Jitendra Kumar

Jitendra Kumar

Research Staff Member

Bio

Jitendra (Jitu) Kumar is a research staff member in the Environmental Sciences Division and the Climate Change Science Institute. His research interests include computational hydrology and hydrogeology, terrestrial biogeochemistry, landscape ecology, global optimization, data assimilation and large scale data analytics.

Working at the intersection of computing and earth sciences, he is also interested in development of parallel algorithms and tools to bring high performance computing to bear for addressing computationally challenging problems in earth and climate sciences.

Publications

2017

[3] Zachary L. Langford, Jitendra Kumar, and Forrest M. Hoffman. Convolutional Neural Network Approach for Mapping Arctic Vegetation using Multi-Sensor Remote Sensing. In International Conference on Data Mining Workshops (ICDM 2017). Institute of Electrical and Electronics Engineers (IEEE), Nov 2017.
[2] Sarat Sreepathi, Jitendra Kumar, Forrest Hoffman, Richard Mills, Vamsi Sripathi, and William Hargrove. Parallel multivariate spatio-temporal clustering of large ecological datasets on hybrid supercomputers. In 2017 IEEE Cluster Conference, Sep 2017.
[1] Xia Song, Forrest M. Hoffman, Colleen M. Iversen, Yunhe Yin, Jitendra Kumar, Chun Ma, and Xiaofeng Xu. Significant Inconsistency of Vegetation Carbon Density in CMIP5 Earth System Models against Observational Data. Journal of Geophysical Research: Biogeosciences, pages n/a-n/a. 2017JG003914.

    2016

    [6] J. Kumar, F. M. Hoffman, W. W. Hargrove, and N. Collier. Understanding the representativeness of FLUXNET for upscaling carbon flux from eddy covariance measurements. Earth System Science Data Discussion, 2016:1-25, August 2016.
    [5] Ben Bond-Lamberty, Daniel Epron, Jennifer Harden, Mark E. Harmon, Forrest Hoffman, Jitendra Kumar, Anthony David McGuire, and Rodrigo Vargas. Estimating heterotrophic respiration at large scales: challenges, approaches, and next steps. Ecosphere, 7(6), 2016. e01380.
    [4] J. Kumar, N. Collier, G. Bisht, R. T. Mills, P. E. Thornton, C. M. Iversen, and V. Romanovsky. Modeling the spatiotemporal variability in subsurface thermal regimes across a low-relief polygonal tundra landscape. The Cryosphere, 10(5):2241-2274, 2016.
    [3] Zachary Langford, Jitendra Kumar, Forrest M. Hoffman, Richard J. Norby, Stan D. Wullschleger, Victoria L. Sloan, and Colleen M. Iversen. Mapping arctic plant functional type distributions in the barrow environmental observatory using worldview-2 and lidar datasets. Remote Sensing, 8(9):733, 2016.
    [2] G. Prakash, J. Kumar, E. Rush, R. Records, A. Clodfelter, and J. Voyles. HPC infrastructure to support the next-generation ARM facility data operations. In 2016 IEEE International Conference on Big Data (Big Data), pages 4026-4028, Dec 2016.
    [1] G. Tang, F. Yuan, G. Bisht, G. E. Hammond, P. C. Lichtner, J. Kumar, R. T. Mills, X. Xu, B. Andre, F. M. Hoffman, S. L. Painter, and P. E. Thornton. Addressing numerical challenges in introducing a reactive transport code into a land surface model: a biogeochemical modeling proof-of-concept with CLM–PFLOTRAN 1.0. Geoscientific Model Development, 9(3):927-946, 2016.

