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Kiran Alapaty, Ph.D.
AMAD Staff Education:
- M.S., Aerospace Engineering, Indian Institute of Sciences, 1987.
- Ph.D., Atmospheric Science, North Carolina State University, 1992.
Professional Experience:
- 2011–present: Chief,, Applied Modeling Branch, U.S. Environmental Protection Agency, Research Triangle Park, NC.
- 2006–2010: Program Director, Atmospheric System Research/ARM, Department of Energy, Washington, D.C.
- 2004–2006: Program Director, Climate & Large-scale Dynamics, National Science Foundation, Washington, D.C.
- 2003–2004: Research Associate Professor, University of North Carolina, Chapel Hill, NC.
- 1993–2002: Research Scientist, North Carolina Supercomputing Center, Research Triangle Park, NC.
- 1989–1992: Meteorologist, Computer Science Corporation, Research Triangle Park, NC.
Professional Honors:
- 2006-2010: Member, Science and Infrastructure Steering Committe, Department of Energy.
- 2004-2006: Ex-officio member of the NCAR Community Earth System Model (CESM) Scientific Steering Committee. .
- 2004-2006: Ex-officio member of the CCSM Advisory Board (CAB).
Peer Reviewed Publications:
K. Alapaty, R. Mathur, J. Pleim, C. Hogrefe, S.T. Rao, V. Ramaswamy, S. Galmarini, M. Schaap, P. Makar, R. Vautard, A. Baklanov, G. Kallos, B. Vogel, R. Sokhi, 2012: New Directions: Understanding interactions of air quality and climate change at regional scales Atmospheric Environment, in Press.
Wu Zhiyong, X. Wang, A. A. Turnipseed, F. Chen, A. B. Guenther, T. Karl, L. G. Huey, D. Niyogi, B. Xia, K. Alapaty, 2012: Comparison of the dry deposition velocities for peroxyacetyl nitrate (PAN) by two community models with the observations over a coniferous forest, Journal of Geophysical Research, in Press.
Wu Z., X. Wang, F. Chen, A. A. Turnipseed, A. B. Guenther, D. Niyogi, U. Charusombat*, B. Xia, J. W. Munger, K. Alapaty, 2011 Evaluating the calculated dry deposition velocities of reactive nitrogen oxides and ozone from two community models over a temperate deciduous forest, 45, 2663-2674. doi:10.1016/j.atmosenv.2011.02.063.
Charusombat* U., D. Niyogi, A. Kumar, X. Wang, F. Chen, A. Guenther, A. Turnipseed, K. Alapaty, 2010: Evaluating a new Deposition Velocity Module in the Noah land surface model, Boundary-Layer Meteorology, DOI : 10.1007/s10546-010-9531-y.
Vinodkumar, A.Chandrasekar, Dev Niyogi and K. Alapaty, 2010, Impact of Land Surface Representation and Surface Data Assimilation on the Simulation of an Off-Shore Trough over the Arabian Sea. Global Planetary Change, doi:10.1016/j.gloplacha.2008.12.004.
Niyogi, D., K. Alapaty, S. Raman, and F. Chen, 2009, Development and Evaluation of a Coupled Photosynthesis-Based Gas Exchange Evapotranspiration Model (GEM) for Mesoscale Weather Forecasting Applications. J. Appl. Meteor. Climatol., 48, 349-368..
Vinodkumar, A. Chandrasekar, K. Alapaty, and D. Niyogi, 2009: Assessment of data assimilation approaches for the simulation of a monsoon depression over the Indian monsoon region, Boundary-Layer Meteorology, 133:343-366, DOI 10.1007/s10546-009-9426-y..
Vinodkumar, A.Chandrasekar, K. Alapaty, and Dev Niyogi, 2008: The Impacts of Indirect Soil Moisture Assimilation and Direct Surface Temperature and Humidity Assimilation on a Mesoscale Model Simulation of an Indian Monsoon Depression. Journal of Applied Meteorology and Climatology, 47, No. 5, 1393–1412..
Niyogi D., K. Alapaty, S. Raman, F. Chen, 2008: Development and Evaluation of a Coupled Photosynthesis-Based Gas Exchange Evapotranspiration Model (GEM) for Mesoscale Weather Forecasting Applications. Journal of Applied Meteorology and Climatology, 47, No. 12, 3251–3269..
Alapaty, K, D.S. Niyogi, F. Chen, A. Chandrasekar, and N. Seaman, 2008: Development of the Flux-Adjusting Surface Data Assimilation System using the MM5 model. Journal of Applied Meteorology and Climatology, 47, No. 9, 2331–2350..
