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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 88 657 623 289 266 292 26260

Alexander van Geen publications per year

The chart shows the history of publications by Alexander van Geen between 1982 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Alexander van Geen published across 44 years, from 1982 to 2025, averaging 7.4 papers a year. Output peaked at 25 publications in 2020. 20 of the 324 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1982 to 2025. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 2020. 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 1 publication 1988: 3 publications 1989: 0 publications 1990: 3 publications 1991: 1 publication 1992: 1 publication 1993: 1 publication 1994: 1 publication 1995: 1 publication 1996: 3 publications 1997: 1 publication 1998: 3 publications 1999: 14 publications 2000: 4 publications 2001: 4 publications 2002: 9 publications 2003: 6 publications 2004: 14 publications 2005: 14 publications 2006: 19 publications 2007: 13 publications 2008: 13 publications 2009: 1 publication 2010: 9 publications 2011: 22 publications 2012: 15 publications 2013: 9 publications 2014: 10 publications 2015: 3 publications 2016: 13 publications 2017: 8 publications 2018: 12 publications 2019: 16 publications 2020: 25 publications 2021: 14 publications 2022: 6 publications 2023: 11 publications 2024: 8 publications 2025: 12 publications
1982 2025

324 publications in total across all disciplines

View publications per year as a table
Alexander van Geen: publications per year, 1982 to 2025
Year Publications
1982 1
1983 0
1984 0
1985 0
1986 0
1987 1
1988 3
1989 0
1990 3
1991 1
1992 1
1993 1
1994 1
1995 1
1996 3
1997 1
1998 3
1999 14
2000 4
2001 4
2002 9
2003 6
2004 14
2005 14
2006 19
2007 13
2008 13
2009 1
2010 9
2011 22
2012 15
2013 9
2014 10
2015 3
2016 13
2017 8
2018 12
2019 16
2020 25
2021 14
2022 6
2023 11
2024 8
2025 12
Total 324
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Alexander van Geen 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 Alexander van Geen 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, 291–300 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: 292 publications — 85th percentile

85% 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
291–300 127 292
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
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Alexander van Geen 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 Alexander van Geen 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, 88 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: 88 D-Index — 93rd percentile

93% 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
83 42
84 42
85 43
86 29
87 37
88 29 88
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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Overview

Alexander van Geen is affiliated with the Lamont-Doherty Earth Observatory in the United States and specializes in Environmental Science with a focus on Environmental Chemistry, Health, Toxicology and Mutagenesis, Pollution, Water Science and Technology, and Economics and Econometrics.

Their research covers several main topics including:

  • Arsenic contamination and mitigation
  • Heavy Metal Exposure and Toxicity
  • Heavy metals in environment
  • Mine drainage and remediation techniques
  • Groundwater and Isotope Geochemistry
  • Air Quality and Health Impacts
  • Environmental Justice and Health Disparities

Van Geen has published multiple research papers in various academic venues. Notable recent papers include:

  • "Arsenic contamination of Bangladesh aquifers exacerbated by clay layers" (2020, Nature Communications)
  • "New Approaches to Identifying and Reducing the Global Burden of Disease From Pollution" (2020, GeoHealth)
  • "Origin of Groundwater Arsenic in a Rural Pleistocene Aquifer in Bangladesh Depressurized by Distal Municipal Pumping" (2020, Water Resources Research)
  • "Sulfate reduction accelerates groundwater arsenic contamination even in aquifers with abundant iron oxides" (2023, Nature Water)
  • "Groundwater fluoride across the Punjab plains of Pakistan and India: Distribution and underlying mechanisms" (2021, The Science of The Total Environment)

They have contributed to book publications as well, including:

  • "Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change: Evidence from Sonargaon, Bangladesh" (2020, World Bank, Washington, DC eBooks)

Frequent co-authors in van Geen's work include:

  • Kazi Matin Ahmed
  • Brian J. Mailloux
  • Benjamín C. Bostick
  • Tyler Ellis
  • Prabhat Barnwal

Their research is often published in venues such as:

  • AEA Randomized Controlled Trials
  • ISEE Conference Abstracts
  • UNC Libraries
  • Abstracts with programs - Geological Society of America
  • The Science of The Total Environment

Best Publications

  • Spatial and Temporal Variations of Groundwater Arsenic in South and Southeast Asia

    Scott Fendorf;Holly A. Michael;Alexander van Geen

  • Water Manganese Exposure and Children's Intellectual Function in Araihazar, Bangladesh

    Gail A. Wasserman;Xinhua Liu;Faruque Parvez;Habibul Ahsan

  • Arsenic exposure from drinking water, and all-cause and chronic-disease mortalities in Bangladesh (HEALS): a prospective cohort study

    Maria Argos;Maria Argos;Tara Kalra;Paul J Rathouz;Yu Chen

  • Water Arsenic Exposure and Children’s Intellectual Function in Araihazar, Bangladesh