      2015

      [3] Jitendra Kumar, Jon Weiner, William W. Hargrove, Steven P. Norman, Forrest M. Hoffman, and Doug Newcomb. Characterization and classification of vegetation canopy structure and distribution within the Great Smoky Mountains National Park using LiDAR. In Peng Cui, Jennifer Dy, Charu Aggarwal, Zhi-Hua Zhou, Alexander Tuzhilin, Hui Xiong, and Xindong Wu, editors, Proceedings of the 15th IEEE International Conference on Data Mining Workshops (ICDMW 2015), pages 1478-1485. Institute of Electrical and Electronics Engineers (IEEE), Conference Publishing Services (CPS), November 2015.
      [2] Kristina J. Anderson-Teixeira, Stuart J. Davies, Amy C. Bennett, Erika B. Gonzalez-Akre, Helene C. Muller-Landau, S. Joseph Wright, Kamariah Abu Salim, Angelica M. Almeyda Zambrano, Alfonso Alonso, Jennifer L. Baltzer, Yves Basset, Norman A. Bourg, Eben N. Broadbent, Warren Y. Brockelman, Sarayudh Bunyavejchewin, David F. R. P. Burslem, Nathalie Butt, Min Cao, Dairon Cardenas, George B. Chuyong, Keith Clay, Susan Cordell, Handanakere S. Dattaraja, Xiaobao Deng, Matteo Detto, Xiaojun Du, Alvaro Duque, David L. Erikson, Corneille E.N. Ewango, Gunter A. Fischer, Christine Fletcher, Robin B. Foster, Christian P. Giardina, Gregory S. Gilbert, Nimal Gunatilleke, Savitri Gunatilleke, Zhanqing Hao, William W. Hargrove, Terese B. Hart, Billy C.H. Hau, Fangliang He, Forrest M. Hoffman, Robert W. Howe, Stephen P. Hubbell, Faith M. Inman-Narahari, Patrick A. Jansen, Mingxi Jiang, Daniel J. Johnson, Mamoru Kanzaki, Abdul Rahman Kassim, David Kenfack, Staline Kibet, Margaret F. Kinnaird, Lisa Korte, Kamil Kral, Jitendra Kumar, Andrew J. Larson, Yide Li, Xiankun Li, Shirong Liu, Shawn K.Y. Lum, James A. Lutz, Keping Ma, Damian M. Maddalena, Jean-Remy Makana, Yadvinder Malhi, Toby Marthews, Rafizah Mat Serudin, Sean M. McMahon, William J. McShea, Herv e R. Memiaghe, Xiangcheng Mi, Takashi Mizuno, Michael Morecroft, Jonathan A. Myers, Vojtech Novotny, Alexandre A. de Oliveira, Perry S. Ong, David A. Orwig, Rebecca Ostertag, Jan den Ouden, Geoffrey G. Parker, Richard P. Phillips, Lawren Sack, Moses N. Sainge, Weiguo Sang, Kriangsak Sri-ngernyuang, Raman Sukumar, I-Fang Sun, Witchaphart Sungpalee, Hebbalalu Sathyanarayana Suresh, Sylvester Tan, Sean C. Thomas, Duncan W. Thomas, Jill Thompson, Benjamin L. Turner, Maria Uriarte, Renato Valencia, Marta I. Vallejo, Alberto Vicentini, Tomàš Vrška, Xihua Wang, Xugao Wang, George Weiblen, Amy Wolf, Han Xu, Sandra Yap, and Jess Zimmerman. CTFS-ForestGEO: a worldwide network monitoring forests in an era of global change. Global Change Biology, 21(2):528-549, 2015.
      [1] Jeffrey M. Warren, Paul J. Hanson, Colleen M. Iversen, Jitendra Kumar, Anthony P. Walker, Stan D. Wullschleger, Jeffrey Warren, Paul Hanson, Colleen Iversen, Jitendra Kumar, Anthony Walker, and Stan Wullschleger. Root structural and functional dynamics in terrestrial biosphere models: evaluation and recommendations. New Phytologist, 205(1):59-78, 2015.

        2013

        [4] William M. Christie, William W. Hargrove, Steven P. Norman, Joseph P. Spruce, Jitendra Kumar, Forrest Hoffman, and Sean W. Schroeder. Forwarn forest change detection system provides a weekly snapshot of us forest conditions to aid forest managers. In 9th Southern Forestry and Natural Resource Management GIS Conference, Athens, GA, December 8-10, 2013.
        [3] Forrest M. Hoffman, Jitendra Kumar, Stan D. Wullschleger, Larry D. Hinzman, and Edward A. G. Schuur. A model-inspired sampling network design and representativeness methodology for the arctic. In Arctic Observing Summit (AOS) 2013, 2013.
        [2] Forrest M. Hoffman, Jitendra Kumar, Richard T. Mills, and William W. Hargrove. Representativeness-based sampling network design for the State of Alaska. Landscape Ecology, 28(8):1567-1586, 2013.
        [1] Richard Tran Mills, Jitendra Kumar, Forrest Hoffman, William Hargrove, Joseph P. Spruce, and Steve P. Norman. Identification and visualization of dominant patterns and anomalies in remotely sensed vegetation phenology using a parallel tool for principal components analysis. Proceedings of the 2013 International Conference on Computational Science, 2013.

          2012

          [2] Jitendra Kumar, E. D. Brill, G. Mahinthakumar, and S. Ranji Ranjithan. Contaminant source characterization in water distribution systems using filtered sensor data. Journal of Hydroinformatics, Vol 14 No 3:585-602, 2012.
          [1] Jitendra Kumar, Bjørn-Gustaf J. Brooks, Peter E. Thornton, and Michael C. Dietze. Sub-daily statistical downscaling of meteorological variables using neural networks. Procedia Computer Science, 9(0):887 - 896, 2012. Proceedings of the International Conference on Computational Science, ICCS 2012.

