World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 39 8245 7919 2942 2735 126 9169

Karen E. Frey publications per year

The chart shows the history of publications by Karen E. Frey between 2000 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karen E. Frey published across 27 years, from 2000 to 2026, averaging 4.9 papers a year. Output peaked at 13 publications in 2014. 4 of the 132 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 2000 to 2026. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2014. 2000: 1 publication 2001: 1 publication 2002: 1 publication 2003: 4 publications 2004: 2 publications 2005: 2 publications 2006: 1 publication 2007: 6 publications 2008: 3 publications 2009: 4 publications 2010: 9 publications 2011: 10 publications 2012: 7 publications 2013: 10 publications 2014: 13 publications 2015: 12 publications 2016: 8 publications 2017: 4 publications 2018: 9 publications 2019: 2 publications 2020: 7 publications 2021: 4 publications 2022: 6 publications 2023: 1 publication 2024: 1 publication 2025: 1 publication 2026: 3 publications
2000 2026

132 publications in total across all disciplines

View publications per year as a table
Karen E. Frey: publications per year, 2000 to 2026
Year Publications
2000 1
2001 1
2002 1
2003 4
2004 2
2005 2
2006 1
2007 6
2008 3
2009 4
2010 9
2011 10
2012 7
2013 10
2014 13
2015 12
2016 8
2017 4
2018 9
2019 2
2020 7
2021 4
2022 6
2023 1
2024 1
2025 1
2026 3
Total 132
Download as CSV

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.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 121–130 publications, is where this scientist sits. 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41–50 publications 690+

This scientist: 126 publications — 28th percentile

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

The last bar groups every scientist with 690 publications or more.

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617 126
131–140 544
141–150 541
151–160 539
161–170 444
171–180 444
181–190 400
191–200 377
201–210 318
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100
Download as CSV

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.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 39 D-Index, is where this scientist sits. 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

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 126 D-Index or more.

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163
36 206
37 267
38 265
39 275 39
40 321
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98
70 94
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
Download as CSV

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