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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 47 3977 3649 1557 1381 90 9140

Peter J. Hernes publications per year

The chart shows the history of publications by Peter J. Hernes between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Peter J. Hernes published across 37 years, from 1989 to 2025, averaging 2.9 papers a year. Output peaked at 8 publications in 2008. 3 of the 106 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 8. Peak 8 publications in 2008. 1989: 1 publication 1990: 0 publications 1991: 1 publication 1992: 0 publications 1993: 2 publications 1994: 0 publications 1995: 0 publications 1996: 1 publication 1997: 2 publications 1998: 0 publications 1999: 1 publication 2000: 1 publication 2001: 2 publications 2002: 1 publication 2003: 1 publication 2004: 1 publication 2005: 1 publication 2006: 1 publication 2007: 4 publications 2008: 8 publications 2009: 7 publications 2010: 6 publications 2011: 6 publications 2012: 6 publications 2013: 4 publications 2014: 7 publications 2015: 4 publications 2016: 8 publications 2017: 4 publications 2018: 1 publication 2019: 5 publications 2020: 6 publications 2021: 2 publications 2022: 3 publications 2023: 6 publications 2024: 1 publication 2025: 2 publications
1989 2025

106 publications in total across all disciplines

View publications per year as a table
Peter J. Hernes: publications per year, 1989 to 2025
Year Publications
1989 1
1990 0
1991 1
1992 0
1993 2
1994 0
1995 0
1996 1
1997 2
1998 0
1999 1
2000 1
2001 2
2002 1
2003 1
2004 1
2005 1
2006 1
2007 4
2008 8
2009 7
2010 6
2011 6
2012 6
2013 4
2014 7
2015 4
2016 8
2017 4
2018 1
2019 5
2020 6
2021 2
2022 3
2023 6
2024 1
2025 2
Total 106
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Peter J. Hernes publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Peter J. Hernes sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 88–97 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 90 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376 90
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Peter J. Hernes D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Peter J. Hernes sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 47 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 47 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202 47
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

Peter J. Hernes is affiliated with the University of California, Davis in the United States. Their research spans the fields of Environmental Science and Earth and Planetary Sciences with a focus on several interconnected subfields including Oceanography, Ecology, Atmospheric Science, Environmental Chemistry, and Global and Planetary Change.

The main topics covered in their work include marine and coastal ecosystems, Arctic and Antarctic ice dynamics, soil and water nutrient dynamics, climate change and permafrost, peatlands and wetlands ecology, microbial community ecology and physiology, and atmospheric and environmental gas dynamics.

Hernes has published multiple papers in notable scientific journals. Among recent publications are:

  • "DOM degradation by light and microbes along the Yukon River-coastal ocean continuum" (2021, Scientific Reports)
  • "Element cycling and aquatic function in a changing Arctic" (2021, Limnology and Oceanography)
  • "The Transformation and Export of Organic Carbon Across an Arctic River-Delta-Ocean Continuum" (2022, Journal of Geophysical Research Biogeosciences)
  • "Arctic biogeochemical and optical properties of dissolved organic matter across river to sea gradients" (2022, Frontiers in Marine Science)
  • "Global Riverine Export of Dissolved Lignin Constrained by Hydrology, Geomorphology, and Land-Cover" (2023, Global Biogeochemical Cycles)

Frequent co-authors in Hernes's work include Robert G. M. Spencer, Brian A. Bergamaschi, Maria Tzortziou, Antonio Mannino, and B. A. Pellerin. These collaborations reflect a diverse network of researchers engaged in related environmental and geochemical studies.

Hernes's research is regularly published in venues such as the Journal of Geophysical Research Biogeosciences, Frontiers in Earth Science, Zenodo (CERN European Organization for Nuclear Research), Scientific Reports, and Limnology and Oceanography.

Best Publications

  • Illuminated darkness: molecular signatures of Congo River dissolved organic matter and its photochemical alteration as revealed by ultrahigh precision mass spectrometry.