Mihailovic, D.T., K. Alapaty, and M. Sakradzija, 2008: Development of a non-local convective mixing scheme with varying upward mixing rates for use in chemical transport models. Environ. Sci. and Poll. Res. 15, No. 4, 296-302..
V.F. Xavier, A.Chandrasekar, Hasibur Rahman, Dev Niyogi and K. Alapaty, 2008: The effect of satellite and conventional meteorological data assimilation on the mesoscale modeling of monsoon depressions over India. Meteorology and Atmospheric Physics, Meteorological and Atmospheric Physics (DOI: 10.1007/s00703-008-0314-7), (2008)
Vinodkumar, A.Chandrasekar, K. Alapaty and D.S. Niyogi, 2007, The effect of a surface data assimilation technique and the traditional four-dimensional data assimilation on the simulation of a monsoon depression over India using a mesoscale model, Natural Hazards, 42, 439-453.
Mihailovic, D.T., and K. Alapaty, 2007: Intercomparison of two K-schemes: Local versus non-local in calculating concentrations of pollutants in chemical and air-quality models. Environmental Modelling & Software, 22 (11), 1685-1689.
Alapaty, K, and D.T. Mihailovic, 2006: An Intercomparison Study of Two Land Surface Models Using a 1-D Model and FIFE Measurements. International Journal of Climate, Vol. 26, 915-934..
Niyogi D.S., K. Alapaty, S. Phillips, V. Aneja, 2006, Considering ecological formulations for estimating deposition velocity in air quality models, Intrnl. J. of Global Environmental Issues, 6, 270 - 284..
Niyogi D., Crabbe C., Saxena V., Pielke R. Sr., Eastman J., Xue Y., K. Alapaty, Chen F., Wilson K., 2006, Aerosol loading affects terrestrial carbon exchange, Geophysical Research Letters. .
Mihailovic, D.T., S.T. Rao, K. Alapaty, and J.Y. Ku, I. Arsenic and B. Lalic, 2005: “A study on the effects of subgrid-scale representation of land use on the boundary layer evolution using a 1-D model", Environmental Modelling & Software 20: 705-714.
Mathur, R., A. Hanna, M.T. Odman, J. McHenry, U. Shankar, C. Coats, K. Alapaty, A. Xiu, C. Jang, D. Olerud, S. Fine, K. Galluppi, D. Byun, K. Schere, F. Binkowski, J. Ching, R. Dennis, J. Novak, T. Pierce, J. Pleim, S. Roselle, J. Young, 2005: The Multiscale Air Quality Simulation Platform (MAQSIP): An Overview Of Model Formulation And Initial Applications. Journal of Geophysical Research – Atmospheres.
Mihailovic, D.T., K. Alapaty, B. Lalic, I. Arsenic, B. Rajkovic, and S. Malinovic, 2004: Turbulent transfer coefficients and calculation of air temperature inside the tall grass canopies in coupled land-atmosphere schemes for environmental modeling. Journal of Applied Meteorology, 43, 1498–1514.
Niyogi D., H. Chang*, V. K. Saxena, T .Holt, K. Alapaty, F. Booker, F. Chen, K.J. Davis, B. Holben, T. Matsui*, T. Meyers, W.C. Oechel, R. A. Pielke Sr., R. Wells, K. Wilson, Y.K. Xue, 2004, Direct observations of the Effects of Aerosol loading on Net Ecosystem CO2 Exchanges over Different Landscapes, Geophysical Research Letters, 31, L20506, doi:10.1029/2004GL020915. NASA Press Release: http://www.nasa.gov/vision/earth/environment/aerosol_carbon.html .
Niyogi, D.S., K. Alapaty, and S. Raman, 2003: Photosynthesis-based Dry Deposition Modeling Approach. Water, Air, and Soil Pollution, 144, 171 - 194.
Alapaty, K., N.L. Seaman, D.S. Niyogi, and A.F. Hanna, 2001: Assimilating Surface Data to Improve the Accuracy of Atmospheric Boundary Layer Simulations. Journal of Applied Meteorology, 40, 2068-2082.
C. Hogrefe, S.T. Rao, P. Kasibhatla, G. Kallos, C.J. Tremback, W. Hao, D. Olerud, A. Xiu, J. McHenry, and K. Alapaty, 2001: Evaluating the performance of regional-scale photochemical modeling systems: Part I-meteorological predictions. Atmospheric Environment, 35, 4159-4174.
G.S. Faluvegi, K. Alapaty , H. Reichle, S. Raman, V. Connors, and R. Mathur, 1999: Simulation of Carbon Monoxide Transport During April 1994. Journal of Geophysical Research –Atmospheres, 104, 21,471-21,485.
