World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
39
Citations
9169
World Ranking
8243
National Ranking
2942

Karen E. Frey 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 Karen E. Frey 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: 126 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Karen E. Frey 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 Karen E. Frey 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: 39 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Overview

Karen E. Frey is affiliated with Clark University in the United States and has contributed extensively to research in Earth and Planetary Sciences and Environmental Science. Their work spans several subfields including Atmospheric Science, Oceanography, Ecology, Global and Planetary Change, and Geology.

Their research focuses on key topics such as Arctic and Antarctic ice dynamics, marine and coastal ecosystems, climate change and permafrost, oceanographic and atmospheric processes, cryospheric studies and observations, isotope analysis in ecology, and climate variability and models.

Frequent coauthors in their research include Lee W. Cooper, Jacqueline M. Grebmeier, Robert G. M. Spencer, Larry Stock, and Clare B. Gaffey.

Their publication record includes papers in prominent venues with multiple publications in PLoS ONE, the Journal of Geophysical Research Biogeosciences, and Remote Sensing. Other journals include Biogeosciences and Global Biogeochemical Cycles.

Selected recent papers by Karen E. Frey include:

  • Seasonal and latitudinal variations in sea ice algae deposition in the Northern Bering and Chukchi Seas determined by algal biomarkers, 2020, PLoS ONE
  • First pan-Arctic assessment of dissolved organic carbon in lakes of the permafrost region, 2021, Biogeosciences
  • On the variability of the Bering Sea Cold Pool and implications for the biophysical environment, 2024, OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Hydrologic and Landscape Controls on Dissolved Organic Matter Composition Across Western North American Arctic Lakes, 2022, Global Biogeochemical Cycles
  • Arctic Report Card 2020: Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline, 2020, National Oceanic and Atmospheric Administration (NOAA) - NOAA Central Library

Best Publications

  • A major ecosystem shift in the northern Bering Sea.

    Jacqueline M. Grebmeier;James E. Overland;Sue E. Moore;Ed V. Farley

  • Massive Phytoplankton Blooms Under Arctic Sea Ice

    Kevin R. Arrigo;Donald K. Perovich;Donald K. Perovich;Robert S. Pickart;Zachary W. Brown

  • Impacts of permafrost degradation on arctic river biogeochemistry.

    Karen E. Frey;James W. McClelland

  • Siberian Peatlands a Net Carbon Sink and Global Methane Source Since the Early Holocene

    Laurence C Smith;G M MacDonald;A A Velichko;D W Beilman

  • Amplified carbon release from vast West Siberian peatlands by 2100

    Karen E. Frey;Laurence C. Smith

  • Divergent trajectories of Antarctic surface melt under two twenty-first-century climate scenarios

    Luke D. Trusel;Luke D. Trusel;Karen E. Frey;Sarah B. Das;Kristopher B. Karnauskas

  • Phytoplankton blooms beneath the sea ice in the Chukchi sea

    Kevin R. Arrigo;Donald K. Perovich;Donald K. Perovich;Robert S. Pickart;Zachary W. Brown

  • Ecosystem characteristics and processes facilitating persistent macrobenthic biomass hotspots and associated benthivory in the Pacific Arctic

    Jacqueline M. Grebmeier;Bodil A. Bluhm;Bodil A. Bluhm;Lee W. Cooper;Seth L. Danielson

  • A high-resolution GIS-based inventory of the west Siberian peat carbon pool

    Yongwei Sheng;Laurence C. Smith;Glen M. MacDonald;Konstantine V. Kremenetski;Konstantine V. Kremenetski

  • Peatlands of the Western Siberian lowlands: current knowledge on zonation, carbon content and Late Quaternary history

    K.V Kremenetski;K.V Kremenetski;A.A Velichko;O.K Borisova;G.M MacDonald

  • Divergent patterns of recent sea ice cover across the Bering, Chukchi, and Beaufort seas of the Pacific Arctic Region

