Dr. Sujay V Kumar

Dr. Sujay V Kumar

  • RSCH AST, EARTH SCIENCES REMOTE SENS
  • 301.286.8663
  • NASA/GSFC
  • Mail Code: 617
  • Greenbelt , MD 20771
  • Employer: NASA
  • Education

     Ph.D., Computer Aided Engineering, 2002, North Carolina State University
    Dissertation: “Vitri- A Generic Framework for Engineering Decision Support Systems on Heterogeneous Computer Networks”
    Advisor: Dr. John Baugh, Jr.

    M.S., Civil Engineering , 1998, North Carolina State University

    B.Tech., Civil Engineering, 1996, Indian Institute of Technology, Bombay, India

    Positions/Employment

    12/2015 - Present

    Research Physical Scientist

    NASA Goddard Space Flight Center, Greenbelt, MD

    Conduct research on Earth science remote sensing measurement and modeling to understand their impact on land-atmosphere interactions and relationships with human activities through the analysis of data from space, in-situ and airborne instruments. Serve as the technical lead for transitioning the award-winning Land Information System (LIS; http://lis.gsfc.nasa.gov) for research and applications with partners at the Air Force Weather Agency, NOAA/NCEP, USACE, USDA, NRL,NWS/OHD, NCAR, NOHRSC and USGS/FEWSNET. The targeted use of LIS span socially relevant applications such as water resources and agricultural management, drought and flood monitoring, famine early warning and prediction and weather and climate prediction.

    9/2008 - 12/2015

    Senior Scientist

    Science Applications International Corporation, Greenbelt, MD

     Serve as the technical lead for transitioning the award-winning Land Information System (LIS; http://lis.gsfc.nasa.gov) for research and applications with partners at the Air Force Weather Agency, NOAA/NCEP, USACE, USDA, NRL,NWS/OHD, NOHRSC and USGS/FEWSNET. Science-PI of the NASA funded Advanced Information Systems Technology (AIST) research project. Technical lead for the Land surface Verification Toolkit (LVT), a comprehensive environment for model verification and analysis. Research on measurement and modeling of land-atmosphere interactions, with emphasis on data assimilation and application of advanced high performance computational technologies for offline and coupled land surface modeling. Demonstrate the incorporation of remote sensing data from SMAP, AMSR-E, GOES, MODIS, LANDSAT, AVHRR, GRACE, GPM, TRMM satellites for hydrological applications.

    3/2002 - 8/2008

    Assistant Research Scientist

    Goddard Earth Science Technology Center, Greenbelt, MD Technical lead for the development of the NASA Land Information System (LIS) for fine scale land surface modeling and data assimilation. Successfully led the transition of LIS to operations at the Air Force Weather Agency, NOAA/NCEP and NOHRSC. Served as the technical lead for NASA Earth Science Technology Office (ESTO) funded projects to develop coupled land atmosphere modeling system involving LIS and the Weather Research and Forecasting (WRF) model, using interoperable technologies such as the Earth System Modeling Framework (ESMF). Led the development of computational capabilities in LIS including data assimilation, optimization and uncertainty estimation algorithms.
    8/1996 - 1/2002

    Research Assistant

    Department of Civil Engineering, North Carolina State University, Raleigh, NC Research on the development of high performance computing and communication systems in cooperation with the microelectronics center of North Carolina. System administrator for the distributed computing laboratory in the department of civil engineering, North Carolina State University.

    Research Interests

    Research Interests

     Surface Hydrology, Land Surface Modeling, Data Assimilation, Remote sensing, High performance computing, Biosphere-Atmosphere Interactions, Climate Variability & Climate Changes; Earth system modeling, Parallel/Distributed Computing, Mathematical Modeling, Decision Support Systems and Heuristic Optimization techniques

    Professional Societies

    American Geophysical Union , 2002 - Present
    American Meteorological Society, 2002 - Present

    Professional Service

    Member of AMS Hydrology committee 2016-present

    Vice-chair of the Advisory Committee on Water Information (ACWI) Subcommittee on Hydrology 2017-present. 

    Member of the Advisory Committee on Water Information (ACWI) Subcommittee on Hydrology 2015 - 2017. 

    Member of AGU remote sensing committee 2015 – present.

    Associate Editor, Journal of Hydrometerology, 2014- present.

    Member of the Global Land/Atmosphere System Study (GLASS) panel of the WCRP Global Energy and Water Exchanges (GEWEX) Project.

    Chair of the “Benchmarking, identification, and verification in land surface modeling and data assimilation” session at the 28th conferences in Hydrology, annual AMS meeting, Atlanta, GA.

    Chair of the “Benchmarking, identification, and verification in land surface modeling and data assimilation” session at the 27th conferences in Hydrology, annual AMS meeting, Austin, TX.

    Chair of the “Benchmarking, identification, and verification in land surface modeling and data assimilation” session at the 26th conferences in Hydrology, annual AMS meeting, New Orleans, LA.

    Chair of the “Advances in Land surface modeling and data assimilation systems” session at the AGU spring 2008 meeting, Fort Lauderdale, FL.

    Reviewer for the Journal of Hydrometeorology, Journal of Geophysical Research, Advances in Water Resources, Water Resources Research, Environmental Modeling and Software, Journal of Hydrology, Global change biology, Hydrological Sciences, Remote Sensing of Environment and Tellus.

    Volunteer for the Soil Moisture Active Passive Validation experiment 2008 (SMAPVEX08)

     

    Awards

    Agency Exceptional Technology Achievement Medal, 2018

    Hydrosphere, Biosphere and Geophysics Peer Award for Scientific/Technical support, 2018

    Scientific achievement award, Hydrospheric and Biospheric Laboratory, NASA Goddard Space Flight Center, 2014

    SAIC Technical Fellows Council award for outstanding journal publication, 2013.

    Outstanding technical support award, Hydrospheric and Biospheric Laboratory, NASA Goddard Space Flight Center, 2012.

    Recipient of the NASA Software of the Year award. 2005

    Outstanding Researcher award, Hydrospheric and Biospheric laboratory, NASA Goddard Space Flight Center, 2005.

    NASA/GSFC Space Act awards, 2003, 2004, 2005.

    Institute Silver Medal for the best graduating student in the Department of Civil Engineering, Indian Institute of Technology, Bombay, 1996.

    Attained admission to IITs by placing among the top 1% in a nationwide examination, 1992.

    Gold medals from the board of education, India for excellence in secondary and higher secondary schools, 1990 and 1992.