    Aron Stubbins;Robert G. M. Spencer;Hongmei Chen;Patrick G. Hatcher

  • Glaciers as a source of ancient and labile organic matter to the marine environment

    Eran Hood;Jason Fellman;Jason Fellman;Robert G. M. Spencer;Robert G. M. Spencer;Peter J. Hernes

  • Molecular indicators of diagenetic status in marine organic matter

    Stuart G. Wakeham;Cindy Lee;John I. Hedges;Peter J. Hernes

  • Photochemical and microbial degradation of dissolved lignin phenols: Implications for the fate of terrigenous dissolved organic matter in marine environments

    Peter J. Hernes;Peter J. Hernes;Ronald Benner

  • Photochemical degradation of dissolved organic matter and dissolved lignin phenols from the Congo River

    Robert G. M. Spencer;Aron Stubbins;Peter J. Hernes;Andy Baker

  • Seasonal and spatial variability in dissolved organic matter quantity and composition from the Yukon River basin, Alaska

    Robert G. M. Spencer;George R. Aiken;Kimberly P. Wickland;Robert G. Striegl

  • Utilizing chromophoric dissolved organic matter measurements to derive export and reactivity of dissolved organic carbon exported to the Arctic Ocean: A case study of the Yukon River, Alaska

    Robert G. M. Spencer;Robert G. M. Spencer;George R. Aiken;Kenna D. Butler;Mark M. Dornblaser

  • Tannin diagenesis in mangrove leaves from a tropical estuary: a novel molecular approach

    Peter J Hernes;Ronald Benner;Gregory L Cowie;Miguel A Goñi

  • Compositions and transport of lipid biomarkers through the water column and surficial sediments of the equatorial Pacific Ocean

    Stuart G. Wakeham;John I. Hedges;Cindy Lee;Michael L. Peterson

  • Anthropogenic aerosols as a source of ancient dissolved organic matter in glaciers

    Aron Stubbins;Eran Hood;Peter A. Raymond;George R. Aiken

  • Fractionation of lignin during leaching and sorption and implications for organic matter ``freshness''

    Peter J. Hernes;Amelia C. Robinson;Anthony K. Aufdenkampe

  • The impact of glacier runoff on the biodegradability and biochemical composition of terrigenous dissolved organic matter in near-shore marine ecosystems

    Jason B. Fellman;Robert G.M. Spencer;Peter J. Hernes;Rick T. Edwards

  • Diurnal variability in riverine dissolved organic matter composition determined by in situ optical measurement in the San Joaquin River (California, USA)

    Robert G. M. Spencer;Brian A. Pellerin;Brian A. Bergamaschi;Bryan D. Downing

  • Temporal controls on dissolved organic matter and lignin biogeochemistry in a pristine tropical river, Democratic Republic of Congo

    Robert G. M. Spencer;Peter J. Hernes;Rosmarie Ruf;Andy Baker

  • Fluorescence‐based proxies for lignin in freshwater dissolved organic matter

    Peter J. Hernes;Brian A. Bergamaschi;Robert S. Eckard;Robert G. M. Spencer

  • Molecular Signatures of Biogeochemical Transformations in Dissolved Organic Matter from Ten World Rivers

    Thomas Riedel;Maren Zark;Anssi V. Vähätalo;Jutta Niggemann

  • Lignin biogeochemistry: from modern processes to Quaternary archives

    Catherine N. Jex;Gary H. Pate;Alison J. Blyth;Robert G.M. Spencer

  • Pan-arctic trends in terrestrial dissolved organic matter from optical measurements

    Paul J. Mann;Robert G.M. Spencer;Peter J. Hernes;Johan Six

  • Transport and diagenesis of dissolved and particulate terrigenous organic matter in the North Pacific Ocean

    Peter J Hernes;Peter J Hernes;Ronald Benner

  • Tannin signatures of barks, needles, leaves, cones, and wood at the molecular level

    Peter J Hernes;John I Hedges

  • Determination of condensed tannin monomers in environmental samples by capillary gas chromatography of acid depolymerization extracts

    Peter J. Hernes;John I. Hedges

Frequent Co-Authors

Robert G. M. Spencer
Robert G. M. Spencer Florida State University
Brian A. Bergamaschi
Brian A. Bergamaschi United States Geological Survey
Johan Six
Johan Six ETH Zurich
John I. Hedges
John I. Hedges University of Washington
George R. Aiken
George R. Aiken United States Geological Survey
Aron Stubbins
Aron Stubbins Northeastern University
Cindy Lee
Cindy Lee Stony Brook University
Andy Baker
Andy Baker University of New South Wales
Stuart G. Wakeham
Stuart G. Wakeham Skidaway Institute of Oceanography
Ronald Benner
Ronald Benner University of South Carolina

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