World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
57
Citations
12038
World Ranking
3439
National Ranking
1320

Sujay V. Kumar publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Sujay V. Kumar sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 338 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Sujay V. Kumar D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Sujay V. Kumar sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 57 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Sujay V. Kumar is affiliated with the Goddard Space Flight Center in the United States and focuses research efforts primarily on environmental and Earth sciences. Their work spans a variety of topics related to hydrology, remote sensing, climate modeling, and cryospheric studies, with publications contributing to key scientific discussions in these areas.

The scientist's recent papers include:

  • Exploring Sentinel-1 and Sentinel-2 diversity for flood inundation mapping using deep learning, 2021, ISPRS Journal of Photogrammetry and Remote Sensing
  • Global scale error assessments of soil moisture estimates from microwave-based active and passive satellites and land surface models over forest and mixed irrigated/dryland agriculture regions, 2020, Remote Sensing of Environment
  • Snow Ensemble Uncertainty Project (SEUP): quantification of snow water equivalent uncertainty across North America via ensemble land surface modeling, 2021, The Cryosphere
  • Coevolution of machine learning and process-based modelling to revolutionize Earth and environmental sciences: A perspective, 2022, Hydrological Processes
  • Assimilation of vegetation optical depth retrievals from passive microwave radiometry, 2020, Hydrology and Earth System Sciences

Frequent coauthors in their work include:

  • Augusto Getirana
  • C. D. Peters-Lidard
  • David M. Mocko
  • Kristi R. Arsenault
  • Wanshu Nie

Key publication venues where this scientist has contributed multiple works span across journals focused on hydrology, remote sensing, and environmental sciences, including:

  • Journal of Hydrometeorology
  • Hydrology and Earth System Sciences
  • Water Resources Research
  • Journal of Hydrology
  • Zenodo (CERN European Organization for Nuclear Research)

Their research fields extend into:

  • Environmental Science
  • Earth and Planetary Sciences

Subfields of study encompass specialized areas within their broader fields, such as:

  • Atmospheric Science
  • Global and Planetary Change
  • Water Science and Technology
  • Environmental Engineering
  • Oceanography

The main topics of their work reflect focused investigation on processes related to water, climate, and environmental dynamics:

  • Hydrology and Watershed Management Studies
  • Cryospheric Studies and Observations
  • Climate Variability and Models
  • Soil Moisture and Remote Sensing
  • Precipitation Measurement and Analysis
  • Meteorological Phenomena and Simulations
  • Flood Risk Assessment and Management

Best Publications

  • Land information system: An interoperable framework for high resolution land surface modeling

    S. V. Kumar;C. D. Peters-Lidard;Y. Tian;P. R. Houser

  • A land data assimilation system for sub-Saharan Africa food and water security applications

    Amy McNally;Amy McNally;Kristi Arsenault;Kristi Arsenault;Sujay Kumar;Shraddhanand Shukla

  • Global GRACE data assimilation for groundwater and drought monitoring: Advances and challenges

    Bailing Li;Bailing Li;Matthew Rodell;Sujay Kumar;Hiroko Kato Beaudoing;Hiroko Kato Beaudoing

  • Advancing data assimilation in operational hydrologic forecasting: progresses, challenges, and emerging opportunities

    Yuqiong Liu;Yuqiong Liu;A. Weerts;M. Clark;H.-J Hendricks Franssen

  • Development and evaluation of a cloud-gap-filled MODIS daily snow-cover product

    Dorothy K. Hall;George A. Riggs;James L. Foster;Sujay V. Kumar

  • Multiscale assimilation of Advanced Microwave Scanning Radiometer–EOS snow water equivalent and Moderate Resolution Imaging Spectroradiometer snow cover fraction observations in northern Colorado

    Gabriëlle J. M. De Lannoy;Gabriëlle J. M. De Lannoy;Rolf H. Reichle;Kristi R. Arsenault;Paul R. Houser

  • High-performance Earth system modeling with NASA/GSFC’s Land Information System

    Christa D. Peters-Lidard;Paul R. Houser;Yudong Tian;Sujay V. Kumar

  • Role of Subsurface Physics in the Assimilation of Surface Soil Moisture Observations

