AOS Faculty Profile
Lecturer with Rank of Professor, Ph.D. SUNY-Albany
Address: 257 GFDL
Phone: (609) 452-6510
Email: V.Ramaswamy at noaa.gov
Radiative Transfer, Climate Perturbations by Greenhouse Gases and Aerosols Cloud-Climate Interactions; Regional and Global Climate Variations and Change
The principal focus of my research is the investigation of the climatic effects due to radiatively active gases, aerosols and clouds in the atmosphere. Radiative transfer models of high precision have been developed to determine the forcing exerted by different species upon the surface-atmosphere system. Currently, the perturbations due to changing concentrations of greenhouse gases and aerosols since pre-industrial times are being examined. Numerical models of the atmosphere are used to study the transport and transformation of the species, and to assess their climatic impacts.
Another major research aim is to understand the hydrologic cycle in the atmosphere, in particular the processes governing the distribution of water vapor, and the formation, maintenance and dissipation of clouds. The physical properties of aerosols and clouds play a significant role in the radiative balance of the planet, and their accurate evaluation is essential for resolving issues concerning global change. Mathematical models of varying complexity are employed to study different aspects of the global cloud-climate interactions problem. This effort is aided by diagnostic analyses of data drawn from a variety of meteorological and satellite observations.
Some Recent Publications:
Seinfeld, J H., C S Bretherton, K S Carslaw, H Coe, P J DeMott, E J Dunlea, G Feingold, S Ghan, A Guenther, R A Kahn, I Kraucunas, S M Kreidenweis, M J Molina, A Nenes, J Penner, K A Prather, V Ramanathan, and V Ramaswamy, et al., May 2016: Improving our fundamental understanding of the role of aerosol−cloud interactions in the climate system . Proceedings of the National Academy of Sciences, 113(21), doi:10.1073/pnas.1514043113.
Simmons, A, J-L Fellous, V Ramaswamy, and K E Trenberth, et al., May 2016: Observation and integrated Earth-system science: A roadmap for 2016-2025 . Advances in Space Research, 57(10), doi:10.1016/j.asr.2016.03.008.
Zhao, Ming, J-C Golaz, Isaac M Held,V Ramaswamy, Shian-Jiann Lin, Yi Ming, Paul Ginoux, Bruce Wyman, Leo J Donner, David J Paynter, and Huan Guo, January 2016: Uncertainty in model climate sensitivity traced to representations of cumulus precipitation microphysics . Journal of Climate, doi:10.1175/JCLI-D-15-0191.1.
Lin, Pu, Yi Ming, and V Ramaswamy, February 2015: Tropical Climate Change Control of the Lower Stratospheric Circulation . Geophysical Research Letters, 42(3), doi:10.1002/2014GL062823.
Bollasina, Massimo, Yi Ming, V Ramaswamy, M Daniel Schwarzkopf, and Vaishali Naik, January 2014: Contribution of Local and Remote Anthropogenic Aerosols to the 20th century Weakening of the South Asian Monsoon . Geophysical Research Letters, 41(2), doi:10.1002/2013GL058183.
Ocko, I B., V Ramaswamy, and Yi Ming, July 2014: Contrasting Climate Responses to the Scattering and Absorbing Features of Anthropogenic Aerosol Forcings . Journal of Climate, 27(14), doi:10.1175/JCLI-D-13-00401.1.
Paynter, David J., and V Ramaswamy, September 2014: Investigating the impact of the shortwave water vapor continuum upon climate simulations using GFDL global models . Journal of Geophysical Research, 119(8), doi:10.1002/2014JD021881.
Persad, Geeta, Yi Ming, and V Ramaswamy, September 2014: The Role of Aerosol Absorption in Driving Clear-Sky Solar Dimming over East Asia . Journal of Geophysical Research, 119(17), doi:10.1002/2014JD021577.
Stocker, T F., and V Ramaswamy, et al., March 2014: Technical Summary In Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, UK, and New York, NY, 33-115.