    Selected Publications

    Refereed

    Kumar, S. V., M. F. Jasinski, D. M. Mocko, et al. M. Rodell, J. S. Borak, B. Li, H. K. Beaudoing, and C. D. Peters-Lidard. 2018. "NCA-LDAS land analysis: Development and performance of a multisensor, multivariate land data assimilation system for the National Climate Assessment." J. Hydrometeor., (Accepted) [10.1175/JHM-D-17-0125.1]

    Kumar, S. V., T. R. Holmes, D. M. Mocko, S. Wang, and C. D. Peters-Lidard. 2018. "Attribution of flux partitioning variations between land surface models over the continental U.S." Remote Sensing, 10 (5): 751 [10.3390/rs10050751]

    Nie, W., B. F. Zaitchik, M. Rodell, et al. S. V. Kumar, M. C. Anderson, and C. Hain. 2018. "Groundwater Withdrawals Under Drought: Reconciling GRACE and Land Surface Models in the United States High Plains Aquifer." Water Resources Research, 54: [10.1029/2017wr022178]

    Arsenault, K. R., S. V. Kumar, J. V. Geiger, et al. S. Wang, E. Kemp, D. M. Mocko, H. K. Beaudoing, A. Getirana, M. Navari, B. Li, J. Jacob, J. Wegiel, and C. D. Peters-Lidard. 2018. "The Land surface Data Toolkit (LDT v7.2) – a data fusion environment for land data assimilation systems." Geoscientific Model Development, 11 (9): 3605-3621 [10.5194/gmd-11-3605-2018]

    McNally, A., K. Arsenault, S. Kumar, et al. S. Shukla, P. Peterson, S. Wang, C. Funk, C. D. Peters-Lidard, and J. P. Verdin. 2017. "A land data assimilation system for sub-Saharan Africa food and water security applications." Scientific Data, 4: 170012 [10.1038/sdata.2017.12]

    Kumar, S. V., J. Dong, C. D. Peters-Lidard, D. M. Mocko, and B. Gómez. 2017. "Role of forcing uncertainty and background model error characterization in snow data assimilation." Hydrology and Earth System Sciences, 21 (6): 2637-2647 [10.5194/hess-21-2637-2017]

    Getirana, A., S. V. Kumar, M. Girotto, and M. Rodell. 2017. "Rivers and floodplains as key components of global terrestrial water storage variability." Geophysical Research Letters, 44 (20): 10359-10368 [10.1002/2017GL074684]

    Jung, H. C., A. Getirana, F. Policelli, et al. A. McNally, K. R. Arsenault, S. Kumar, T. Tadesse, and C. D. Peters-Lidard. 2017. "Upper Blue Nile Basin Water Budget from a Multi-Model Perspective." Journal of Hydrology, [10.1016/j.jhydrol.2017.10.040]

    Kumar, S. V., P. A. Dirmeyer, C. D. Peters-Lidard, R. Bindlish, and J. Bolten. 2017. "Information theoretic evaluation of satellite soil moisture retrievals." Remote Sensing of Environment, 204: 392-400 [10.1016/j.rse.2017.10.016]

    Kumar, S. V., S. Wang, D. M. Mocko, C. D. Peters-Lidard, and Y. Xia. 2017. "Similarity Assessment of Land Surface Model Outputs in the North American Land Data Assimilation System (NLDAS)." Water Resour. Res., 53 (11): 8941-8965 [10.1002/2017wr020635]

    Lawston, P. M., J. A. Santanello, and S. V. Kumar. 2017. "Irrigation Signals Detected From SMAP Soil Moisture Retrievals." Geophysical Research Letters, 44 (23): 11,860-11,867 [10.1002/2017gl075733]

    Nearing, G. S., D. M. Mocko, C. D. Peters-Lidard, S. V. Kumar, and Y. Xia. 2016. "Benchmarking NLDAS-2 soil moisture and evapotranspiration to separate uncertainty contributions." J. Hydrometeor., 17 (3): 745-759 [10.1175/jhm-d-15-0063.1]

    Xia, Y., B. A. Cosgrove, K. E. Mitchell, et al. C. D. Peters-Lidard, M. B. Ek, S. V. Kumar, D. M. Mocko, and H. Wei. 2016. "Basin-scale assessment of the land surface energy budget in the National Centers for Environmental Prediction operational and research NLDAS-2 systems." J. Geophys. Res. Atmos., 121 (1): 196-220 [10.1002/2015jd023889]

    Santanello, J. A., S. V. Kumar, C. D. Peters-Lidard, and P. M. Lawston. 2016. "Impact of Soil Moisture Assimilation on Land Surface Model Spinup and Coupled Land-Atmosphere Prediction." Journal of Hydrometeorology, 17: 517-540 [10.1175/jhm-d-15-0072.1]

    Xia, Y., B. A. Cosgrove, K. E. Mitchell, et al. C. D. Peters-Lidard, M. B. Ek, M. Brewer, D. M. Mocko, S. V. Kumar, H. Wei, J. Meng, and L. Luo. 2016. "Basin-scale assessment of the land surface water budget in the NCEP operational and research NLDAS-2 systems." J. Geophys. Res. Atmos., 121 (6): 2750-2779 [10.1002/2015jd023733]

    Kumar, S. V., B. F. Zaitchik, C. D. Peters-Lidard, et al. M. Rodell, R. H. Reichle, B. Li, M. F. Jasinski, D. M. Mocko, A. Getirana, G. J. De Lannoy, M. H. Cosh, C. R. Hain, M. Anderson, K. R. Arsenault, Y. Xia, and M. Ek. 2016. "Assimilation of gridded GRACE terrestrial water storage estimates in the North American Land Data Assimilation System." J. Hydrometeor., 17 (7): 1951-1972 [10.1175/jhm-d-15-0157.1]

    Harrison, K. W., Y. Tian, C. D. Peters-Lidard, S. E. Finn, and S. V. Kumar. 2015. "Calibration to improve forward model simulation of microwave emissivity at GPM frequencies over the U.S. Southern Great Plains." IEEE Trans. Geophys. Remote Sens., 54 (2): [10.1109/TGRS.2015.2474120]

    Tian, Y., C. D. Peters-Lidard, K. W. Harrison, et al. Y. You, S. E. Finn, S. V. Kumar, and J. F. Turk. 2015. "An examination of methods for estimating land surface microwave emissivity." J. Geophys. Res. , 120: [10.1002/2015JD023582]

