World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
65
Citations
14995
World Ranking
2208
National Ranking
896

Gregory S. Okin 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 Gregory S. Okin 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: 249 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Gregory S. Okin 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 Gregory S. Okin 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: 65 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2020 - Fellow of American Geophysical Union (AGU)

Overview

Gregory S. Okin is affiliated with the University of California, Los Angeles in the United States. Their research primarily spans the fields of Environmental Science and Earth and Planetary Sciences, with significant contributions across several subfields including Global and Planetary Change, Earth-Surface Processes, Atmospheric Science, Ecology, and Environmental Engineering.

The scientist's work focuses on a range of topics such as Aeolian processes and effects, Atmospheric aerosols and clouds, Atmospheric chemistry and aerosols, Fire effects on ecosystems, Remote Sensing and LiDAR Applications, Soil erosion and sediment transport, and Biocrusts and Microbial Ecology.

Gregory S. Okin has published extensively in several venues, including Ecosphere, Remote Sensing of Environment, Atmospheric Chemistry and Physics, Geophysical Research Letters, and Ecology. Their frequent co-authors include Michael C. Duniway, Debra P. C. Peters, Abinash Bhattachan, David D. Breshears, and Osvaldo E. Sala.

Representative recent papers include:

  • Effects of precipitation, heat, and drought on incidence and expansion of coccidioidomycosis in western USA: a longitudinal surveillance study, 2022, The Lancet Planetary Health
  • The season for large fires in Southern California is projected to lengthen in a changing climate, 2022, Communications Earth & Environment
  • Characterizing spatial variability in coastal wetland biomass across multiple scales using UAV and satellite imagery, 2021, Remote Sensing in Ecology and Conservation
  • Quantifying uncertainty for remote spectroscopy of surface composition, 2020, Remote Sensing of Environment
  • On-orbit calibration and performance of the EMIT imaging spectrometer, 2024, Remote Sensing of Environment

Gregory S. Okin was awarded the Fellow of the American Geophysical Union (AGU) in 2020.

Best Publications

  • Global distribution of atmospheric phosphorus sources, concentrations and deposition rates, and anthropogenic impacts

    Natalie Mahowald;Timothy D. Jickells;Alex R. Baker;Paulo Artaxo

  • Impact of desert dust on the biogeochemistry of phosphorus in terrestrial ecosystems

    Gregory S. Okin;Natalie Mahowald;Oliver A. Chadwick;Paulo Artaxo

  • Practical limits on hyperspectral vegetation discrimination in arid and semiarid environments

    Gregory S Okin;Dar A Roberts;Bruce Murray;William J Okin

  • A synthetic review of feedbacks and drivers of shrub encroachment in arid grasslands

    Paolo D'Odorico;Paolo D'Odorico;Gregory S. Okin;Brandon T. Bestelmeyer

  • On soil moisture–vegetation feedbacks and their possible effects on the dynamics of dryland ecosystems

    Paolo D'Odorico;Kelly Caylor;Gregory S. Okin;Todd M. Scanlon

  • Quantitative effects of vegetation cover on wind erosion and soil nutrient loss in a desert grassland of southern New Mexico, USA

    Junran Li;Gregory S. Okin;Lorelei Alvarez;Howard Epstein

  • Multi-scale controls on and consequences of aeolian processes in landscape change in arid and semi-arid environments

    G.S. Okin;D.A. Gillette;J.E. Herrick

  • Desertification, land use, and the transformation of global drylands

    Brandon T Bestelmeyer;Gregory S Okin;Michael C Duniway;Steven R Archer

  • The ecology of dust

    Jason P Field;Jayne Belnap;David D Breshears;Jason C Neff

  • A new model of wind erosion in the presence of vegetation

    Gregory S. Okin

  • Responses of wind erosion to climate-induced vegetation changes on the Colorado Plateau.

    Seth M. Munson;Jayne Belnap;Gregory S. Okin

  • AEOLIAN PROCESSES AND THE BIOSPHERE

    Sujith Ravi;Paolo D'Odorico;David D. Breshears;Jason P. Field

  • Do Changes in Connectivity Explain Desertification

    Gregory S. Okin;Anthony J. Parsons;John Wainwright;Jeffrey E. Herrick

  • Impacts of atmospheric nutrient deposition on marine productivity: Roles of nitrogen, phosphorus, and iron

    Gregory S. Okin;Alex R. Baker;Ina Tegen;Natalie M. Mahowald

  • A reevaluation of the magnitude and impacts of anthropogenic atmospheric nitrogen inputs on the ocean

    T. D. Jickells;E. Buitenhuis;K. Altieri;A. R. Baker

  • Degradation of sandy arid shrubland environments: observations, process modelling, and management implications

    Gregory S Okin;Bruce Murray;William H Schlesinger

  • Atmospheric fluxes of organic N and P to the global ocean

    Maria Kanakidou;Robert A. Duce;Joseph M. Prospero;Alex R. Baker

  • Distribution of vegetation in wind‐dominated landscapes: Implications for wind erosion modeling and landscape processes

    Gregory Stewart Okin;Dale A. Gillette

  • Connectivity in dryland landscapes: shifting concepts of spatial interactions

    Gregory S. Okin;Mariano Moreno De Las Heras;Patricia M. Saco;Heather L. Throop

  • Impacts of biomass burning emissions and land use change on Amazonian atmospheric phosphorus cycling and deposition

    Natalie M. Mahowald;Paulo Artaxo;Alex R. Baker;Timothy D. Jickells

  • Effects of wind erosion on the spatial heterogeneity of soil nutrients in two desert grassland communities

    Junran Li;Gregory S. Okin;Lorelei Alvarez;Howard Epstein

Frequent Co-Authors

Paolo D'Odorico
Paolo D'Odorico University of California, Berkeley
Debra P. C. Peters
Debra P. C. Peters United States Department of Agriculture
Jeffrey E. Herrick
Jeffrey E. Herrick New Mexico State University
Lixin Wang
Lixin Wang Indiana University – Purdue University Indianapolis
Thomas H. Painter
Thomas H. Painter University of California, Los Angeles
Brandon T. Bestelmeyer
Brandon T. Bestelmeyer Agricultural Research Service
Jayne Belnap
Jayne Belnap United States Geological Survey
Stephen A. Macko
Stephen A. Macko University of Virginia
Nicholas P. Webb
Nicholas P. Webb New Mexico State University
Natalie M. Mahowald
Natalie M. Mahowald Cornell University

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