    Unknown

  • Authigenic molybdenum formation in marine sediments: A link to pore water sulfide in the Santa Barbara Basin

    Yan Zheng;Yan Zheng;Yan Zheng;Robert F. Anderson;Robert F. Anderson;Alexander van Geen;James Kuwabara

  • Redox control of arsenic mobilization in Bangladesh groundwater

    Y. Zheng;Y. Zheng;M. Stute;M. Stute;A. van Geen;I. Gavrieli

  • Spatial variability of arsenic in 6000 tube wells in a 25 km2 area of Bangladesh

    A. van Geen;Y. Zheng;Y. Zheng;R. Versteeg;M. Stute

  • Arsenic exposure from drinking water and mortality from cardiovascular disease in Bangladesh: prospective cohort study

    Yu Chen;Joseph H Graziano;Faruque Parvez;Mengling Liu

  • Decoupling of As and Fe release to Bangladesh groundwater under reducing conditions. Part I: Evidence from sediment profiles

    A. Horneman;A. Horneman;A. van Geen;D.V. Kent;D.V. Kent;P.E. Mathe

  • Coupled nitrogen and oxygen isotope measurements of nitrate along the eastern North Pacific margin

    Daniel M. Sigman;Julie Granger;Peter J. DiFiore;Moritz M. Lehmann

  • Water arsenic exposure and intellectual function in 6-year-old children in Araihazar, Bangladesh

    Gail A. Wasserman;Gail A. Wasserman;Xinhua Liu;Xinhua Liu;Faruque Parvez;Habibul Ahsan

  • Can information alone change behavior? Response to arsenic contamination of groundwater in Bangladesh

    Malgosia Madajewicz;Alexander Pfaff;Alexander van Geen;Joseph Graziano

  • A rapid colorimetric method for measuring arsenic concentrations in groundwater

    R.K. Dhar;R.K. Dhar;R.K. Dhar;Y. Zheng;Y. Zheng;Y. Zheng;J. Rubenstone;A. van Geen

  • Historical trends of metals in the sediments of San Francisco Bay, California

    Michelle I. Hornberger;Samuel N. Luoma;Alexander van Geen;Christopher Fuller

  • Ensuring Safe Drinking Water in Bangladesh

    M. F. Ahmed;S. Ahuja;M. Alauddin;S. J. Hug

  • Arsenic Exposure from Drinking Water and Risk of Premalignant Skin Lesions in Bangladesh: Baseline Results from the Health Effects of Arsenic Longitudinal Study

    Habibul Ahsan;Yu Chen;Faruque Parvez;Lydia Zablotska

  • Marine radiocarbon evidence for the mechanism of deglacial atmospheric CO2 rise.

    Thomas M. Marchitto;Scott J. Lehman;Joseph D. Ortiz;Jacqueline Flückiger

  • Complexation of carbonate species at the goethite surface: Implications for adsorption of metal ions in natural waters

    Alexander van Geen;Alexander P Robertson;James O Leckie

  • Health Effects of Arsenic Longitudinal Study (HEALS): description of a multidisciplinary epidemiologic investigation.

    Habibul Ahsan;Yu Chen;Faruque Parvez;Maria Argos

  • Promotion of well-switching to mitigate the current arsenic crisis in Bangladesh

    Alexander van Geen;Habibul Ahsan;Allan H. Horneman;Ratan K. Dhar;Ratan K. Dhar

  • Arsenic and manganese exposure and children's intellectual function.

    Gail A. Wasserman;Xinhua Liu;Faruque Parvez;Pam Factor-Litvak

  • Remobilization of authigenic uranium in marine sediments by bioturbation

    Yan Zheng;Yan Zheng;Robert F. Anderson;Robert F. Anderson;Alexander van Geen;Martin Q. Fleisher

  • Blood arsenic as a biomarker of arsenic exposure: results from a prospective study.

    Marni Hall;Yu Chen;Habibul Ahsan;Vesna Slavkovich

  • Historical trends of metals in the sediments of San Francisco Bay

    Michelle I. Homberger;Samuel N. Luoma;Alexander van Geen;Christopher Fuller

Frequent Co-Authors

Kazi Matin Ahmed
Kazi Matin Ahmed University of Dhaka
Brian J. Mailloux
Brian J. Mailloux Barnard College
Habibul Ahsan
Habibul Ahsan University of Chicago
Yan Zheng
Yan Zheng Southern University of Science and Technology
Joseph H. Graziano
Joseph H. Graziano Columbia University
Benjamin C. Bostick
Benjamin C. Bostick Lamont-Doherty Earth Observatory
Xinhua Liu
Xinhua Liu Beihang University
Gail A. Wasserman
Gail A. Wasserman Columbia University
Yu Chen
Yu Chen New York University

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