Niyogi, D.S., K. Alapaty, and S. Raman, 1999: Uncertainty in the Specification of Surface Characteristics, Part 2: Hierarchy of Interaction-Explicit Statistical Analysis. Boundary-Layer Meteorology, 91, 341-366.
Raman, S., U. Mohanty, N. Reddy, K. Alapaty, and R. Madala, 1998: Numerical simulation of the Sensitivity of Summer Monsoon Circulation and Rainfall over India to Land Surface Processes, Pure Appl. Geophys., 152, 781-809.
Alapaty, K., and R. Mathur, 1998: Effects of Atmospheric Boundary Layer Mixing Representations on Vertical Diffusion of Passive and Reactive Tracers. Meteorology and Atmospheric Physics , 69, 101-118.
Niyogi, D.S., S. Raman, and K. Alapaty, 1998: Comparison of four different stomatal resistance schemes, part-II: Analysis of terrestrial biosphere atmosphere interactions. Journal of Applied Meteorology , 37, 1301-1320.
Alapaty, K., R. Mathur, and T. Odman, 1998: Intercomparison of Spatial Interpolation Schemes for Use in Nested Grid Models, Mon. Wea. Rev., 126, 243-249.
Niyogi, D.S., S. Raman, and K. Alapaty, and Jongli Han, 1997: A dynamic-statistical experiment for atmospheric interactions. Environmental Modeling and Assessment, 2, 307-322.
Alapaty, K., J. Pleim, S. Raman, D.S. Niyogi, and D.W. Byun,1997: Simulation of Atmospheric Boundary Layer Processes using Local- and Nonolocal-Closure Schemes. Journal of Applied Meteorology , 36, 214-233.
Alapaty, K., S. Raman, and D.S. Niyogi, 1997: Uncertainty in the Specification of Surface Characteristics : A Study of Prediction Errors in the Boundary Layer. Boundary-Layer Meteorology , 82, No. 3, 473-500.
Alapaty, K., S. Raman, U.C. Mohanty and R.V. Madala, 1995: Sensitivity of Monsoon circulations to changes in Sea Surface Temperature. Atmospheric Environment., 29, 2139-2156.
Alapaty, K., D.T. Olerud, K. Schere and A.F. Hanna, 1995: Sensitivity of Regional Oxidant Model Predictions to Diagnostic and Prognostic Meteorological Fields. Journal of Applied Meteorology, 34, 1787-1801.
Alapaty, K., S. Raman and R.V. Madala, 1994: Investigation of the Role of the Boundary Layer Processes in an active Monsoon using a Mesoscale Model. Boundary-Layer Meteorology, 67, 407-426.
Alapaty, K., S. Raman, R.V. Madala and U.C. Mohanty, 1994: Monsoon Rainfall Simulations with Kuo and Betts-Miller schemes. Meteorology and Atmospheric Physics, 53, 33-49.
Alapaty, K., R.V. Madala and S. Raman, 1994: Numerical Simulation of Orographic-Convective Rainfall using Kuo and Betts-Miller cumulus parameterization schemes. Journal of Meteorological Society of Japan, 72, 123-137.
Alapaty, K., R.V. Madala and S. Raman, 1993: Sensitivity of Monsoon Rainfall Predictions to Initialization Procedures. Atmospheric Research, 30, 157-170.
Alapaty, K., and S. Raman, 1989: A study of the Seasonal Migration of ITCZ and the Quasi-periodic Oscillations in simple Monsoon System using a Global Energy Balance Model. Journal of Meteorology and Atmospheric Physics, 41, 191-211.
M. Sankar-Rao and K. Alapaty, 1988: Preliminary Results on the Migration of Tropical Rainfall Zone in a Simple Climate Model. Atmosfera, 1, 173-193.
Recent Conference Presentations:
Alapaty, K., S. Xie, J. Herwehe, and S. Mishra, 2011: Estimation of Relaxation Timescale for Shallow Convective Clouds using TWP-ICE Measurements. Presented at AGU Fall 2011 Meeting, American Geophysical Union, San Francisco, CA, 6 December 2011.
Alapaty, K., 2008: Development and Testing of the Dynamic Formulation of Relaxation Timescale for use in Cumulus Convection Parameterizations. 2008 AGU Fall Meeting, 15-19 December, San Francisco, CA.
Hanna, A., K. Alapaty, S. Arunachalam, R. Mathur, 2008: Development of a Variable-Grid Resolution Air Quality Model. The 88th American Meteorological Society (AMS) Annual Meeting, 20 – 24 January 2008, New Orleans, LA.
Alapaty, K., 2007: Development of a first-order unified parameterizations for boundary layer, shallow clouds, and deep convection clouds for use in global climate models. 17th Annual ARM science Team Meeting, Monterey, CA.