World's Best Scientists 2026 revealed!
Ramakrishna R. Nemani

Ramakrishna R. Nemani

D-Index & Metrics

Environmental Sciences

D-Index
98
Citations
59677
World Ranking
401
National Ranking
178

Ramakrishna R. Nemani 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 Ramakrishna R. Nemani 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: 298 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Ramakrishna R. Nemani 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 Ramakrishna R. Nemani 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: 98 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Overview

Ramakrishna R. Nemani is affiliated with Ames Research Center in the United States and specializes in Environmental Science, with a focus on Global and Planetary Change, Atmospheric Science, Ecology, Environmental Engineering, and Artificial Intelligence. They have contributed significantly to the understanding of earth systems through remote sensing technologies and environmental modeling.

Nemani's research topics cover a diverse range of subjects including:

  • Remote Sensing in Agriculture
  • Meteorological Phenomena and Simulations
  • Land Use and Ecosystem Services
  • Remote Sensing and LiDAR Applications
  • Advanced Image Fusion Techniques
  • Atmospheric aerosols and clouds
  • Calibration and Measurement Techniques

Their recent published papers include:

  • "NASA Global Daily Downscaled Projections, CMIP6," 2022, Scientific Data
  • "Biophysical impacts of Earth greening largely controlled by aerodynamic resistance," 2020, Science Advances
  • "Structural complexity biases vegetation greenness measures," 2023, Nature Ecology & Evolution
  • "New generation geostationary satellite observations support seasonality in greenness of the Amazon evergreen forests," 2021, Nature Communications
  • "An Introduction to the Geostationary-NASA Earth Exchange (GeoNEX) Products: 1. Top-of-Atmosphere Reflectance and Brightness Temperature," 2020, Remote Sensing

Nemani frequently collaborates with several researchers, including:

  • Weile Wang
  • Andrew Michaelis
  • Taejin Park
  • Thomas Vandal
  • Hirofumi Hashimoto

The most common venues where Nemani publishes their work encompass:

  • Remote Sensing
  • Communications Earth & Environment
  • IEEE Transactions on Neural Networks and Learning Systems
  • arXiv (Cornell University)
  • SSRN Electronic Journal

Best Publications

  • Increased plant growth in the northern high latitudes from 1981 to 1991

    R. B. Myneni;C. D. Keeling;C. J. Tucker;G. Asrar

  • Climate-Driven Increases in Global Terrestrial Net Primary Production from 1982 to 1999

    Ramakrishna R. Nemani;Charles D. Keeling;Hirofumi Hashimoto;Hirofumi Hashimoto;William M. Jolly

  • China and India lead in greening of the world through land-use management

    Chi Chen;Taejin Park;Xuhui Wang;Shilong Piao

  • A Continuous Satellite-Derived Measure of Global Terrestrial Primary Production

    Steven W Running;Ramakrishna R. Nemani;Faith Ann Heinsch;Maosheng Zhao

  • Global products of vegetation leaf area and fraction absorbed PAR from year one of MODIS data

    Ranga B. Myneni;S. Hoffman;Yuri Knyazikhin;J. Privette

  • The Moderate Resolution Imaging Spectroradiometer (MODIS): land remote sensing for global change research

    C.O. Justice;E. Vermote;J.R.G. Townshend;R. Defries

  • Characteristics, drivers and feedbacks of global greening

    Shilong Piao;Shilong Piao;Xuhui Wang;Taejin Park;Taejin Park;Chi Chen

  • Improvements of the MODIS terrestrial gross and net primary production global data set

    Maosheng Zhao;Faith Ann Heinsch;Ramakrishna R. Nemani;Steven W. Running

  • Estimation of global leaf area index and absorbed par using radiative transfer models

    R.B. Myneni;R. Ramakrishna;R. Nemani;S.W. Running

  • Intercomparison, interpretation, and assessment of spring phenology in North America estimated from remote sensing for 1982-2006

    Michael A. White;Kirsten M. de Beurs;Kamel Didan;David W. Inouye

  • Parameterization and Sensitivity Analysis of the BIOME–BGC Terrestrial Ecosystem Model: Net Primary Production Controls

    Michael A. White;Peter Edmond Thornton;Steven W Running;Ramakrishna R. Nemani

  • Amazon rainforests green‐up with sunlight in dry season

    Alfredo R. Huete;Kamel Didan;Yosio E. Shimabukuro;Piyachat Ratana

  • Mapping and modeling the biogeochemical cycling of turf grasses in the United States.

    Cristina Milesi;Steven W. Running;Christopher D. Elvidge;John B. Dietz

  • Global Data Sets of Vegetation Leaf Area Index (LAI)3g and Fraction of Photosynthetically Active Radiation (FPAR)3g Derived from Global Inventory Modeling and Mapping Studies (GIMMS) Normalized Difference Vegetation Index (NDVI3g) for the Period 1981 to 2011

    Zaichun Zhu;Jian Bi;Yaozhong Pan;Sangram Ganguly

  • Global Terrestrial Gross and Net Primary Productivity from the Earth Observing System

    Steven W Running;Peter Edmond Thornton;Ramakrishna R. Nemani;Joseph Marion Glassy

  • Estimation of regional surface resistance to evapotranspiration from NDVI and thermal-IR AVHRR data

    Ramakrishna R. Nemani;Steven W. Running

  • Evaluation of remote sensing based terrestrial productivity from MODIS using regional tower eddy flux network observations

    F.A. Heinsch;Maosheng Zhao;S.W. Running;J.S. Kimball

  • Extrapolation of synoptic meteorological data in mountainous terrain and its use for simulating forest evapotranspiration and photosynthesis

    Steven W. Running;Ramakrishna R. Nemani;Roger D. Hungerford

  • The 2007 Eastern US Spring Freeze: Increased Cold Damage in a Warming World

    Lianhong Gu;Paul J. Hanson;W. Mac Post;Dale P. Kaiser

  • Simulated impacts of historical land cover changes on global climate in northern winter

    Thomas N. Chase;Roger A. Pielke;T. G. F. Kittel;Ramakrishna R. Nemani

Frequent Co-Authors

Steven W. Running
Steven W. Running University of Montana
Ranga B. Myneni
Ranga B. Myneni Boston University
Yuri Knyazikhin
Yuri Knyazikhin Boston University
Kazuhito Ichii
Kazuhito Ichii Chiba University
Michael R. H. White
Michael R. H. White University of Manchester
Sassan Saatchi
Sassan Saatchi California Institute of Technology
Shilong Piao
Shilong Piao Peking University
John S. Kimball
John S. Kimball University of Montana
Govindasamy Bala
Govindasamy Bala Indian Institute of Science
Christopher D. Elvidge
Christopher D. Elvidge Colorado School of Mines

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