World's Best Scientists 2026 revealed!
Award Badge
Environmental Sciences
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 125 99 95 42 40 483 53700

Gary L. Amy publications per year

The chart shows the history of publications by Gary L. Amy between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Gary L. Amy published across 46 years, from 1980 to 2025, averaging 10.9 papers a year. Output peaked at 35 publications in 2012. 9 of the 501 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1980 to 2025. Vertical axis: number of publications, 0 to 35. Peak 35 publications in 2012. 1980: 1 publication 1981: 1 publication 1982: 1 publication 1983: 4 publications 1984: 2 publications 1985: 3 publications 1986: 4 publications 1987: 9 publications 1988: 3 publications 1989: 4 publications 1990: 4 publications 1991: 5 publications 1992: 2 publications 1993: 8 publications 1994: 4 publications 1995: 12 publications 1996: 17 publications 1997: 9 publications 1998: 8 publications 1999: 5 publications 2000: 13 publications 2001: 9 publications 2002: 9 publications 2003: 10 publications 2004: 14 publications 2005: 25 publications 2006: 20 publications 2007: 15 publications 2008: 31 publications 2009: 32 publications 2010: 20 publications 2011: 25 publications 2012: 35 publications 2013: 33 publications 2014: 23 publications 2015: 23 publications 2016: 16 publications 2017: 14 publications 2018: 3 publications 2019: 5 publications 2020: 2 publications 2021: 5 publications 2022: 3 publications 2023: 1 publication 2024: 3 publications 2025: 6 publications
1980 2025

501 publications in total across all disciplines

View publications per year as a table
Gary L. Amy: publications per year, 1980 to 2025
Year Publications
1980 1
1981 1
1982 1
1983 4
1984 2
1985 3
1986 4
1987 9
1988 3
1989 4
1990 4
1991 5
1992 2
1993 8
1994 4
1995 12
1996 17
1997 9
1998 8
1999 5
2000 13
2001 9
2002 9
2003 10
2004 14
2005 25
2006 20
2007 15
2008 31
2009 32
2010 20
2011 25
2012 35
2013 33
2014 23
2015 23
2016 16
2017 14
2018 3
2019 5
2020 2
2021 5
2022 3
2023 1
2024 3
2025 6
Total 501
Download as CSV

Gary L. Amy 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 Gary L. Amy 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, 481–490 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: 483 publications — 96th percentile

96% 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
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26 483
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

Gary L. Amy 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 Gary L. Amy 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, 125 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: 125 D-Index — 99th percentile

99% 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
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 9 125
126+ 92
Download as CSV

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in United States Leader Award
  • 2025 - Research.com Environmental Sciences in United States Leader Award
  • 2023 - Research.com Environmental Sciences in United States Leader Award

Overview

Gary L. Amy is affiliated with Clemson University in the United States and is active in research primarily within the fields of Environmental Science and Engineering. Their work includes significant contributions to the subfields of Health, Toxicology and Mutagenesis, Water Science and Technology, Biomedical Engineering, Industrial and Manufacturing Engineering, and Mechanical Engineering.

The scientist's research focuses on several key topics, including:

  • Water Treatment and Disinfection
  • Membrane Separation Technologies
  • Extraction and Separation Processes
  • Metal Extraction and Bioleaching
  • Chemical Analysis and Environmental Impact
  • Isotope Analysis in Ecology
  • Membrane-based Ion Separation Techniques

Gary L. Amy has published extensively in well-regarded journals, frequently appearing in these venues:

  • Environmental Science & Technology
  • Water Research
  • ACS Sustainable Chemistry & Engineering
  • The Science of The Total Environment
  • TrAC Trends in Analytical Chemistry

The scientist's recent published papers include:

  • Recovery of Critical Metals from Aqueous Sources, 2021, ACS Sustainable Chemistry & Engineering
  • Preferential Halogenation of Algal Organic Matter by Iodine over Chlorine and Bromine: Formation of Disinfection Byproducts and Correlation with Toxicity of Disinfected Waters, 2021, Environmental Science & Technology
  • Toxicity of chlorinated algal-impacted waters: Formation of disinfection byproducts vs. reduction of cyanotoxins, 2020, Water Research
  • Inhibition of biofouling on reverse osmosis membrane surfaces by germicidal ultraviolet light side-emitting optical fibers, 2022, Water Research
  • Double-Network Hydrogel: A Potential Practical Adsorbent for Critical Metals Extraction and Recovery from Water, 2022, Environmental Science & Technology

Coauthorship collaborations are prominent in their work, with frequent co-authors including:

  • Tanju Karanfil
  • Chao Liu
  • Raina M. Maier
  • John C. Crittenden
  • David A. Ladner

In addition to journal articles, Gary L. Amy has contributed to book publications, notably:

  • Seawater Reverse Osmosis Desalination: Assessment and Pre-treatment of Fouling and Scaling, published by UWA Publishing in 2021

Best Publications

  • Determining the effectiveness of conventional and alternative coagulants through effective characterization schemes.