            2011

            [3] Forrest M. Hoffman, J. Walter Larson, Richard Tran Mills, Bjørn-Gustaf J. Brooks, Auroop R. Ganguly, William W. Hargrove, Jian Huang, Jitendra Kumar, and Ranga R. Vatsavai. Data Mining in Earth System Science (DMESS 2011). In Mitsuhisa Sato, Satoshi Matsuoka, Peter M. Sloot, G. Dick van Albada, and Jack Dongarra, editors, Proceedings of the International Conference on Computational Science (ICCS 2011), volume 4, pages 1450-1455, Singapore, June 2011. Elsevier.
            [2] Jitendra Kumar, Richard Tran Mills, Forrest M. Hoffman, and William W. Hargrove. Parallel k-means clustering for quantitative ecoregion delineation using large data sets. In Mitsuhisa Sato, Satoshi Matsuoka, Peter M. Sloot, G. Dick van Albada, and Jack Dongarra, editors, Proceedings of the International Conference on Computational Science (ICCS 2011), volume 4, pages 1602-1611, Singapore, June 2011. Elsevier.
            [1] Richard Tran Mills, Forrest M. Hoffman, Jitendra Kumar, and William W. Hargrove. Cluster analysis-based approaches for geospatiotemporal data mining of massive data sets for identification of forest threats. In Mitsuhisa Sato, Satoshi Matsuoka, Peter M. Sloot, G. Dick van Albada, and Jack Dongarra, editors, Proceedings of the International Conference on Computational Science (ICCS 2011), volume 4, pages 1612-1621, Singapore, June 2011. Elsevier.

              2010

              [3] Forrest M. Hoffman, Richard T. Mills, Jitendra Kumar, Srinivasa S. Vulli, and William W. Hargrove. Geospatiotemporal data mining in an early warning system for forest threats in the united states. In Proceedings of the 2010 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2010), Honolulu, Hawaii (Invited), July 25-30 2010 2010.
              [2] Jitendra Kumar, E. Downey Brill, G. Mahinthakumar, and Ranji Ranjithan. Identification of reactive contaminant sources in a water distribution system under the conditions of data uncertainties. In Richard N. Palmer, editor, World Environmental and Water Resources Congress 2010, Providence, Rhode Island, volume 371, pages 442-442. ASCE, 2010.
              [1] Jitendra Kumar, Sarat Sreepathi, E. Downey Brill, Ranji Ranjithan, and G. Mahinthakumar. Detection of leaks in water distribution system using routine water quality measurements. In Richard N. Palmer, editor, World Environmental and Water Resources Congress 2010, Providence, Rhode Island, volume 371, pages 426-426. ASCE, 2010.

                2009

                [1] Jitendra Kumar, E. Downey Brill, G Mahinthakumar, and Ranji Ranjithan. Characterizing reactive contaminant sources in a water distribution system. In Steve Starrett, editor, World Environmental and Water Resources Congress 2009, Kansas City, Missouri, volume 342, pages 65-65. ASCE, 2009.

                  2008

                  [1] Jitendra Kumar, E. Downey Brill, S. Ranji Ranjithan, G. Mahinthakumar, and J. Uber. Source identification for contamination events involving reactive contaminant. In Roger W. Babcock, Jr, and Raymond Walton, editors, World Environmental and Water Resources Congress 2008, Honolulu, Hawaii, volume 316, pages 504-504. ASCE, 2008.

                    2007

                    [3] Jitendra Kumar, E. M. Zechman, E. D. Brill, G. Mahinthakumar, S. Ranjithan, and J. Uber. Evaluation of non-uniqueness in contaminant source characterization based on sensors with event detection methods. In Karen C. Kabbes, editor, World Environmental and Water Resources Congress 2007, Tampa, Florida, volume 243, pages 513-513. ASCE, 2007.
                    [2] Jitendra Kumar, E. M. Zechman, E. D. Brill, G. Mahinthakumar, S. Ranjithan, and J. Uber. Addressing non-uniqueness in contaminant source characterization for multiple contaminant source scenario in water distribution systems. In World Environmental and Water Resources Congress 2007, Tampa, Florida. ASCE, 2007.
                    [1] Li Liu, F. Shang, Jitendra Kumar, E. D. Brill, E. M. Zechman, J. Uber, G. Mahinthakumar, and S. Ranjithan. Coupling adaptive dynamic optimization procedure with pre-screening techniques for contaminant source characterization in water distribution systems. In World Environmental and Water Resources Congress 2007, Tampa, Florida. ASCE, 2007.

                      2006

                      [2] Jitendra Kumar, Ashu Jain, and Rajesh Srivastava. Neural network based solutions for locating groundwater pollution source. Hydrology Journal, Indian Association of Hydrologists, 29(1-2):55-66, 2006. 
                      [1] Jitendra Kumar, Manfred Ostrowski, and Ashu Jain. A SWOT analysis of ANN versus conceptual physically oriented modeling based on lysimeter data. In Proceedings of 7th International Conference on Hydroinformatics, Nice, France, 2006.

                        2005

                        [1] Jitendra Kumar, Ashu Jain, and Rajesh Srivastava. Estimating grounwater pollution source location from observed breakthrough curve using neural networks. In Bhanu Prasad, editor, Proceedings of 2nd Indian International Conference on Artificial Intelligence (IICAI-05), pages 1004-1017, 2005.

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