World's Best Scientists 2026 revealed!
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Environmental Sciences
USA
2026

D-Index & Metrics

Environmental Sciences

D-Index
112
Citations
41955
World Ranking
183
National Ranking
86

Ram Oren 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 Ram Oren 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: 419 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Ram Oren 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 Ram Oren 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: 112 D-Index — 98th percentile

98% 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

  • 2026 - Research.com Environmental Sciences in United States Leader Award

Best Publications

  • Progressive Nitrogen Limitation of Ecosystem Responses to Rising Atmospheric Carbon Dioxide

    Yiqi Luo;Bo Su;William S. Currie;Jeffrey S. Dukes

  • Soil fertility limits carbon sequestration by forest ecosystems in a CO 2 -enriched atmosphere

    Ram Oren;David S Ellsworth;David S Ellsworth;Kurt H Johnsen;Nathan C. Phillips

  • Survey and synthesis of intra- and interspecific variation in stomatal sensitivity to vapour pressure deficit

    R. Oren;J. S. Sperry;G. G. Katul;D. E. Pataki

  • Forest response to elevated CO2 is conserved across a broad range of productivity.

    Richard J. Norby;Evan H. DeLucia;Birgit Gielen;Carlo Calfapietra

  • Water deficits and hydraulic limits to leaf water supply.

    J. S. Sperry;U. G. Hacke;R. Oren;J. P. Comstock

  • Differential responses to changes in growth temperature between trees from different functional groups and biomes: a review and synthesis of data

    Danielle A. Way;Ram Oren

  • Mechanisms of long-distance dispersal of seeds by wind

    Ran Nathan;Gabriel G. Katul;Henry S. Horn;Suvi M. Thomas

  • Observed increase in local cooling effect of deforestation at higher latitudes

    Xuhui Lee;Michael L. Goulden;David Y. Hollinger;Alan Barr

  • Pulmonary and systemic distribution of inhaled ultrafine silver particles in rats.

    Unknown

  • The likely impact of elevated [CO2], nitrogen deposition, increased temperature and management on carbon sequestration in temperate and boreal forest ecosystems: a literature review.

    Ritta Hyvönen;Goran I. Agren;Sune Linder;Tryggve Persson

  • Evapotranspiration: A process driving mass transport and energy exchange in the soil‐plant‐atmosphere‐climate system

    Gabriel G. Katul;Gabriel G. Katul;Ram Oren;Ram Oren;Stefano Manzoni;Chad Higgins

  • Application of the pipe model theory to predict canopy leaf area.

    R. H. Waring;P. E. Schroeder;R. Oren

  • Increases in the flux of carbon belowground stimulate nitrogen uptake and sustain the long‐term enhancement of forest productivity under elevated CO2

    John E. Drake;Anne Gallet-Budynek;Anne Gallet-Budynek;Kirsten S. Hofmockel;Emily S. Bernhardt

  • Simple additive effects are rare: a quantitative review of plant biomass and soil process responses to combined manipulations of CO2 and temperature.

    Wouter I. J. Dieleman;Wouter I. J. Dieleman;Sara Vicca;Feike A. Dijkstra;Frank Hagedorn

  • Radial patterns of xylem sap flow in non‐, diffuse‐ and ring‐porous tree species

    N. Phillips;R. Oren;R. Zimmermann

  • Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under elevated CO2

    Adrien C. Finzi;Richard J. Norby;Carlo Calfapietra;Anne Gallet-Budynek

  • Evaluation of 11 terrestrial carbon–nitrogen cycle models against observations from two temperate Free‐Air CO2 Enrichment studies

    Soenke Zaehle;Belinda E. Medlyn;Martin G. De Kauwe;Anthony P. Walker

  • Canopy nitrogen, carbon assimilation, and albedo in temperate and boreal forests: Functional relations and potential climate feedbacks

    S. V. Ollinger;A. D. Richardson;M. E. Martin;D. Y. Hollinger

  • Forest water use and water use efficiency at elevated CO2: a model‐data intercomparison at two contrasting temperate forest FACE sites

    Martin G. De Kauwe;Belinda E. Medlyn;Soenke Zaehle;Anthony P. Walker

  • Influence of soil porosity on water use in Pinus taeda

    U G Hacke;John S Sperry;Brent E Ewers;D S Ellsworth

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Related Online Degrees & Career Pathways

For those interested in expanding their expertise beyond Environmental Sciences, a variety of online degree options can provide valuable skills and career flexibility. Many professionals consider advanced credentials like the online eds to edd programs, which focus on education leadership and can benefit those aiming to influence environmental education policies.

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If flexibility and cost are priorities, students might explore an online general studies bachelor degree cheap option. This pathway allows learners to customize coursework to include environmental topics alongside other disciplines, facilitating a broad skill set.

Lastly, some may seek lighter academic workloads while still earning a relevant degree. The easiest bachelors degree options can provide a starting point, especially when paired with internships or certifications in environmental fields.

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