World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
50
Citations
7715
World Ranking
3475
National Ranking
1373

William H. Orem 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 William H. Orem sits on this spectrum.

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 publications 603+

This scientist: 141 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

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

William H. Orem 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 William H. Orem sits on this spectrum.

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: 50 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Overview

William H. Orem is affiliated with the United States Geological Survey in the United States. Their research spans several areas within environmental science and engineering, focusing particularly on topics related to gas dynamics, coal utilization, and mercury studies.

Their recent publications reflect diverse interests in environmental processes and geochemical analysis. Selected papers include:

  • Origin and geochemistry of formation waters from the lower Eagle Ford Group, Gulf Coast Basin, south central Texas (2020, Chemical Geology)
  • Environmental formation of methylmercury is controlled by synergy of inorganic mercury bioavailability and microbial mercury-methylation capacity (2023, Environmental Microbiology)
  • Coal biomethanation potential of various ranks from Pakistan: A possible alternative energy source (2020, Journal of Cleaner Production)
  • Decadal trends of mercury cycling and bioaccumulation within Everglades National Park (2022, The Science of The Total Environment)
  • Analysis of Polycyclic Aromatic Hydrocarbons and Phthalate Esters in Soil and Food Grains from the Balkan Peninsula: Implication on DNA Adduct Formation by Aristolochic Acid I and Balkan Endemic Nephropathy (2021, Environmental Science & Technology)

Their frequent co-authors indicate collaborative research endeavors with several individuals, including:

  • Matthew S. Varonka (13 co-authored works)
  • Elliott P. Barnhart (6 co-authored works)
  • Heidi J. Smith (5 co-authored works)
  • Hannah Schweitzer (5 co-authored works)
  • Matthew W. Fields (4 co-authored works)

William H. Orem's publications often appear in recurring venues such as:

  • Abstracts with programs - Geological Society of America (5 publications)
  • The Science of The Total Environment (2 publications)
  • Environmental Science & Technology (2 publications)
  • Environmental Microbiology (1 publication)
  • Chemical Geology (1 publication)

The main fields of study for their work include:

  • Environmental Science (28 publications)
  • Engineering (13 publications)

Subfields explored in their research cover a range of scientific disciplines:

  • Global and Planetary Change (9 publications)
  • Health, Toxicology and Mutagenesis (6 publications)
  • Ocean Engineering (5 publications)
  • Ecology (5 publications)
  • Environmental Chemistry (4 publications)

Key topics represented in their work include:

  • Atmospheric and Environmental Gas Dynamics (16 publications)
  • Coal Properties and Utilization (10 publications)
  • Methane Hydrates and Related Phenomena (8 publications)
  • Mercury impact and mitigation studies (6 publications)
  • Hydrocarbon exploration and reservoir analysis (6 publications)
  • Marine animal studies overview (4 publications)
  • Toxic Organic Pollutants Impact (4 publications)

Best Publications

  • Health impacts of coal and coal use: Possible solutions

    Robert B Finkelman;William Orem;Vincent Castranova;Calin A Tatu

  • Organic substances in produced and formation water from unconventional natural gas extraction in coal and shale

    William H. Orem;Calin A. Tatu;Matthew S. Varonka;Harry E. Lerch

  • Stimulation of methane generation from nonproductive coal by addition of nutrients or a microbial consortium.

    Elizabeth J. P. Jones;Mary A. Voytek;Margo D. Corum;William H. Orem

  • Enhanced microbial coalbed methane generation: A review of research, commercial activity, and remaining challenges

    Daniel J. Ritter;David S. Vinson;Elliott P. Barnhart;Elliott P. Barnhart;Denise M. Akob

  • The etiology of Balkan endemic nephropathy: still more questions than answers.

    Calin A. Tatu;William H. Orem;Robert B. Finkelman;Gerald L. Feder

  • AMS radiocarbon analyses from Lake Baikal, Siberia: Challanges of dating sediments from a large, oligotrophic lake

    Steven M. Colman;Glenn A. Jones;M. Rubin;J.W. King

  • Bioassay for estimating the biogenic methane-generating potential of coal samples

    Elizabeth J.P. Jones;Mary A. Voytek;Peter D. Warwick;Margo D. Corum

  • Mercury cycling in stream ecosystems. 2. Benthic methylmercury production and bed sediment-pore water partitioning.