    Kumar, S. V., C. D. Peters-Lidard, J. A. Santanello, et al. R. H. Reichle, C. S. Draper, R. D. Koster, G. S. Nearing, and M. F. Jasinski. 2015. "Evaluating the utility of satellite soil moisture retrievals over irrigated areas and the ability of land data assimilation methods to correct for unmodeled processes." Hydrology and Earth System Sciences Discussions, 12: 5967 [Full Text (Link)] [10.5194/hessd-12-5967-2015]

    Liu, Y., C. D. Peters-Lidard, S. V. Kumar, K. R. Arsenault, and D. M. Mocko. 2015. "Blending satellite-based snow depth products with in situ observations for streamflow predictions in the Upper Colorado River Basin." Water Resour. Res., 51 (2): 1182-1202 [10.1002/2014WR016606]

    Peters-Lidard, C. D., E. M. Kemp, T. Matsui, et al. J. A. Santanello, S. V. Kumar, J. P. Jacob, T. L. Clune, W.-K. Tao, M. Chin, A. Hou, J. L. Case, D. Kim, K.-M. Kim, W. K. Lau, Y. Liu, J. J. Shi, D. O. Starr, Q. Tan, Z. Tao, B. F. Zaitchik, B. Zavodsky, Q. Zhang, and M. Zupanski. 2015. "Integrated modeling of aerosol, cloud, precipitation and land processes at satellite-resolved scales." Environmental Modelling and Software, 67: 149-159 [Full Text (Link)] [doi:10.1016/j.envsoft.2015.01.007]

    Kumar, S. V., C. D. Peters-Lidard, K. R. Arsenault, et al. A. Getirana, D. M. Mocko, and Y. Liu. 2015. "Quantifying the added value of snow cover area observations in passive microwave snow depth data assimilation." J. Hydrometeor., 16 (4): 1736-1741 [10.1175/JHM-D-15-0021.1]

    Kumar, S. V., C. D. Peters-Lidard, J. A. Santanello, et al. R. H. Reichle, C. S. Draper, R. D. Koster, G. Nearing, and M. F. Jasinski. 2015. "Evaluating the utility of satellite soil moisture retrievals over irrigated areas and the ability of land data assimilation methods to correct for unmodeled processes." Hydrology and Earth System Sciences, 19 (11): 4463-4478 [10.5194/hess-19-4463-2015]

    Tian, Y., C. D. Peters-Lidard, K. W. Harrison, et al. Y. You, S. Ringerud, S. Kumar, and F. J. Turk. 2015. "An examination of methods for estimating land surface microwave emissivity." J. Geophys. Res. Atmos., 120 (21): 11,114-11,128 [10.1002/2015jd023582]

    Mazrooei, A., T. Sinha, A. Sankarasubramanian, S. V. Kumar, and C. D. Peters-Lidard. 2015. "Decomposition of Sources of Errors in Seasonal Streamflow Forecasting over the US Sunbelt." J. Geophys. Res. Atmos., 120 (23): 11,809–11,825 [10.1002/2015jd023687]

    Kumar, S. V., K. W. Harrison, C. D. Peters-Lidard, J. A. Santanello, and D. B. Kirschbaum. 2014. "Assessing the Impact of L-Band Observations on Drought and Flood Risk Estimation: A Decision-Theoretic Approach in an OSSE Environment." J. Hydrometeor, 15 (6): 2140-2156 [Full Text (Link)] [10.1175/JHM-D-13-0204.1]

    Case, J. L., F. J. LaFontaine, J. R. Bell, et al. G. J. Jedlovec, S. V. Kumar, and C. D. Peters-Lidard. 2014. "A Real-Time MODIS Vegetation Product for Land Surface and Numerical Weather Prediction Models." Geoscience and Remote Sensing, IEEE Transactions on, 52 (3): 1772 - 1786 [10.1109/TGRS.2013.2255059]

    Getirana, A., E. Dutra, M. Guimberteau, et al. J. Kam, H.-Y. Li, B. Decharme, Z. Zhang, A. Ducharne, A. Boone, G. Balsamo, M. Rodell, A. M. Toure, Y. Xue, C. D. Peters-Lidard, S. V. Kumar, K. R. Arsenault, G. Drapeau, L. R. Leung, J. Ronchail, and J. Sheffield. 2014. "Water Balance in the Amazon Basin from a Land Surface Model Ensemble." J. Hydrometeor, 15 (6): 2586-2614 [10.1175/JHM-D-14-0068.1]

    Kumar, S. V., C. D. Peters-Lidard, D. M. Mocko, et al. R. H. Reichle, Y. Liu, K. R. Arsenault, Y. Xia, M. Ek, G. A. Riggs, B. Livneh, and M. Cosh. 2014. "Assimilation of passive microwave-based soil moisture and snow depth retrievals for drought estimation." J. Hydrometeor., 15 (6): 2446-2469 [10.1175/JHM-D-13-0132.1]

    Santanello, J., C. D. Peters-Lidard, A. Kennedy, S. Kumar, and S. Zhou. 2013. "Diagnosing the Nature of Land–Atmosphere Coupling: A Case Study of Dry/Wet Extremes in the U.S. Southern Great Plains." J. Hydrometeor., 14 (1): 3-24 [10.1175/JHM-D-12-023.1]

    Santanello, J. A., S. V. Kumar, C. D. Peters-Lidard, K. W. Harrison, and S. Zhou. 2013. "Impact of Land Model Calibration on Coupled Land–Atmosphere Prediction." J. Hydrometeor., 14 (5): 1373-1400 [10.1175/JHM-D-12-0127.1]

    Zaitchik, B. F., J. A. Santanello, S. V. Kumar, and C. D. Peters-Lidard. 2013. "Representation of Soil Moisture Feedbacks during Drought in NASA Unified WRF (NU-WRF)." J. Hydrometeor, 14 (1): 360-367 [10.1175/JHM-D-12-069.1]

    Liu, Y., C. D. Peters-Lidard, S. V. Kumar, et al. J. L. Foster, M. J. Shaw, Y. Tian, and F. G. Hall. 2013. "Assimilating satellite-based snow depth and snow cover products for improving snow predictions in Alaska." Advances in Water Resources, 54: 208-227 [10.1016/j.advwatres.2013.02.005]

    Mohr, K., W. Tao, J. Chern, S. Kumar, and C. Peters-Lidard. 2013. "The NASA-Goddard Multi-scale Modeling Framework–Land Information System: Global land/atmosphere interaction with resolved convection." Environmental Modelling & Software, 39: 103-115 [10.1016/j.envsoft.2012.02.023]

