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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 82 874 832 379 350 423 28661

William J. Riley publications per year

The chart shows the history of publications by William J. Riley between 1979 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. William J. Riley published across 48 years, from 1979 to 2026, averaging 13 papers a year. Output peaked at 50 publications in 2019. 27 of the 622 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1979 to 2026. Vertical axis: number of publications, 0 to 50. Peak 50 publications in 2019. 1979: 1 publication 1980: 0 publications 1981: 2 publications 1982: 0 publications 1983: 1 publication 1984: 2 publications 1985: 0 publications 1986: 2 publications 1987: 3 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 1 publication 1992: 0 publications 1993: 1 publication 1994: 0 publications 1995: 1 publication 1996: 4 publications 1997: 2 publications 1998: 0 publications 1999: 2 publications 2000: 2 publications 2001: 7 publications 2002: 8 publications 2003: 3 publications 2004: 6 publications 2005: 9 publications 2006: 13 publications 2007: 8 publications 2008: 23 publications 2009: 13 publications 2010: 18 publications 2011: 17 publications 2012: 33 publications 2013: 28 publications 2014: 27 publications 2015: 30 publications 2016: 37 publications 2017: 40 publications 2018: 31 publications 2019: 50 publications 2020: 38 publications 2021: 37 publications 2022: 36 publications 2023: 28 publications 2024: 31 publications 2025: 26 publications 2026: 1 publication
1979 2026

622 publications in total across all disciplines

View publications per year as a table
William J. Riley: publications per year, 1979 to 2026
Year Publications
1979 1
1980 0
1981 2
1982 0
1983 1
1984 2
1985 0
1986 2
1987 3
1988 0
1989 0
1990 0
1991 1
1992 0
1993 1
1994 0
1995 1
1996 4
1997 2
1998 0
1999 2
2000 2
2001 7
2002 8
2003 3
2004 6
2005 9
2006 13
2007 8
2008 23
2009 13
2010 18
2011 17
2012 33
2013 28
2014 27
2015 30
2016 37
2017 40
2018 31
2019 50
2020 38
2021 37
2022 36
2023 28
2024 31
2025 26
2026 1
Total 622
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William J. Riley publications per year - data summary

  • William J. Riley, a Environmental Sciences scholar from Lawrence Berkeley National Laboratory, has 622 publications recorded across 48 years, from 1979 to 2026.
  • The oldest publication on record dates to 1979 and the most recent to 2026.
  • The most productive year is 2019, with 50 publications.
  • The least productive years with any output are 1979, 1983, 1991, 1993 and others, with 1 publication each.
  • 9 of the 48 years in the span carry no publications at all (1980, 1982, 1985, 1988 and others).
  • The rate of publication averages 13.0 papers per year over the whole span, or 15.9 per year counting only the 39 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 122 publications, 20% of the career total.
  • Split into equal eras - 1979-1994: 13 publications (0.8 per year); 1995-2010: 119 publications (7.4 per year); 2011-2026: 490 publications (30.6 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

William J. Riley 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 William J. Riley 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, 421–430 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: 423 publications — 95th percentile

95% 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
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 36 423
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
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William J. Riley publication distribution in Environmental Sciences in 2026 - data summary

  • The chart plots the publication count of all 9,676 Environmental Sciences scientists ranked by Research.com in 2026, grouped into 66 ranges running from 41–50 to 690+ publications.
  • William J. Riley, a Environmental Sciences scholar from Lawrence Berkeley National Laboratory, records 423 publications - the 95th percentile of the discipline.
  • 95% of ranked Environmental Sciences scientists score the same or lower than William J. Riley, and about 5% score higher.
  • The median of the discipline falls in the 161–170 publications range, and William J. Riley ranks above the median.
  • The most crowded range is 121–130 publications, holding 617 scientists (6% of the field).
  • 67% of the field sits in the lowest quarter of the value range (up to 201–210 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 690 publications or more, 100 scientists in all (1% of the field).

William J. Riley 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 William J. Riley 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, 82 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: 82 D-Index — 91st percentile

91% 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
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 82
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
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William J. Riley D-index placement in Environmental Sciences in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,676 Environmental Sciences scientists ranked by Research.com in 2026, grouped into 97 ranges running from 30 to 126+ D-Index.
  • William J. Riley, a Environmental Sciences scholar from Lawrence Berkeley National Laboratory, records 82 D-Index - the 91st percentile of the discipline.
  • 91% of ranked Environmental Sciences scientists score the same or lower than William J. Riley, and about 9% score higher.
  • The median of the discipline falls in the 51 D-Index range, and William J. Riley ranks above the median.
  • The most crowded range is 45 D-Index, holding 348 scientists (4% of the field).
  • 59% of the field sits in the lowest quarter of the value range (up to 54 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 126 D-Index or more, 92 scientists in all (<1% of the field).

Overview

William J. Riley is affiliated with the Lawrence Berkeley National Laboratory in the United States. Their research spans primarily the fields of Environmental Science and Earth and Planetary Sciences, with a significant focus on global and planetary change, atmospheric science, and ecology. Their work also addresses specific subfields such as soil science and plant science.