    Mark Marvin-DiPasquale;Michelle A. Lutz;Mark E. Brigham;David P. Krabbenhoft

  • Geochemistry of formation waters from the Wolfcamp and “Cline” shales: Insights into brine origin, reservoir connectivity, and fluid flow in the Permian Basin, USA

    Mark A. Engle;Mark A. Engle;Francisco R. Reyes;Matthew S. Varonka;William H. Orem

  • Environmental signatures and effects of an oil and gas wastewater spill in the Williston Basin, North Dakota.

    Isabelle M. Cozzarelli;Katherine Skalak;D.B. Kent;Mark A. Engle

  • Wastewater Disposal from Unconventional Oil and Gas Development Degrades Stream Quality at a West Virginia Injection Facility

    Denise M. Akob;Adam C. Mumford;William Orem;Mark A. Engle

  • Organic intermediates in the anaerobic biodegradation of coal to methane under laboratory conditions

    William H. Orem;Mary A. Voytek;Elizabeth J. Jones;Harry E. Lerch

  • Microbial methane from in situ biodegradation of coal and shale: A review and reevaluation of hydrogen and carbon isotope signatures

    David S. Vinson;Neal E. Blair;Anna M. Martini;Steve Larter

  • Tidally driven export of dissolved organic carbon, total mercury, and methylmercury from a mangrove-dominated estuary.

    Brian A. Bergamaschi;David P. Krabbenhoft;George R. Aiken;Eduardo Patino

  • Endocrine disrupting activities of surface water associated with a West Virginia oil and gas industry wastewater disposal site

    Christopher D. Kassotis;Luke R. Iwanowicz;Denise M. Akob;Isabelle M. Cozzarelli

  • Organic compounds in produced waters from coalbed natural gas wells in the Powder River Basin, Wyoming, USA

    William H. Orem;Calin A. Tatu;Harry E. Lerch;Cynthia A. Rice

  • Tracing sources of sulfur in the Florida Everglades.

    Anne L. Bates;William H. Orem;Judson W. Harvey;Elliott C. Spiker

  • Sulfur in the South Florida Ecosystem: Distribution, Sources, Biogeochemistry, Impacts, and Management for Restoration

    William Orem;Cynthia C. Gilmour;Donald Axelrad;David Krabbenhoft

  • Dissolved Organic Matter in the Florida Everglades: Implications for Ecosystem Restoration

    George R. Aiken;Cynthia C. Gilmour;David P. Krabbenhoft;William Orem

  • Coal Formation and Geochemistry

    Unknown

  • Experimental early-stage coalification of a peat sample and a peatified wood sample from Indonesia

    William H. Orem;Sandra G. Neuzil;Harry E. Lerch;C.Blaine Cecil

Frequent Co-Authors

David P. Krabbenhoft
David P. Krabbenhoft United States Geological Survey
Mark A. Engle
Mark A. Engle The University of Texas at El Paso
George R. Aiken
George R. Aiken United States Geological Survey
Cynthia C. Gilmour
Cynthia C. Gilmour Smithsonian Environmental Research Center
Jennifer C. McIntosh
Jennifer C. McIntosh University of Arizona
Isabelle M. Cozzarelli
Isabelle M. Cozzarelli United States Geological Survey
Robert B. Finkelman
Robert B. Finkelman The University of Texas at Dallas
Peter W. Swarzenski
Peter W. Swarzenski International Atomic Energy Agency
Matthew W. Fields
Matthew W. Fields Montana State University
Mary A. Voytek
Mary A. Voytek National Aeronautics and Space Administration

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

Exploring Earth Science opens doors to several exciting career paths and complementary fields of study. For students balancing other commitments or transitioning veterans, finding flexible and accessible education options is key. Programs like the veteran friendly online photography degree offer creative outlets that can blend well with scientific interests, such as environmental documentation and landscape imaging.

Another useful pathway is language skills, especially Spanish, given the global nature of environmental issues. The veteran friendly online spanish degree provides a way for veterans or other learners to build communication expertise that complements Earth Science careers. More broadly, understanding how to navigate the language can enhance opportunities in research and international collaboration.

Those who wish to expand creative abilities alongside their scientific studies might consider programs like the online mfa visual arts. This degree supports skills in visual storytelling, which is increasingly valuable for science communication and public engagement.

Finally, for students seeking cost-effective options, the insights from the online degree in spanish resource highlight the importance of affordable and efficient programs that still lead to strong career outcomes, a principle directly applicable when researching Earth Science degrees.

Best Scientists Citing William H. Orem

Trending Scientists

Recently Published Articles