    Kumar, S. V., C. D. Peters-Lidard, D. M. Mocko, and Y. Tian. 2013. "Multiscale evaluation of the improvements in surface snow simulation through terrain adjustments to radiation." J. Hydrometeor., 14 (1): 220-232 [10.1175/JHM-D-12-046.1]

    De Lannoy, G. J., R. H. Reichle, K. R. Arsenault, et al. P. R. Houser, S. V. Kumar, N. E. Verhoest, and V. R. Pauwels. 2012. "Multiscale assimilation of Advanced Microwave Scanning Radiometer–EOS snow water equivalent and Moderate Resolution Imaging Spectroradiometer snow cover fraction observations in northern Colorado." Water Resour. Res., 48 (1): W01522 [10.1029/2011WR010588]

    Kumar, S., R. Reichle, K. Harrison, et al. C. Peters-Lidard, S. Yatheendradas, and J. Santanello. 2012. "A comparison of methods for a priori bias correction in soil moisture data assimilation." Water Resour. Res., 48 (3): W03515 [10.1029/2010WR010261]

    Hall, D., J. L. Foster, S. Kumar, J. Y. Chien, and G. A. Riggs. 2012. "Improving the accuracy of the AFWA-NASA (ANSA) blended snow-cover product over the Lower Great Lakes region." Hydrology and Earth System Sciences Discussions, 9 (1): 1141-1161 [10.5194/hessd-9-1141-2012]

    Kumar, S., C. Peters-Lidard, J. Santanello, et al. K. Harrison, Y. Liu, and M. Shaw. 2012. "Land surface Verification Toolkit (LVT) – a generalized framework for land surface model evaluation." Geosci. Model Dev., 5 (3): 869-886 [10.5194/gmd-5-869-2012]

    Crow, W. T., S. V. Kumar, and J. D. Bolten. 2012. "On the utility of land surface models for agricultural drought monitoring." Hydrology and Earth System Sciences, 16 (9): 3451-3460 [10.5194/hess-16-3451-2012]

    Harrison, K., S. V. Kumar, C. D. Peters-Lidard, and J. A. Santanello. 2012. "Quantifying the change in soil moisture modeling uncertainty from remote sensing observations using Bayesian inference techniques." Water Resour. Res., 48 (11): W11514 [10.1029/2012WR012337]

    Yatheendradas, S., C. D. Peters-Lidard, V. Koren, et al. B. Cosgrive, L. De Goncalves, M. Smith, J. V. Geiger, Z. Cui, J. S. Borak, S. V. Kumar, D. L. Toll, G. A. Riggs, and N. Mizukami. 2012. "Distributed assimilation of satellite-based snow extent for improving simulated streamflow in mountainous, dense forests: An example over the DMIP2 western basins." Water Resour. Res., 48 (9): W09557 [10.1029/2011WR011347]

    Kirschbaum, D. B., R. F. Adler, Y. Hong, S. V. Kumar, and C. D. Peters-Lidard. 2011. "Advances in landslide nowcasting: evaluation of a global and regional modeling approach." Environmental Earth Sciences, 66 (6): 1683-1696 [10.1007/s12665-011-0990-3]

    Santanello, J. A., C. D. Peters-Lidard, and S. V. Kumar. 2011. "Diagnosing the Sensitivity of Local Land–Atmosphere Coupling via the Soil Moisture–Boundary Layer Interaction." J. Hydrometeor, 12 (5): 766-786 [10.1175/JHM-D-10-05014.1]

    Peters-Lidard, C. D., S. V. Kumar, D. M. Mocko, and Y. Tian. 2011. "Estimating evapotranspiration with land data assimilation systems." Hydrological Processes, 25 (26): 3979-3992 [10.1002/hyp.8387]

    Reichle, R. H., S. V. Kumar, S. P. Mahanama, R. D. Koster, and Q. Liu. 2010. "Assimilation of Satellite-Derived Skin Temperature Observations into Land Surface Models." J. Hydrometeor, 11 (5): 1103-1122 [10.1175/2010JHM1262.1]

    Tian, Y., J. V. Geiger, H. Su, S. Kumar, and P. R. Houser. 2010. "Middleware-Based Sensor Web Integration." IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing, 3 (4): 467-472 [10.1109/JSTARS.2010.2049732]

    Hall, D. K., G. A. Riggs, J. L. Foster, and S. V. Kumar. 2010. "Development and evaluation of a cloud-gap-filled MODIS daily snow-cover product." Remote Sens Environ, 114 (3): 496-503 [10.1016/j.rse.2009.10.007]

    Kumar, S., R. H. Reichle, R. D. Koster, W. T. Crow, and C. Peters-Lidard. 2009. "Role of Subsurface Physics in the Assimilation of Surface Soil Moisture Observations." J. Hydrometeor, 10 (6): 1534-1547 [10.1175/2009JHM1134.1]

    Kumar, S. V., R. H. Reichle, C. D. Peters-Lidard, et al. R. D. Koster, X. Zhan, W. T. Crow, J. B. Eylander, and P. R. Houser. 2008. "A land surface data assimilation framework using the land information system: Description and applications." Advances in Water Resources, 31 (11): 1419-1432 [10.1016/j.advwatres.2008.01.013]

    Case, J., W. Crosson, S. V. Kumar, W. Lapenta, and C. Peters-Lidard. 2008. "Impacts of High-Resolution Land Surface Initialization on Regional Sensible Weather Forecasts from the WRF Model." J Hydrometeorol., 9 (6): 1249-1266 [10.1175/2008JHM990.1]

    Kumar, S. V., C. Peters-Lidard, J. Eastman, and W. Tao. 2008. "An integrated high-resolution hydrometeorological modeling testbed using LIS and WRF." Environmental Modelling & Software, 23 (2): 169-181 [10.1016/j.envsoft.2007.05.012]

    Kumar, S. V., C. Peters-Lidard, Y. Tian, et al. R. Reichle, J. Geiger, C. Alonge, J. Eylander, and P. Houser. 2008. "An Integrated Hydrologic Modeling and Data Assimilation Framework." Computer, 41 (12): 52-59 [10.1109/MC.2008.475]

    Tian, Y., C. Peters-Lidard, S. V. Kumar, et al. J. Geiger, P. Houser, J. Eastman, P. Dirmeyer, B. Doty, and J. Adams. 2008. "High-performance land surface modeling with a Linux cluster." Computers & Geosciences, 34 (11): 1492-1504 [10.1016/j.cageo.2007.12.014]

    Zeng, X., W.-K. Tao, M. Zhang, et al. C. Peters-Lidard, S. E. Lang, J. Simpson, S. Kumar, S. Xie, J. Eastman, C.-L. Shie, and J. Geiger. 2007. "Evaluating Clouds in Long-Term Cloud-Resolving Model Simulations with Observational Data." J Atmos Sci, 64: 4153-4329.