Their research topics cover a broad range of environmental and ecological areas, including:

  • Peatlands and Wetlands Ecology
  • Atmospheric and Environmental Gas Dynamics
  • Climate change and permafrost
  • Plant Water Relations and Carbon Dynamics
  • Climate variability and models
  • Cryospheric studies and observations
  • Soil Carbon and Nitrogen Dynamics

Among the recent papers, notable publications include:

  • "The Global Methane Budget 2000-2017" (2020, NOAA Institutional Repository)
  • "Global stocks and capacity of mineral-associated soil organic carbon" (2022, Nature Communications)
  • "Spatial heterogeneity and environmental predictors of permafrost region soil organic carbon stocks" (2021, Science Advances)
  • "Arctic tundra shrubification: a review of mechanisms and impacts on ecosystem carbon balance" (2021, Environmental Research Letters)
  • "Five years of whole-soil warming led to loss of subsoil carbon stocks and increased CO 2 efflux" (2021, Science Advances)

William J. Riley frequently collaborates with several co-authors, including:

  • Qing Zhu
  • Z. A. Mekonnen
  • Jinyun Tang
  • R. F. Grant
  • Robert B. Jackson

Their work has been published frequently in venues such as:

  • Environmental Research Letters
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Global Change Biology
  • Journal of Geophysical Research Biogeosciences
  • Journal of Advances in Modeling Earth Systems

Best Publications

  • The global methane budget 2000–2017

    Marielle Saunois;Ann R. Stavert;Ben Poulter;Philippe Bousquet

  • The Community Land Model version 5 : description of new features, benchmarking, and impact of forcing uncertainty

    David M. Lawrence;Rosie A. Fisher;Charles D. Koven;Keith W. Oleson

  • The global methane budget 2000–2012

    Marielle Saunois;Philippe Bousquet;Ben Poulter;Anna Peregon

  • Global stocks and capacity of mineral-associated soil organic carbon

    Unknown

  • The DOE E3SM Coupled Model Version 1: Overview and Evaluation at Standard Resolution

    Jean Christophe Golaz;Peter M. Caldwell;Luke P. Van Roekel;Mark R. Petersen

  • Present state of global wetland extent and wetland methane modelling: conclusions from a model inter-comparison project (WETCHIMP)

    J. R. Melton;J. R. Melton;R. Wania;E. L. Hodson;B. Poulter

  • Indoor Particulate Matter of Outdoor Origin: Importance of Size-Dependent Removal Mechanisms

    William J. Riley;Thomas E. McKone;and Alvin C. K. Lai;William W. Nazaroff

  • Analysis of Permafrost Thermal Dynamics and Response to Climate Change in the CMIP5 Earth System Models

    Charles D. Koven;William J. Riley;Alex Stern

  • A model-data comparison of gross primary productivity: Results from the North American Carbon Program site synthesis

    Kevin Schaefer;Christopher R. Schwalm;Chris Williams;M. Altaf Arain

  • The International Land Model Benchmarking (ILAMB) System: Design, Theory, and Implementation

    Nathan Collier;Forrest M. Hoffman;Forrest M. Hoffman;David M. Lawrence;Gretchen Keppel-Aleks

  • Barriers to predicting changes in global terrestrial methane fluxes: analyses using CLM4Me, a methane biogeochemistry model integrated in CESM

    W. J. Riley;Z. M. Subin;D. M. Lawrence;S. C. Swenson

  • Expert assessment of vulnerability of permafrost carbon to climate change

    E. A. G. Schuur;B. W. Abbott;W. B. Bowden;V. Brovkin

  • An improved lake model for climate simulations: Model structure, evaluation, and sensitivity analyses in CESM1

    Zachary M. Subin;Zachary M. Subin;William J. Riley;Dmitrii Mironov

  • Spatial heterogeneity and environmental predictors of permafrost region soil organic carbon stocks

    Umakant Mishra;Gustaf Hugelius;Eitan Shelef;Yuanhe Yang

  • A framework for benchmarking land models

    Yiqi Luo;J. Randerson;G. Abramowitz;C. Bacour

  • Permafrost carbon-climate feedback is sensitive to deep soil carbon decomposability but not deep soil nitrogen dynamics.

    Charles D. Koven;David M. Lawrence;William J. Riley

  • A model‐data intercomparison of CO2 exchange across North America: Results from the North American Carbon Program site synthesis

    Christopher R. Schwalm;Christopher A. Williams;Kevin Schaefer;Ryan S. Anderson

  • Arctic tundra shrubification: a review of mechanisms and impacts on ecosystem carbon balance

    Zelalem A Mekonnen;William J Riley;Logan T Berner;Nicholas J Bouskill

  • Methanogenesis in oxygenated soils is a substantial fraction of wetland methane emissions.

    Jordan C. Angle;Timothy H. Morin;Lindsey M. Solden;Adrienne B. Narrowe

  • Permafrost thaw and resulting soil moisture changes regulate projected high-latitude CO2 and CH4 emissions

    D. M. Lawrence;C. D. Koven;S. C. Swenson;W. J. Riley

  • Weaker soil carbon–climate feedbacks resulting from microbial and abiotic interactions

    Jinyun Tang;William J. Riley

  • Global Methane Budget 2000-2012

    M. Saunois;P. Bousquet;B. Poulter;A. Peregon

Frequent Co-Authors

Margaret S. Torn
Margaret S. Torn Lawrence Berkeley National Laboratory
Charles D. Koven
Charles D. Koven Lawrence Berkeley National Laboratory
Robert F. Grant
Robert F. Grant University of Alberta
James T. Randerson
James T. Randerson University of California, Irvine
Jeffrey Q. Chambers
Jeffrey Q. Chambers Lawrence Berkeley National Laboratory
Federico Maggi
Federico Maggi University of Sydney
Christopher J. Still
Christopher J. Still Oregon State University
Forrest M. Hoffman
Forrest M. Hoffman Oak Ridge National Laboratory
Robert B. Jackson
Robert B. Jackson Stanford University
Hanqin Tian
Hanqin Tian Auburn University

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