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MailStop: 242-4 NASA Ames Research Center Moffett Field, CA 94035 E-mail:
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Internet: http://ecocast.arc.nasa.gov
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Research Interests Ecological forecasting, ecosystem modeling, remote sensing Education: Ph.D, Ecological Modeling and Remote Sensing, 1987 University of Montana, Missoula, MT, U.S.A Dissertation: Mapping forest evapo-transpiration and photosynthesis by coupling satellite data with ecosystem simulation. Graduate Advisor: Dr. Steven W. Running
M.S., Applied Meteorology, 1982 Punjab Agri. University, Ludhiana, India Thesis: Influence of shelterbelts on the microclimate and yield of groundnut crop. Graduate Advisor: Dr. Harpal Singh Mavi
B.S, Agriculture, 1979 A.P. Agcl. University, Hyderabad, India
Professional Experience
Senior Research Scientist, NASA, 2003- Research Associate Professor, 1996-2002 NTSG/School of Forestry, University of Montana
National Research Council Fellow, 1997-1998 NASA/Ames Research Center, Moffett Field, CA
Research Assistant Professor, 1991-1995 NTSG/School of Forestry, University of Montana
Post-Doctoral Fellow, 1990-1991 Department of Geography, University of Toronto, Canada
Professional activities
MODIS Science Team member LANDSAT Science Team member Member of AGU, IEEE, AIAA and AGU Publications:
In Press Hu, J., R.R. Nemani et al., 2006. A rank based algorithm for aggregating land cover maps with minimal information loss, Int. Journal of Geographic Information Science (in press).
Feihua, Y., M.A. White, A.R. Michaelis, K. Ichii, H. Hashimoto, P. Votava, A. Zhu and R. Nemani. 2006. Prediction of continental scale evapotranspiration by combining MODIS and AmeriFlux data through support vector machine. IEEE Trans. Geosci. & Remote Sensing (in press).
Itchii, K., Nemani R.R et al., 2005. Evaluation of snow models in terrestrial biosphere models using ground observation and satellite data: Impact on terrestrial ecosystem processes, Remote Sensing of Environment (in press).
Nemani,RR Petr Votava, Andy Michaelis, Michael White, Forrest Melton, Joseph Coughlan, Keith Golden, Hirofumi Hashimoto, Kazuhito Ichii, Lee Johnson, Matt Jolly, Cristina Milesi, Ranga Myneni, Lars Pierce, Steve Running, Christina Tague, and Wanlin Pang. 2006. Terrestrial Observation and Prediction System (TOPS): Developing ecological nowcasts and forecasts by integrating surface, satellite and climate data with simulation models. In: Research and Economic Applications of Remote Sensing Data Products" Eds : U. Aswathanarayana (India) & R. Balaji (USA), American Geophysical Union Book Series (in press).
Ichii K, Nemani R.R et al., 2006. Constraining rooting depths in tropical rainforests using satellite data and ecosystem modeling for accurate simulation of GPP seasonality. Global Change Biology, (accepted July 2006).
Hashimoto, H., Nemani et al., 2006. Satellite based estimation of surface vapor pressure deficits using MODIS land surface temperature data. Remote Sensing of Environment, (in press).
Yang et al., 2006
Zhao, M., S. W. Running, and R. R. Nemani (2006). "Sensitivity of Moderate Resolution Imaging Spectroradiometer (MODIS) terrestrial primary production to the accuracy of meteorological reanalyses." Journal of Geophysical Research 111: G01002, doi:10.1029/2004JG000004.
Potter, Klooster, Nemani et al., 2006. Carbon budgets for ecosystems of the continental U.S., Trans of EOS (in press)
Heinsch, F.A., Nemani et al., 2006. Evaluation of remote sensing based terrestrial producitivity from MODIS using regional tower eddy flux network observations. IEEE Trans. Remote Sensing, 44 (7): 1908-1925
Wenze,Y., Nemani, R.R et al., 2006. Analysis of Leaf Area Index and Fraction Vegetation Absorbed PAR Products from the Terra MODIS Sensor: 2000-2004, IEEE Transactions on Geoscience and Remote Sensing 44 (7): 1829-1842.
Yang WZ, Tan B, Huang D, Nemani R.R. et al. 2006. MODIS leaf area index products: From validation to algorithm improvement IEEE Transactions on Geoscience and Remote Sensing 44 (7): 1885-1898.
Huete, A., Nemani R.R et al., 2006. Amazon forests green up with sunlight in the dry season Geophysical Research Letters, VOL. 33, L06405, doi:10.1029/2005GL025583.
White MA, Nemani RR. 2006. Real-time monitoring and short-term forecasting of land surface phenology. Remote Sensing of Environment 104 (1): 43-49.