    Tischler, M., M. Garcia, C. D. Peters-Lidard, et al. M. Moran, S. Miller, D. Thoma, S. V. Kumar, and J. Geiger. 2007. "A GIS framework for surface-layer soil moisture estimation combining satellite radar measurements and land surface modeling with soil physical property estimation." Environmental Modelling & Software, 22 (6): 891-898 [10.1016/j.envsoft.2006.05.022]

    Kumar, S. V., Y. Tian, C. Peters-Lidard, et al. P. Houser, J. Geiger, S. Olden, L. Lighty, J. Eastman, B. Doty, P. Dirmeyer, J. Adams, K. Mitchell, E. Wood, and J. Sheffield. 2006. "Land information system: An interoperable framework for high resolution land surface modeling." Environ Modelling Software, 21: 1402-1415.

    Non-Refereed

    Tian, Y., C. D. Peters-Lidard, K. W. Harrison, S. V. Kumar, and S. Ringerud. 2014. "Land surface microwave emissivity dynamics: Observations, analysis and modeling ." Microwave Radiometry and Remote Sensing of the Environment (MicroRad), 2014 13th Specialist Meeting on 99 - 102 , ISBN: 978-1-4799-4645-7 . [10.1109/MicroRad.2014.6878917]

    Peters-Lidard, C. D., J. B. Eylander, R. D. Koster, et al. B. Narapusetty, S. V. Kumar, M. Rodell, J. D. Bolten, D. M. Mocko, G. K. Walker, K. R. Arsenault, and S. W. Rheingrover. 2014. "Drought Prediction for Socio-Cultural Stability Project." NASA/TM-2014-218303 [Full Text (Link)]

    Tian, Y., P. R. Houser, H. Su, S. V. Kumar, and J. V. Geiger Jr. 2008. "Integrating sensor webs with modeling and data-assimilation applications: An SOA implementation." Proc IEEE Aerospace Conf 1 - 7 [10.1109/AERO.2008.4526452]

    Tao, W.-K., D. Anderson, R. Atlas, et al. J.-D. Chern, P. Houser, A. Y. Hou, S. E. Lang, W. K. Lau, C. D. Peters-Lidard, R. Kakar, S. V. Kumar, W. Lapenta, X. Li, T. Matsui, M. M. Rienecker, B.-W. Shen, J. J. Shi, J. Simpson, and X. Zeng. 2008. "A Goddard multi-scale modeling system with unified physics." GEWEX News 18 (1): 6-8 [Full Text (Link)]

    Pinheiro, T. A., K. Arsenault, P. Houser, et al. D. Toll, S. V. Kumar, D. Matthews, and R. W. Stodt. 2004. "Improved evapotranspiration estimates to aid water management practices in the Rio Grande river basin." Proc IGARSS 2004 3: Anchorage, Alaska, 2123-2126.

    Selected Publications

    Refereed

    Kumar, S. V., M. F. Jasinski, D. M. Mocko, et al. M. Rodell, J. S. Borak, B. Li, H. K. Beaudoing, and C. D. Peters-Lidard. 2018. "NCA-LDAS land analysis: Development and performance of a multisensor, multivariate land data assimilation system for the National Climate Assessment." J. Hydrometeor. (Accepted) [10.1175/JHM-D-17-0125.1]

    Kumar, S. V., T. R. Holmes, D. M. Mocko, S. Wang, and C. D. Peters-Lidard. 2018. "Attribution of flux partitioning variations between land surface models over the continental U.S." Remote Sensing 10 (5): 751 [10.3390/rs10050751]

    Nie, W., B. F. Zaitchik, M. Rodell, et al. S. V. Kumar, M. C. Anderson, and C. Hain. 2018. "Groundwater Withdrawals Under Drought: Reconciling GRACE and Land Surface Models in the United States High Plains Aquifer." Water Resources Research 54 [10.1029/2017wr022178]

    Arsenault, K. R., S. V. Kumar, J. V. Geiger, et al. S. Wang, E. Kemp, D. M. Mocko, H. K. Beaudoing, A. Getirana, M. Navari, B. Li, J. Jacob, J. Wegiel, and C. D. Peters-Lidard. 2018. "The Land surface Data Toolkit (LDT v7.2) – a data fusion environment for land data assimilation systems." Geoscientific Model Development 11 (9): 3605-3621 [10.5194/gmd-11-3605-2018]

    McNally, A., K. Arsenault, S. Kumar, et al. S. Shukla, P. Peterson, S. Wang, C. Funk, C. D. Peters-Lidard, and J. P. Verdin. 2017. "A land data assimilation system for sub-Saharan Africa food and water security applications." Scientific Data 4 170012 [10.1038/sdata.2017.12]

    Kumar, S. V., J. Dong, C. D. Peters-Lidard, D. M. Mocko, and B. Gómez. 2017. "Role of forcing uncertainty and background model error characterization in snow data assimilation." Hydrology and Earth System Sciences 21 (6): 2637-2647 [10.5194/hess-21-2637-2017]

    Getirana, A., S. V. Kumar, M. Girotto, and M. Rodell. 2017. "Rivers and floodplains as key components of global terrestrial water storage variability." Geophysical Research Letters 44 (20): 10359-10368 [10.1002/2017GL074684]

    Jung, H. C., A. Getirana, F. Policelli, et al. A. McNally, K. R. Arsenault, S. Kumar, T. Tadesse, and C. D. Peters-Lidard. 2017. "Upper Blue Nile Basin Water Budget from a Multi-Model Perspective." Journal of Hydrology [10.1016/j.jhydrol.2017.10.040]

    Kumar, S. V., P. A. Dirmeyer, C. D. Peters-Lidard, R. Bindlish, and J. Bolten. 2017. "Information theoretic evaluation of satellite soil moisture retrievals." Remote Sensing of Environment 204 392-400 [10.1016/j.rse.2017.10.016]

