World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
35
Citations
7237
World Ranking
9243
National Ranking
3315

Sarith Mahanama 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 Sarith Mahanama 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: 120 publications — 24th percentile

24% of scientists in this discipline score the same or lower.

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

Sarith Mahanama 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 Sarith Mahanama 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: 35 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Overview

Sarith Mahanama is affiliated with the National Aeronautics and Space Administration in the United States. Their research primarily lies within the field of Environmental Science, with a notable focus on several subfields including Global and Planetary Change, Atmospheric Science, Water Science and Technology, Environmental Engineering, and Health, Toxicology and Mutagenesis.

The research contributions of Sarith Mahanama cover a diverse range of topics, such as:

  • Climate variability and models
  • Hydrology and Watershed Management Studies
  • Plant Water Relations and Carbon Dynamics
  • Soil Moisture and Remote Sensing
  • Cryospheric studies and observations
  • Fire effects on ecosystems
  • Climate Change and Health Impacts

Recent published papers by Sarith Mahanama demonstrate engagement with a variety of environmental and climatological issues. Notable works include:

  • Changes in land use enhance the sensitivity of tropical ecosystems to fire-climate extremes, 2022, Scientific Reports
  • The 2019-2020 Australian Drought and Bushfires Altered the Partitioning of Hydrological Fluxes, 2020, Geophysical Research Letters
  • Warming, increase in precipitation, and irrigation enhance greening in High Mountain Asia, 2022, Communications Earth & Environment
  • Mechanisms Associated with Daytime and Nighttime Heat Waves over the Contiguous United States, 2020, Journal of Applied Meteorology and Climatology
  • Towards effective drought monitoring in the Middle East and North Africa (MENA) region: implications from assimilating leaf area index and soil moisture into the Noah-MP land surface model for Morocco, 2022, Hydrology and Earth System Sciences

The venues in which Sarith Mahanama frequently publishes indicate a concentration in high-impact environmental science journals and interdisciplinary earth system publications. These include:

  • Hydrology and Earth System Sciences
  • Journal of Advances in Modeling Earth Systems
  • Journal of Hydrometeorology
  • Zenodo (CERN European Organization for Nuclear Research)
  • Scientific Reports

The scientist has collaborated frequently with several researchers, illustrating a networked approach to their scientific work. Frequent co-authors include:

  • Sujay V. Kumar
  • Randal D. Koster
  • Sebastian Apers
  • Gabriëlle De Lannoy
  • Kristi R. Arsenault

Best Publications

  • Assessment and Enhancement of MERRA Land Surface Hydrology Estimates

    Rolf H. Reichle;Randal D. Koster;Gabriëlle J. M. De Lannoy;Barton A. Forman

  • Contribution of land surface initialization to subseasonal forecast skill: first results from a multi-model experiment.

    R. D. Koster;S. P.P. Mahanama;S. P.P. Mahanama;T.J. Yamada;T.J. Yamada;T.J. Yamada;Gianpaolo Balsamo

  • Comparison and assimilation of global soil moisture retrievals from the Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR‐E) and the Scanning Multichannel Microwave Radiometer (SMMR)

    Rolf H. Reichle;Rolf H. Reichle;Randal D. Koster;Ping Liu;Ping Liu;Sarith P. P. Mahanama;Sarith P. P. Mahanama

  • The Second Phase of the Global Land–Atmosphere Coupling Experiment: Soil Moisture Contributions to Subseasonal Forecast Skill

    R. D. Koster;S. P. P. Mahanama;S. P. P. Mahanama;S. P. P. Mahanama;T. J. Yamada;T. J. Yamada;T. J. Yamada;Gianpaolo Balsamo

  • Assessment of MERRA-2 Land Surface Hydrology Estimates

    Rolf H. Reichle;Clara S. Draper;Clara S. Draper;Q. Liu;Manuela Girotto;Manuela Girotto

  • Land Surface Precipitation in MERRA-2

    Rolf H. Reichle;Q. Liu;Randal D. Koster;Clara S. Draper

  • Skill in streamflow forecasts derived from large-scale estimates of soil moisture and snow

    Randal D. Koster;Sarith P. P. Mahanama;Sarith P. P. Mahanama;Ben Livneh;Dennis P. Lettenmaier

  • Assessment of the SMAP Level-4 surface and root-zone soil moisture product using in situ measurements

    Rolf H. Reichle;Gabrielle J. M. De Lannoy;Qing Liu;Joseph V. Ardizzone

  • The Rhône-Aggregation Land Surface Scheme Intercomparison Project: An Overview

    Aaron A. Boone;F. Habets;J. Noilhan;D. Clark

  • Simulation of high-latitude hydrological processes in the Torne-Kalix basin: PILPS phase 2(e) - 1: Experiment description and summary intercomparisons

    Laura C. Bowling;Dennis P. Lettenmaier;Bart Nijssen;Bart Nijssen;L. Phil Graham

  • Version 4 of the SMAP Level-4 Soil Moisture algorithm and data product

    Rolf H. Reichle;Qing Liu;Randal D. Koster;Wade T. Crow

  • Radiative forcing and temperature response to changes in urban albedos and associated CO 2 offsets

    Surabi Menon;Hashem Akbari;Hashem Akbari;Sarith Mahanama;Igor Sednev

  • Multimodel Ensemble Reconstruction of Drought over the Continental United States

    Aihui Wang;Theodore J. Bohn;Sarith P. Mahanama;Randal D. Koster

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

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

  • Simulation of high latitude hydrological processes in the Torne-Kalix basin : PILPS phase 2(e) - 2: Comparison of model results with observations

    Bart Nijssen;Bart Nijssen;Laura C. Bowling;Dennis P. Lettenmaier;Douglas B. Clark

  • An updated treatment of soil texture and associated hydraulic properties in a global land modeling system

    Gabriëlle J. M. De Lannoy;Gabriëlle J. M. De Lannoy;Randal D. Koster;Rolf H. Reichle;Sarith P. P. Mahanama

  • Soil Moisture, Snow, and Seasonal Streamflow Forecasts in the United States

    Sarith Mahanama;Ben Livneh;Randal Koster;Dennis Lettenmaier

  • Verification of land-atmosphere coupling in forecast models, reanalyses and land surface models using flux site observations.

    Paul A. Dirmeyer;Liang Chen;Jiexia Wu;Chul Su Shin

  • Contribution of soil moisture retrievals to land data assimilation products

    Rolf H. Reichle;Rolf H. Reichle;W. T. Crow;R. D. Koster;H. O. Sharif

  • Flash Drought as Captured by Reanalysis Data: Disentangling the Contributions of Precipitation Deficit and Excess Evapotranspiration

    R. D. Koster;S. D. Schubert;H. Wang;S. P. Mahanama

  • Land Surface Controls on Hydroclimatic Means and Variability

    Randal D. Koster;Sarith P. P. Mahanama

Frequent Co-Authors

Randal D. Koster
Randal D. Koster Goddard Space Flight Center
Rolf H. Reichle
Rolf H. Reichle Goddard Space Flight Center
Wade T. Crow
Wade T. Crow Agricultural Research Service
Peter R. Colarco
Peter R. Colarco Goddard Space Flight Center
Sujay V. Kumar
Sujay V. Kumar Goddard Space Flight Center
Yongkang Xue
Yongkang Xue University of California, Los Angeles
Siegfried D. Schubert
Siegfried D. Schubert Goddard Space Flight Center
Dennis P. Lettenmaier
Dennis P. Lettenmaier University of California, Los Angeles
Michael G. Bosilovich
Michael G. Bosilovich Goddard Space Flight Center

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