Nemani, R.R., L. Johnson and M.A. White. 2006. Application of remote sensing and ecosystem modeling in vineyard management. In: Global Perspectives on Precision Agriculture, A. Srinivasan (ed), Howarth Press, NY. 2005
Jolly, M., J.M. Graham, A. Michaelis, R. Nemani and S.W. Running. 2005. A flexible, integrated system for generating meteorological surfaces derived from point sources across multiple geographic scales. Environmental modeling & software, 15: 112-121.
Milesi, C., H. Hashimoto, S.W. Running and R.R. Nemani. 2005. Climate variability, vegetation productivity, and people at risk. Global and Planetary Change, 47 (2-4): 221-231.
Itchii, K, H. Hashimoto, R.R. Nemani and M.A. White. 2005. Modeling the interannual variability and trends in gross and net primary productivity of tropical forests from 1982 to 1999. Global and Planetary Change 48 (4): 274-286
Sasai, T., K. Ichii, Y. Yamaguchi and R. R. Nemani. 2005. Simulating terrestrial carbon fluxes using the new biosphere model BEAMS: Biosphere model integrating Eco-physiological And Mechanistic approaches using Satellite data. JGR-Biogeosciences, 110: doi:10.1029/2005JG000045, 2005
Steele, B.M., S.K. Reddy and, R.R. Nemani, 2005. A regression strategy for analyzing environmental data generated by spatio-temporal processes, Ecological Modeling, 181: 93–108
White, M.A., F. Hoffman, W. W. Hargrove and R.R. Nemani. 2005. A global framework for monitoring phenological responses to climate change. Geophysical Research Letters, VOL. 32, LXXXXX, doi:10.1029/2004GL021961, 2005. Jolly, W.M., R.R. Nemani and S.W. Running. 2005. A generalized, bioclimatic index to predict foliar phenology in response to climate. Global Change Biology, 11, 619–632. Tan, B., Nemani et al., 2005. Assessment of the broadleaf crops leaf area index product from the Terra MODIS instrument, Agricultural and Forest Meteorology, 135 (1-4): Milesi C, Running SW, Elvidge CD., Nemani RR. 2005. Mapping and modeling the biogeochemical cycling of turf grasses in the United States Environmental Management 36 (3): 426-438. Zhao MS, Heinsch FA, Nemani RR, 2005. Improvements of the MODIS terrestrial gross and net primary production global data set Remote Sensing of Environment, 95 (2): 164-176. 2004
Jolly, M., R Nemani and S. Running. 2004. Enhancement of understory productivity by asynchronous phenology with overstory competitors in a temperate deciduous forest, Tree Physiology, 24: 1069-1071.
Elvidge, C.D, C. Milesi, J. Dietz, B. Tuttle, P.C. Sutton, R. Nemani and J.E. Vogelmann. 2004. U.S. constructed area approaches the size of Ohio. EOS Transactions, 85(24): 233-240.
Running et al., Nemani, R. R., Heinsch, F. A., Zhao, M., Reeves, M., Jolly, M. (2004). A continuous Satellite-derived measure of global terrestrial primary productivity. Bioscience, 54(6): 547-560.
White, M.A. and R. R. Nemani. 2004. Soil water forecasting in the continental U.S., Canadian J. Remote Sensing, 30(5): 1-14.
Hashimoto, H. R. Nemani, M. White, W. Jolly, S.C. Piper, C.D. Keeling, R. Myneni and S.W. Running. 2004. ENSO induced variability in terrestrial carbon cycling. Journal of Geophysical Research-Atmospheres, 109, doi:10.1029/2004JD004959.
Elvidge, C.D., P.C. Sutton, T.W. Wagner, R Ryzner, J.E. Vogelman, S.J. Goetz, A.J. Smith,C Jantz, K.C. Seto, M. Imhoff, Y. Wang, C. Milesi and R. Nemani. 2004. Urbanization. In: Gutman et al. (eds), Land Change Science, 315-328.
2003 .
Potter, C., S. Klooster, M. Steinbach, P. Tan, V. Kumar, S. Shekhar, R. Nemani, R. Myneni, 2003, Global teleconnections of climate to terrestrial carbon flux. J. Geophys. Res. 108, No. D17, 4556 10.1029/2002JD002979.
Johnson, L., D. Roczen, S. Youkhana, R.R. Nemani and D.F. Bosch. 2003. Mapping vineyard leaf area with multispectral satellite imagery. Computers & Agriculture, 38(1): 33-44.
Nemani, R.R., C.D. Keeling, H. Hashimoto, M. Jolly, R. Myneni, C.J. Tucker, S. Piper and S. Running. 2003. Climate driven increases in terrestrial net primary production from 1982 to 1999, Science, 300, 1560-1563.
Prior to 2003
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