    Kumar, S. V., S. Wang, D. M. Mocko, C. D. Peters-Lidard, and Y. Xia. 2017. "Similarity Assessment of Land Surface Model Outputs in the North American Land Data Assimilation System (NLDAS)." Water Resour. Res. 53 (11): 8941-8965 [10.1002/2017wr020635]

    Lawston, P. M., J. A. Santanello, and S. V. Kumar. 2017. "Irrigation Signals Detected From SMAP Soil Moisture Retrievals." Geophysical Research Letters 44 (23): 11,860-11,867 [10.1002/2017gl075733]

    Nearing, G. S., D. M. Mocko, C. D. Peters-Lidard, S. V. Kumar, and Y. Xia. 2016. "Benchmarking NLDAS-2 soil moisture and evapotranspiration to separate uncertainty contributions." J. Hydrometeor. 17 (3): 745-759 [10.1175/jhm-d-15-0063.1]

    Xia, Y., B. A. Cosgrove, K. E. Mitchell, et al. C. D. Peters-Lidard, M. B. Ek, S. V. Kumar, D. M. Mocko, and H. Wei. 2016. "Basin-scale assessment of the land surface energy budget in the National Centers for Environmental Prediction operational and research NLDAS-2 systems." J. Geophys. Res. Atmos. 121 (1): 196-220 [10.1002/2015jd023889]

    Santanello, J. A., S. V. Kumar, C. D. Peters-Lidard, and P. M. Lawston. 2016. "Impact of Soil Moisture Assimilation on Land Surface Model Spinup and Coupled Land-Atmosphere Prediction." Journal of Hydrometeorology 17 517-540 [10.1175/jhm-d-15-0072.1]

    Xia, Y., B. A. Cosgrove, K. E. Mitchell, et al. C. D. Peters-Lidard, M. B. Ek, M. Brewer, D. M. Mocko, S. V. Kumar, H. Wei, J. Meng, and L. Luo. 2016. "Basin-scale assessment of the land surface water budget in the NCEP operational and research NLDAS-2 systems." J. Geophys. Res. Atmos. 121 (6): 2750-2779 [10.1002/2015jd023733]

    Kumar, S. V., B. F. Zaitchik, C. D. Peters-Lidard, et al. M. Rodell, R. H. Reichle, B. Li, M. F. Jasinski, D. M. Mocko, A. Getirana, G. J. De Lannoy, M. H. Cosh, C. R. Hain, M. Anderson, K. R. Arsenault, Y. Xia, and M. Ek. 2016. "Assimilation of gridded GRACE terrestrial water storage estimates in the North American Land Data Assimilation System." J. Hydrometeor. 17 (7): 1951-1972 [10.1175/jhm-d-15-0157.1]

    Harrison, K. W., Y. Tian, C. D. Peters-Lidard, S. E. Finn, and S. V. Kumar. 2015. "Calibration to improve forward model simulation of microwave emissivity at GPM frequencies over the U.S. Southern Great Plains." IEEE Trans. Geophys. Remote Sens. 54 (2): [10.1109/TGRS.2015.2474120]

    Tian, Y., C. D. Peters-Lidard, K. W. Harrison, et al. Y. You, S. E. Finn, S. V. Kumar, and J. F. Turk. 2015. "An examination of methods for estimating land surface microwave emissivity." J. Geophys. Res. 120 [10.1002/2015JD023582]

    Kumar, S. V., C. D. Peters-Lidard, J. A. Santanello, et al. R. H. Reichle, C. S. Draper, R. D. Koster, G. S. Nearing, and M. F. Jasinski. 2015. "Evaluating the utility of satellite soil moisture retrievals over irrigated areas and the ability of land data assimilation methods to correct for unmodeled processes." Hydrology and Earth System Sciences Discussions 12 5967 [Full Text (Link)] [10.5194/hessd-12-5967-2015]

    Liu, Y., C. D. Peters-Lidard, S. V. Kumar, K. R. Arsenault, and D. M. Mocko. 2015. "Blending satellite-based snow depth products with in situ observations for streamflow predictions in the Upper Colorado River Basin." Water Resour. Res. 51 (2): 1182-1202 [10.1002/2014WR016606]

    Peters-Lidard, C. D., E. M. Kemp, T. Matsui, et al. J. A. Santanello, S. V. Kumar, J. P. Jacob, T. L. Clune, W.-K. Tao, M. Chin, A. Hou, J. L. Case, D. Kim, K.-M. Kim, W. K. Lau, Y. Liu, J. J. Shi, D. O. Starr, Q. Tan, Z. Tao, B. F. Zaitchik, B. Zavodsky, Q. Zhang, and M. Zupanski. 2015. "Integrated modeling of aerosol, cloud, precipitation and land processes at satellite-resolved scales." Environmental Modelling and Software 67 149-159 [Full Text (Link)] [doi:10.1016/j.envsoft.2015.01.007]

    Kumar, S. V., C. D. Peters-Lidard, K. R. Arsenault, et al. A. Getirana, D. M. Mocko, and Y. Liu. 2015. "Quantifying the added value of snow cover area observations in passive microwave snow depth data assimilation." J. Hydrometeor. 16 (4): 1736-1741 [10.1175/JHM-D-15-0021.1]

    Kumar, S. V., C. D. Peters-Lidard, J. A. Santanello, et al. R. H. Reichle, C. S. Draper, R. D. Koster, G. Nearing, and M. F. Jasinski. 2015. "Evaluating the utility of satellite soil moisture retrievals over irrigated areas and the ability of land data assimilation methods to correct for unmodeled processes." Hydrology and Earth System Sciences 19 (11): 4463-4478 [10.5194/hess-19-4463-2015]

    Tian, Y., C. D. Peters-Lidard, K. W. Harrison, et al. Y. You, S. Ringerud, S. Kumar, and F. J. Turk. 2015. "An examination of methods for estimating land surface microwave emissivity." J. Geophys. Res. Atmos. 120 (21): 11,114-11,128 [10.1002/2015jd023582]

    Mazrooei, A., T. Sinha, A. Sankarasubramanian, S. V. Kumar, and C. D. Peters-Lidard. 2015. "Decomposition of Sources of Errors in Seasonal Streamflow Forecasting over the US Sunbelt." J. Geophys. Res. Atmos. 120 (23): 11,809–11,825 [10.1002/2015jd023687]

