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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 58 3290 3146 1274 1179 197 11648

Philip E. Long publications per year

The chart shows the history of publications by Philip E. Long between 1974 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Philip E. Long published across 52 years, from 1974 to 2025, averaging 4 papers a year. Output peaked at 18 publications in 2006. 2 of the 206 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1974 to 2025. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2006. 1974: 1 publication 1975: 0 publications 1976: 0 publications 1977: 1 publication 1978: 6 publications 1979: 4 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 2 publications 1987: 2 publications 1988: 0 publications 1989: 3 publications 1990: 0 publications 1991: 0 publications 1992: 2 publications 1993: 1 publication 1994: 2 publications 1995: 0 publications 1996: 1 publication 1997: 2 publications 1998: 1 publication 1999: 2 publications 2000: 1 publication 2001: 2 publications 2002: 1 publication 2003: 6 publications 2004: 13 publications 2005: 6 publications 2006: 18 publications 2007: 9 publications 2008: 13 publications 2009: 12 publications 2010: 13 publications 2011: 15 publications 2012: 12 publications 2013: 16 publications 2014: 13 publications 2015: 12 publications 2016: 7 publications 2017: 0 publications 2018: 2 publications 2019: 1 publication 2020: 0 publications 2021: 0 publications 2022: 1 publication 2023: 1 publication 2024: 1 publication 2025: 1 publication
1974 2025

206 publications in total across all disciplines

View publications per year as a table
Philip E. Long: publications per year, 1974 to 2025
Year Publications
1974 1
1975 0
1976 0
1977 1
1978 6
1979 4
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 2
1987 2
1988 0
1989 3
1990 0
1991 0
1992 2
1993 1
1994 2
1995 0
1996 1
1997 2
1998 1
1999 2
2000 1
2001 2
2002 1
2003 6
2004 13
2005 6
2006 18
2007 9
2008 13
2009 12
2010 13
2011 15
2012 12
2013 16
2014 13
2015 12
2016 7
2017 0
2018 2
2019 1
2020 0
2021 0
2022 1
2023 1
2024 1
2025 1
Total 206
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Philip E. Long 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 Philip E. Long 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, 191–200 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: 197 publications — 63rd percentile

63% 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
191–200 377 197
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
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Philip E. Long 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 Philip E. Long 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, 58 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: 58 D-Index — 67th percentile

67% 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 58
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
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Overview

Philip E. Long is affiliated with the Lawrence Berkeley National Laboratory in the United States. Their research focuses primarily on engineering, with a significant emphasis on mechanical engineering and biomedical engineering, alongside contributions to environmental chemistry, electrical and electronic engineering, and inorganic chemistry.

Their work covers a range of topics, including:

  • Extraction and Separation Processes
  • Mine drainage and remediation techniques
  • Metal Extraction and Bioleaching
  • Advancements in Battery Materials
  • Radioactive element chemistry and processing
  • Fluid Dynamics and Mixing
  • Heat Transfer and Boiling Studies

Philip E. Long's publications are present in various venues, reflecting a multidisciplinary approach. The frequent publication venues include:

  • Geological Journal
  • Scientific Reports
  • Journal of Physics Conference Series
  • arXiv (Cornell University)
  • Geosciences Journal

Among their recent papers are:

  • Influence of Low-Grade Solid Potash Mineral Composition on Potassium Extraction and Lithium Distribution During Solution Mining in Mahai Salt Lake, Qaidam Basin (2025, Geological Journal)
  • The occurrence characteristic and dissolution mechanism of lithium-rich sediments in Salt Lake Mahai of Qaidam Basin, NW China (2025, Scientific Reports)
  • Study on flow regime characteristics in 3×3 rod bundle channels based on wire mesh sensor (2024, Journal of Physics Conference Series)
  • TANGLED: Generating 3D Hair Strands from Images with Arbitrary Styles and Viewpoints (2025, arXiv (Cornell University))
  • Deposition characteristics and genesis of polyhalite in low-grade solid potash ores from the Mahai Salt Lake, Qaidam Basin, China (2025, Geosciences Journal)

Their frequent collaborators include researchers Yanjun Zhao, Yufei Hu, Jiangmin Du, Xianfu Zhao, and Ik Woo. Notably, Yanjun Zhao and Yufei Hu have worked with Philip E. Long on multiple occasions, each coauthoring three publications.

Best Publications

  • Stimulating the in situ activity of Geobacter species to remove uranium from the groundwater of a uranium-contaminated aquifer.

    Robert T. Anderson;Helen A. Vrionis;Irene Ortiz-Bernad;Charles T. Resch

  • Fermentation, hydrogen, and sulfur metabolism in multiple uncultivated bacterial phyla.