    Sujay V. Kumar;Rolf H. Reichle;Randal D. Koster;Wade T. Crow

  • A land surface data assimilation framework using the land information system : Description and applications

    Sujay V. Kumar;Sujay V. Kumar;Rolf H. Reichle;Rolf H. Reichle;Christa D. Peters-Lidard;Randal D. Koster

  • Diagnosing the Sensitivity of Local Land–Atmosphere Coupling via the Soil Moisture–Boundary Layer Interaction

    Joseph A. Santanello;Christa D. Peters-Lidard;Sujay V. Kumar

  • Assimilation of Remotely Sensed Soil Moisture and Snow Depth Retrievals for Drought Estimation

    Sujay V. Kumar;Christa D. Peters-Lidard;David Mocko;Rolf Reichle

  • A Modeling and Observational Framework for Diagnosing Local Land–Atmosphere Coupling on Diurnal Time Scales

    Joseph A. Santanello;Christa D. Peters-Lidard;Sujay V. Kumar;Charles Alonge

  • Irrigation Signals Detected From SMAP Soil Moisture Retrievals

    Patricia M. Lawston;Patricia M. Lawston;Joseph A. Santanello;Sujay V. Kumar

  • Satellite and in situ observations for advancing global earth surface modelling: A review

    Gianpaolo Balsamo;Anna Agusti-Panareda;Clement Albergel;Gabriele Arduini

  • Evaluating the utility of satellite soil moisture retrievals over irrigated areas and the ability of land data assimilation methods to correct for unmodeled processes

    S. V. Kumar;S. V. Kumar;C. D. Peters-Lidard;J. A. Santanello;R. H. Reichle

  • Assimilation of Gridded GRACE Terrestrial Water Storage Estimates in the North American Land Data Assimilation System

    Sujay V. Kumar;Benjamin F. Zaitchik;Christa D. Peters-Lidard;Matthew Rodell

  • Exploring Sentinel-1 and Sentinel-2 diversity for flood inundation mapping using deep learning

    Goutam Konapala;Goutam Konapala;Sujay V. Kumar;Shahryar Khalique Ahmad;Shahryar Khalique Ahmad

  • A comparison of methods for a priori bias correction in soil moisture data assimilation

    Sujay V. Kumar;Sujay V. Kumar;Rolf H. Reichle;Kenneth W. Harrison;Christa D. Peters-Lidard

  • Assimilation of Satellite-Derived Skin Temperature Observations into Land Surface Models

    Rolf H. Reichle;Sujay V. Kumar;Sarith P. P. Mahanama;Randal D. Koster

  • Rivers and Floodplains as Key Components of Global Terrestrial Water Storage Variability

    Augusto Getirana;Augusto Getirana;Sujay Kumar;Manuela Girotto;Manuela Girotto;Matthew Rodell

  • An integrated high-resolution hydrometeorological modeling testbed using LIS and WRF

    Sujay V. Kumar;Christa D. Peters-Lidard;Joseph L. Eastman;Wei-Kuo Tao

  • Data Descriptor: A Land Data Assimilation System for Sub-Saharan Africa Food and Water Security Applications

    Amy McNally;Krist Arsenault;Sujay Kumar;Shraddhanand Shukla

Frequent Co-Authors

Christa D. Peters-Lidard
Christa D. Peters-Lidard Goddard Space Flight Center
David Mocko
David Mocko National Aeronautics and Space Administration
Joseph A. Santanello
Joseph A. Santanello Goddard Space Flight Center
Paul R. Houser
Paul R. Houser George Mason University
Rolf H. Reichle
Rolf H. Reichle Goddard Space Flight Center
Matthew Rodell
Matthew Rodell Goddard Space Flight Center
Yudong Tian
Yudong Tian University of Maryland, College Park
Randal D. Koster
Randal D. Koster Goddard Space Flight Center
Michael Ek
Michael Ek National Center for Atmospheric Research
Benjamin F. Zaitchik
Benjamin F. Zaitchik Johns Hopkins University

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