    Kumar, S. V., K. W. Harrison, C. D. Peters-Lidard, J. A. Santanello, and D. B. Kirschbaum. 2014. "Assessing the Impact of L-Band Observations on Drought and Flood Risk Estimation: A Decision-Theoretic Approach in an OSSE Environment." J. Hydrometeor 15 (6): 2140-2156 [Full Text (Link)] [10.1175/JHM-D-13-0204.1]

    Case, J. L., F. J. LaFontaine, J. R. Bell, et al. G. J. Jedlovec, S. V. Kumar, and C. D. Peters-Lidard. 2014. "A Real-Time MODIS Vegetation Product for Land Surface and Numerical Weather Prediction Models." Geoscience and Remote Sensing, IEEE Transactions on 52 (3): 1772 - 1786 [10.1109/TGRS.2013.2255059]

    Getirana, A., E. Dutra, M. Guimberteau, et al. J. Kam, H.-Y. Li, B. Decharme, Z. Zhang, A. Ducharne, A. Boone, G. Balsamo, M. Rodell, A. M. Toure, Y. Xue, C. D. Peters-Lidard, S. V. Kumar, K. R. Arsenault, G. Drapeau, L. R. Leung, J. Ronchail, and J. Sheffield. 2014. "Water Balance in the Amazon Basin from a Land Surface Model Ensemble." J. Hydrometeor 15 (6): 2586-2614 [10.1175/JHM-D-14-0068.1]

    Kumar, S. V., C. D. Peters-Lidard, D. M. Mocko, et al. R. H. Reichle, Y. Liu, K. R. Arsenault, Y. Xia, M. Ek, G. A. Riggs, B. Livneh, and M. Cosh. 2014. "Assimilation of passive microwave-based soil moisture and snow depth retrievals for drought estimation." J. Hydrometeor. 15 (6): 2446-2469 [10.1175/JHM-D-13-0132.1]

    Santanello, J., C. D. Peters-Lidard, A. Kennedy, S. Kumar, and S. Zhou. 2013. "Diagnosing the Nature of Land–Atmosphere Coupling: A Case Study of Dry/Wet Extremes in the U.S. Southern Great Plains." J. Hydrometeor. 14 (1): 3-24 [10.1175/JHM-D-12-023.1]

    Santanello, J. A., S. V. Kumar, C. D. Peters-Lidard, K. W. Harrison, and S. Zhou. 2013. "Impact of Land Model Calibration on Coupled Land–Atmosphere Prediction." J. Hydrometeor. 14 (5): 1373-1400 [10.1175/JHM-D-12-0127.1]

    Zaitchik, B. F., J. A. Santanello, S. V. Kumar, and C. D. Peters-Lidard. 2013. "Representation of Soil Moisture Feedbacks during Drought in NASA Unified WRF (NU-WRF)." J. Hydrometeor 14 (1): 360-367 [10.1175/JHM-D-12-069.1]

    Liu, Y., C. D. Peters-Lidard, S. V. Kumar, et al. J. L. Foster, M. J. Shaw, Y. Tian, and F. G. Hall. 2013. "Assimilating satellite-based snow depth and snow cover products for improving snow predictions in Alaska." Advances in Water Resources 54 208-227 [10.1016/j.advwatres.2013.02.005]

    Mohr, K., W. Tao, J. Chern, S. Kumar, and C. Peters-Lidard. 2013. "The NASA-Goddard Multi-scale Modeling Framework–Land Information System: Global land/atmosphere interaction with resolved convection." Environmental Modelling & Software 39 103-115 [10.1016/j.envsoft.2012.02.023]

    Kumar, S. V., C. D. Peters-Lidard, D. M. Mocko, and Y. Tian. 2013. "Multiscale evaluation of the improvements in surface snow simulation through terrain adjustments to radiation." J. Hydrometeor. 14 (1): 220-232 [10.1175/JHM-D-12-046.1]

    De Lannoy, G. J., R. H. Reichle, K. R. Arsenault, et al. P. R. Houser, S. V. Kumar, N. E. Verhoest, and V. R. Pauwels. 2012. "Multiscale assimilation of Advanced Microwave Scanning Radiometer–EOS snow water equivalent and Moderate Resolution Imaging Spectroradiometer snow cover fraction observations in northern Colorado." Water Resour. Res. 48 (1): W01522 [10.1029/2011WR010588]

    Kumar, S., R. Reichle, K. Harrison, et al. C. Peters-Lidard, S. Yatheendradas, and J. Santanello. 2012. "A comparison of methods for a priori bias correction in soil moisture data assimilation." Water Resour. Res. 48 (3): W03515 [10.1029/2010WR010261]

    Hall, D., J. L. Foster, S. Kumar, J. Y. Chien, and G. A. Riggs. 2012. "Improving the accuracy of the AFWA-NASA (ANSA) blended snow-cover product over the Lower Great Lakes region." Hydrology and Earth System Sciences Discussions 9 (1): 1141-1161 [10.5194/hessd-9-1141-2012]

    Kumar, S., C. Peters-Lidard, J. Santanello, et al. K. Harrison, Y. Liu, and M. Shaw. 2012. "Land surface Verification Toolkit (LVT) – a generalized framework for land surface model evaluation." Geosci. Model Dev. 5 (3): 869-886 [10.5194/gmd-5-869-2012]

    Crow, W. T., S. V. Kumar, and J. D. Bolten. 2012. "On the utility of land surface models for agricultural drought monitoring." Hydrology and Earth System Sciences 16 (9): 3451-3460 [10.5194/hess-16-3451-2012]

    Harrison, K., S. V. Kumar, C. D. Peters-Lidard, and J. A. Santanello. 2012. "Quantifying the change in soil moisture modeling uncertainty from remote sensing observations using Bayesian inference techniques." Water Resour. Res. 48 (11): W11514 [10.1029/2012WR012337]

    Yatheendradas, S., C. D. Peters-Lidard, V. Koren, et al. B. Cosgrive, L. De Goncalves, M. Smith, J. V. Geiger, Z. Cui, J. S. Borak, S. V. Kumar, D. L. Toll, G. A. Riggs, and N. Mizukami. 2012. "Distributed assimilation of satellite-based snow extent for improving simulated streamflow in mountainous, dense forests: An example over the DMIP2 western basins." Water Resour. Res. 48 (9): W09557 [10.1029/2011WR011347]

    Kirschbaum, D. B., R. F. Adler, Y. Hong, S. V. Kumar, and C. D. Peters-Lidard. 2011. "Advances in landslide nowcasting: evaluation of a global and regional modeling approach." Environmental Earth Sciences 66 (6): 1683-1696 [10.1007/s12665-011-0990-3]