    Shahnawaz Sinha;Yeomin Yoon;Gary Amy;Jaekyung Yoon

  • Technical review and evaluation of the economics of water desalination: Current and future challenges for better water supply sustainability

    Noreddine Ghaffour;Thomas M. Missimer;Gary L. Amy

  • Factors affecting the rejection of organic solutes during NF/RO treatment—a literature review

    Christopher Bellona;Jörg E Drewes;Pei Xu;Gary Amy

  • Identification and understanding of fouling in low-pressure membrane (MF/UF) filtration by natural organic matter (NOM).

    NoHwa Lee;Gary Amy;Jean-Philippe Croué;Herve Buisson

  • Membrane-based seawater desalination: Present and future prospects

    Gary L. Amy;Gary L. Amy;Gary L. Amy;NorEddine Ghaffour;Zhenyu Li;Lijo Francis

  • Impact of colloidal and soluble organic material on membrane performance in membrane bioreactors for municipal wastewater treatment

    S. Rosenberger;C. Laabs;B. Lesjean;R. Gnirss

  • Characterization of DOM as a function of MW by fluorescence EEM and HPLC-SEC using UVA, DOC, and fluorescence detection.

    Namguk Her;Gary Amy;Diane McKnight;Jinsik Sohn;Jinsik Sohn

  • Irreversible membrane fouling during ultrafiltration of surface water.

    Katsuki Kimura;Yasushi Hane;Yoshimasa Watanabe;Gary Amy

  • Relationships between the structure of natural organic matter and its reactivity towards molecular ozone and hydroxyl radicals

    Paul Westerhoff;George Aiken;Gary Amy;Jean Debroux

  • Tracking natural organic matter (NOM) in a drinking water treatment plant using fluorescence excitation-emission matrices and PARAFAC

    S.A. Baghoth;S.A. Baghoth;S.K. Sharma;G.L. Amy;G.L. Amy;G.L. Amy

  • REJECTION OF ORGANIC MICROPOLLUTANTS (DISINFECTION BY-PRODUCTS, ENDOCRINE DISRUPTING COMPOUNDS, AND PHARMACEUTICALLY ACTIVE COMPOUNDS) BY NF/RO MEMBRANES

    Katsuki Kimura;Katsuki Kimura;Gary Amy;Jörg E. Drewes;Thomas Heberer

  • Effect of membrane fouling on transport of organic contaminants in NF/RO membrane applications

    Pei Xu;Jörg E. Drewes;Tae-Uk Kim;Christopher Bellona

  • Membrane filtration of natural organic matter: factors and mechanisms affecting rejection and flux decline with charged ultrafiltration (UF) membrane

    Jaeweon Cho;Gary Amy;John Pellegrino

  • NOM characterization and treatability

    Douglas M. Owen;Gary L. Amy;Zaid K. Chowdhury;Rajendra Paode

  • Impact of enhanced and optimized coagulation on removal of organic matter and its biodegradable fraction in drinking water

    Christian Volk;Kimberly Bell;Eva Ibrahim;Debbie Verges

  • Fouling characteristics of wastewater effluent organic matter (EfOM) isolates on NF and UF membranes

    Chalor Jarusutthirak;Gary Amy;Jean-Philippe Croué

  • Rejection of neutral endocrine disrupting compounds (EDCs) and pharmaceutical active compounds (PhACs) by RO membranes

    Katsuki Kimura;Shiho Toshima;Gary Amy;Yoshimasa Watanabe

  • Fundamental understanding of organic matter fouling of membranes

    Gary Amy

  • Role of soluble microbial products (SMP) in membrane fouling and flux decline.

    Chalor Jarusutthirak;Gary Amy

  • Exploration of polyelectrolytes as draw solutes in forward osmosis processes

    Qingchun Ge;Jincai Su;Gary L. Amy;Tai Shung Neal Chung

Frequent Co-Authors

Maria D. Kennedy
Maria D. Kennedy IHE Delft Institute for Water Education
Noreddine Ghaffour
Noreddine Ghaffour King Abdullah University of Science and Technology
J.C. van Dijk
J.C. van Dijk Delft University of Technology
Jörg E. Drewes
Jörg E. Drewes Technical University of Munich
Johannes S. Vrouwenvelder
Johannes S. Vrouwenvelder King Abdullah University of Science and Technology
TorOve Leiknes
TorOve Leiknes King Abdullah University of Science and Technology
Stuart W. Krasner
Stuart W. Krasner Metropolitan Water District of Southern California
Tai-Shung Chung
Tai-Shung Chung National Taiwan University of Science and Technology
Yeomin Yoon
Yeomin Yoon Ewha Womans University
Paul Westerhoff
Paul Westerhoff Arizona State University

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 students interested in Environmental Sciences, exploring related online degrees can open diverse career pathways. Many choose programs like a fully funded dsw programs online to enhance their expertise in social work aspects related to environmental justice and community health.

If you're seeking flexibility and a broad academic base, an affordable online general studies degree offers a versatile foundation and can be tailored to environmental topics. This approach is ideal for students balancing other commitments or planning to integrate multiple fields.

For those prioritizing ease while still pursuing meaningful credentials, considering some of the easy bachelor degrees may help accelerate entry into the workforce or advanced studies without compromising core knowledge.

Finally, a specialized focus in the field can be achieved through a geoscience online degree. These programs delve into the earth sciences, geology, and environmental processes, equipping graduates with technical skills highly relevant to environmental careers.

Best Scientists Citing Gary L. Amy

Trending Scientists

Recently Published Articles