. Atmospheres, 105(D2): 2029-2043.

Roca, R. and V. Ramanathan, (2000). Scale Dependence of Monsoonal Convective Systems over the Indian Ocean. J. Climate, 13: 1286-1297.

Ackerman, A. S., O.B. Toon, D.E. Stevens, A.J. Heymsfield, V. Ramanathan and E.J. Welton, (2000). Reduction of Tropical Cloudness by Soot. Science, 288: 1042-1047.

Podgorny, I.A., W. Conant, V. Ramanathan and S.K. Satheesh, (2000). Aerosol Modulation of Atmospheric and Surface Solar Heating Over the Tropical Indian Ocean. Tellus, 52B: 947-958.

Lelieveld, J., V. Ramanathan and P.J. Crutzen, Dec 1999: The Global Effects of Asian Haze. IEEE SPECTRUM, 50-54.

Thyagarajan, K.S., G. Bendak, E.R. Boer and V. Ramanathan, 1999: A Strategy for Satellite Data Archival. Low Noise Variable-Rate Vector Quantization with Application to AVHRR Satellite Images: A Tutorial Review. Image Communication, 14: 245-267.

Meywerk, J. and V. Ramanathan, 1999: Observations of the Spectral Clear-Sky Aerosol Forcing over the Tropical Indian Ocean. J. Geophys. Res. Atmospheres, 104(D20): 24359-24370.

Satheesh, S.K., V. Ramanathan, X. L-Jones, J.M. Lobert, I.A. Podgorny, J.M. Prospero, B. N. Holben and N.G. Loeb, 1999: A Model for the Natural and Anthropogenic Aerosols over the Tropical Indian Ocean Derived from Indian Ocean Experiment Data. J. Geophys. Res. Atmospheres, 104(D22): 27421-27440.

Inamdar, A. and V. Ramanathan, 1998: Tropical and Global Scale Interactions Among Water Vapor, Atmospheric Greenhouse Effect, and Surface Temperature. J. Geophys. Res. Atmospheres, 103(D24): 32,177-32,194.

Krishnamurti,T.N., B. Jha, J. Prospero, A. Jayaraman and V. Ramanathan. 1998: Aerosol and Pollutant Transport and their Impact on Radiative Forcing over the Tropical Indian Ocean During the January-February 1996 Pre-INDOEX Cruise. Tellus 50B(5): 521-542.

Conant, W. C., A. M. Vogelmann and V. Ramanathan, 1998: The Unexplained Solar Absorption and Atmospheric H2O: A Direct Test using Clear-Sky Data. Tellus, 50A: 525-533.

Galinsky, V.L. and V. Ramanathan, 1998: 3D Radiative Transfer in Weakly Inhomogeneous Medium. Part I: Diffusive Approximation. J. Atmos. Sci., 55: 2946-2959.

Vogelmann, A.M., V. Ramanathan, W.C. Conant and W.E. Hunter, 1998: Observational Constraints on Non-Lorentzian Continuum Effects in the Near-Infrared Solar Spectrum using ARM ARESE Data. J. Quant. Spectroscopic and Rad. Transfer, 60(2): 231-246.

Jayaraman, A., D. Lubin, S. Ramachandran, V. Ramanathan, E. Woodbridge, W.D. Collins and K.S. Zalpuri, 1998: Direct Observations of Aerosol Radiative Forcing over the Tropical Indian Ocean During the January-February 1996 Pre-INDOEX Cruise. J. Geophys. Res. Atmospheres, 103(D12): 13827-13836.

Podgorny, I.A., A.M. Vogelmann, and V. Ramanathan, 1998: Effects of Cloud Shape and Water Vapor Distribution on Solar Absorption in the Near Infrared. Geophy. Res. Lett., 25(11): 1899-1902.

Ramanathan, V., 1998: Trace Gas Greenhouse Effect and Global Warming, Underlying Principles and Outstanding Issues. Ambio, 27(3): 187-197.

Weaver, C.P. and V. Ramanathan, 1998: “Extratropical Cloud Systems and Cloud Radiative Forcing,” in Clear and Cloud Boundary Layers. B. Hotslag and P. Duynkerke, Eds. (North Holland Publishers), pp. 241-263.