    Karen E. Frey;G.W.K. Moore;Lee W. Cooper;Jacqueline M. Grebmeier

  • Geochemistry of west Siberian streams and their potential response to permafrost degradation

    Karen E. Frey;Karen E. Frey;Donald I. Siegel;Laurence C. Smith

  • Biological Response to Recent Pacific Arctic Sea Ice Retreats

    Jacqueline M. Grebmeier;Sue E. Moore;James E. Overland;Karen E. Frey

  • Impacts of climate warming and permafrost thaw on the riverine transport of nitrogen and phosphorus to the Kara Sea

    Karen E. Frey;James W. McClelland;Robert M. Holmes;Laurence C. Smith

  • Satellite‐based estimates of Antarctic surface meltwater fluxes

    Luke D. Trusel;Karen E. Frey;Sarah B. Das;Peter Kuipers Munneke

  • The spatial distribution of solar radiation under a melting Arctic sea ice cover

    Karen E. Frey;Donald K. Perovich;Donald K. Perovich;Bonnie Light

  • How well do we know northern land cover? Comparison of four global vegetation and wetland products with a new ground‐truth database for West Siberia

    Karen E. Frey;Karen E. Frey;Laurence C. Smith

  • Antarctic surface melting dynamics: Enhanced perspectives from radar scatterometer data

    Luke D. Trusel;Karen E. Frey;Sarah B. Das

  • Spatial and interannual variability of dissolved organic matter in the Kolyma River, East Siberia, observed using satellite imagery

    Claire G. Griffin;Claire G. Griffin;Karen E. Frey;John Rogan;Robert M. Holmes

  • Changing temperature and precipitation extremes in the Hindu Kush-Himalayan region: an analysis of CMIP3 and CMIP5 simulations and projections

    Prajjwal K. Panday;Jeanne Thibeault;Karen E. Frey

  • Quantifying CDOM and DOC in major Arctic rivers during ice-free conditions using Landsat TM and ETM+ data

    C.G. Griffin;J.W. McClelland;K.E. Frey;G. Fiske

Frequent Co-Authors

Jeremy T. Mathis
Jeremy T. Mathis National Oceanic and Atmospheric Administration
Lee W. Cooper
Lee W. Cooper University of Maryland Center For Environmental Sciences
Jacqueline M. Grebmeier
Jacqueline M. Grebmeier University of Maryland Center For Environmental Sciences
Laurence C. Smith
Laurence C. Smith Brown University
Sarah B. Das
Sarah B. Das Woods Hole Oceanographic Institution
Robert M. Holmes
Robert M. Holmes Woods Hole Research Center
Christine Michel
Christine Michel Fisheries and Oceans Canada
Matt O'Regan
Matt O'Regan Stockholm University
Guido Grosse
Guido Grosse Alfred Wegener Institute for Polar and Marine Research
Marit Reigstad
Marit Reigstad University of Tromsø - The Arctic University of Norway

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in environmental sciences, exploring related online degrees can expand career possibilities significantly. Many students pursue interdisciplinary study by enrolling in programs like online sociology bachelor programs. These blend social factors with environmental concerns, preparing graduates for roles in community planning or policy development.

Advanced education options also support career growth. Professionals looking to enhance their expertise might consider education doctoral programs without dissertation, which offer flexibility without the burden of dissertation research. These programs are ideal for those focused on environmental education leadership.

For educators seeking further advancement, eds to edd bridge program pathways provide a streamlined route from a master's level to doctoral degree, sharpened for leadership in environmental curriculum development and policy.

Lastly, individuals committed to social impact might explore online dsw programs, which prepare graduates for advanced practice and advocacy roles intersecting with environmental justice movements. These related degrees and career pathways enrich the landscape of environmental science education and professional opportunities.

Best Scientists Citing Karen E. Frey

Trending Scientists

Recently Published Articles