    Kelly C. Wrighton;Brian C. Thomas;Itai Sharon;Christopher S. Miller

  • Three-dimensional distribution of gas hydrate beneath southern Hydrate Ridge: Constraints from ODP Leg 204

    Anne M Tréhu;Philip E Long;Marta E Torres;Gerhard Bohrmann

  • Structures, textures, and cooling histories of Columbia River basalt flows

    Philip E. Long;Bernard J. Wood

  • Magma mixing at mid-ocean ridges: Evidence from basalts drilled near 22° N on the Mid-Atlantic Ridge

    J.M. Rhodes;M.A. Dungan;D.P. Blanchard;P.E. Long

  • A new model for the emplacement of Columbia River basalts as large, inflated Pahoehoe Lava Flow Fields

    S. Self;Thorvaldur Thordarson;L. Keszthelyi;G. P. L. Walker

  • Acetate Availability and its Influence on Sustainable Bioremediation of Uranium-Contaminated Groundwater

    Kenneth H. Williams;Philip E. Long;James A. Davis;Michael J. Wilkins

  • Diversity and characterization of sulfate-reducing bacteria in groundwater at a uranium mill tailings site

    Yun-Juan Chang;Aaron D. Peacock;Philip E. Long;John R. Stephen

  • Microbiological and Geochemical Heterogeneity in an in Situ Uranium Bioremediation Field Site

    Helen A. Vrionis;Robert T. Anderson;Irene Ortiz-Bernad;Kathleen R. O'Neill

  • Pore‐size constraints on the activity and survival of subsurface bacteria in a late cretaceous shale‐sandstone sequence, northwestern New Mexico

    J. K. Fredrickson;J. P. McKinley;B. N. Bjornstad;P. E. Long

  • Uranium redox transition pathways in acetate-amended sediments

    John R. Bargar;Kenneth H. Williams;Kate M. Campbell;Philip E. Long

  • Methane hydrate formation in turbidite sediments of northern Cascadia, IODP Expedition 311

    M.E. Torres;A.M. Tréhu;N. Cespedes;M. Kastner

  • Metabolic interdependencies between phylogenetically novel fermenters and respiratory organisms in an unconfined aquifer

    Kelly C Wrighton;Cindy J Castelle;Michael J Wilkins;Laura A Hug

  • Uranium removal from groundwater via in situ biostimulation: Field-scale modeling of transport and biological processes

    Steven B. Yabusaki;Yilin Fang;Philip E. Long;Charles T. Resch

  • Subsurface clade of Geobacteraceae that predominates in a diversity of Fe(III)-reducing subsurface environments

    Dawn E Holmes;Regina A O'Neil;Helen A Vrionis;Lucie A N'Guessan

  • Geophysical monitoring of coupled microbial and geochemical processes during stimulated subsurface bioremediation.

    Kenneth H. Williams;Andreas Kemna;Michael J. Wilkins;Jennifer L. Druhan

  • Persistence of uranium groundwater plumes: Contrasting mechanisms at two DOE sites in the groundwater–river interaction zone

    John M. Zachara;Philip E. Long;John Bargar;James A. Davis

  • Microbiology of vadose zone paleosols in south-central Washington State.

    Fred J. Brockman;Thomas L. Kieft;James K. Fredrickson;Bruce N. Bjornstad

  • Microbial incorporation of 13C-labeled acetate at the field scale: detection of microbes responsible for reduction of U(VI).

    Yun-Juan Chang;Philip E. Long;Roland Geyer;Aaron D. Peacock

  • Using complex resistivity imaging to infer biogeochemical processes associated with bioremediation of an uranium‐contaminated aquifer

    Adrián Flores Orozco;Kenneth H. Williams;Philip E. Long;Susan S. Hubbard

  • Structures, textures, and cooling histories of Columbia River basalt flows: Discussion and reply

    Philip E. Long;Bernard J. Wood

Frequent Co-Authors

Kenneth H. Williams
Kenneth H. Williams Lawrence Berkeley National Laboratory
Michael J. Wilkins
Michael J. Wilkins Colorado State University
Derek R. Lovley
Derek R. Lovley University of Massachusetts Amherst
Jillian F. Banfield
Jillian F. Banfield University of California, Berkeley
Aaron D. Peacock
Aaron D. Peacock Microbac Laboratories
Susan S. Hubbard
Susan S. Hubbard Lawrence Berkeley National Laboratory
John R. Bargar
John R. Bargar SLAC National Accelerator Laboratory
David C. White
David C. White University of Tennessee at Knoxville
Marta E Torres
Marta E Torres Oregon State University
James A. Davis
James A. Davis Lawrence Berkeley National Laboratory

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