    Santanello, J. A., C. D. Peters-Lidard, and S. V. Kumar. 2011. "Diagnosing the Sensitivity of Local Land–Atmosphere Coupling via the Soil Moisture–Boundary Layer Interaction." J. Hydrometeor 12 (5): 766-786 [10.1175/JHM-D-10-05014.1]

    Peters-Lidard, C. D., S. V. Kumar, D. M. Mocko, and Y. Tian. 2011. "Estimating evapotranspiration with land data assimilation systems." Hydrological Processes 25 (26): 3979-3992 [10.1002/hyp.8387]

    Reichle, R. H., S. V. Kumar, S. P. Mahanama, R. D. Koster, and Q. Liu. 2010. "Assimilation of Satellite-Derived Skin Temperature Observations into Land Surface Models." J. Hydrometeor 11 (5): 1103-1122 [10.1175/2010JHM1262.1]

    Tian, Y., J. V. Geiger, H. Su, S. Kumar, and P. R. Houser. 2010. "Middleware-Based Sensor Web Integration." IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing 3 (4): 467-472 [10.1109/JSTARS.2010.2049732]

    Hall, D. K., G. A. Riggs, J. L. Foster, and S. V. Kumar. 2010. "Development and evaluation of a cloud-gap-filled MODIS daily snow-cover product." Remote Sens Environ 114 (3): 496-503 [10.1016/j.rse.2009.10.007]

    Kumar, S., R. H. Reichle, R. D. Koster, W. T. Crow, and C. Peters-Lidard. 2009. "Role of Subsurface Physics in the Assimilation of Surface Soil Moisture Observations." J. Hydrometeor 10 (6): 1534-1547 [10.1175/2009JHM1134.1]

    Kumar, S. V., R. H. Reichle, C. D. Peters-Lidard, et al. R. D. Koster, X. Zhan, W. T. Crow, J. B. Eylander, and P. R. Houser. 2008. "A land surface data assimilation framework using the land information system: Description and applications." Advances in Water Resources 31 (11): 1419-1432 [10.1016/j.advwatres.2008.01.013]

    Case, J., W. Crosson, S. V. Kumar, W. Lapenta, and C. Peters-Lidard. 2008. "Impacts of High-Resolution Land Surface Initialization on Regional Sensible Weather Forecasts from the WRF Model." J Hydrometeorol. 9 (6): 1249-1266 [10.1175/2008JHM990.1]

    Kumar, S. V., C. Peters-Lidard, J. Eastman, and W. Tao. 2008. "An integrated high-resolution hydrometeorological modeling testbed using LIS and WRF." Environmental Modelling & Software 23 (2): 169-181 [10.1016/j.envsoft.2007.05.012]

    Kumar, S. V., C. Peters-Lidard, Y. Tian, et al. R. Reichle, J. Geiger, C. Alonge, J. Eylander, and P. Houser. 2008. "An Integrated Hydrologic Modeling and Data Assimilation Framework." Computer 41 (12): 52-59 [10.1109/MC.2008.475]

    Tian, Y., C. Peters-Lidard, S. V. Kumar, et al. J. Geiger, P. Houser, J. Eastman, P. Dirmeyer, B. Doty, and J. Adams. 2008. "High-performance land surface modeling with a Linux cluster." Computers & Geosciences 34 (11): 1492-1504 [10.1016/j.cageo.2007.12.014]

    Zeng, X., W.-K. Tao, M. Zhang, et al. C. Peters-Lidard, S. E. Lang, J. Simpson, S. Kumar, S. Xie, J. Eastman, C.-L. Shie, and J. Geiger. 2007. "Evaluating Clouds in Long-Term Cloud-Resolving Model Simulations with Observational Data." J Atmos Sci 64 4153-4329

    Tischler, M., M. Garcia, C. D. Peters-Lidard, et al. M. Moran, S. Miller, D. Thoma, S. V. Kumar, and J. Geiger. 2007. "A GIS framework for surface-layer soil moisture estimation combining satellite radar measurements and land surface modeling with soil physical property estimation." Environmental Modelling & Software 22 (6): 891-898 [10.1016/j.envsoft.2006.05.022]

    Kumar, S. V., Y. Tian, C. Peters-Lidard, et al. P. Houser, J. Geiger, S. Olden, L. Lighty, J. Eastman, B. Doty, P. Dirmeyer, J. Adams, K. Mitchell, E. Wood, and J. Sheffield. 2006. "Land information system: An interoperable framework for high resolution land surface modeling." Environ Modelling Software 21 1402-1415

    Non-Refereed

    Tian, Y., C. D. Peters-Lidard, K. W. Harrison, S. V. Kumar, and S. Ringerud. 2014. "Land surface microwave emissivity dynamics: Observations, analysis and modeling ." Microwave Radiometry and Remote Sensing of the Environment (MicroRad), 2014 13th Specialist Meeting on 99 - 102 [10.1109/MicroRad.2014.6878917]

    Peters-Lidard, C. D., J. B. Eylander, R. D. Koster, et al. B. Narapusetty, S. V. Kumar, M. Rodell, J. D. Bolten, D. M. Mocko, G. K. Walker, K. R. Arsenault, and S. W. Rheingrover. 2014. "Drought Prediction for Socio-Cultural Stability Project." NASA/TM-2014-218303 [Full Text (Link)]

    Tian, Y., P. R. Houser, H. Su, S. V. Kumar, and J. V. Geiger Jr. 2008. "Integrating sensor webs with modeling and data-assimilation applications: An SOA implementation." Proc IEEE Aerospace Conf 1 - 7 [10.1109/AERO.2008.4526452]

    Tao, W.-K., D. Anderson, R. Atlas, et al. J.-D. Chern, P. Houser, A. Y. Hou, S. E. Lang, W. K. Lau, C. D. Peters-Lidard, R. Kakar, S. V. Kumar, W. Lapenta, X. Li, T. Matsui, M. M. Rienecker, B.-W. Shen, J. J. Shi, J. Simpson, and X. Zeng. 2008. "A Goddard multi-scale modeling system with unified physics." GEWEX News 18 (1): 6-8 [Full Text (Link)]

    Pinheiro, T. A., K. Arsenault, P. Houser, et al. D. Toll, S. V. Kumar, D. Matthews, and R. W. Stodt. 2004. "Improved evapotranspiration estimates to aid water management practices in the Rio Grande river basin." Proc IGARSS 2004 3 2123-2126

                                                                                                                                                                                            
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