World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
45
Citations
6493
World Ranking
4535
National Ranking
1737

Mark E. Conrad 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 Mark E. Conrad 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: 556 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: 181 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Mark E. Conrad 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 Mark E. Conrad 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: 181 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: 45 D-Index — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Overview

Mark E. Conrad is affiliated with the Lawrence Berkeley National Laboratory in the United States. Their research contributions span primarily the fields of Environmental Science and Earth and Planetary Sciences, with a focus on several specialized subfields including Environmental Chemistry, Geochemistry and Petrology, Atmospheric Science, Water Science and Technology, and Global and Planetary Change.

Their main research topics cover Groundwater and Isotope Geochemistry, Methane Hydrates and Related Phenomena, Soil and Water Nutrient Dynamics, Atmospheric and Environmental Gas Dynamics, Geology and Paleoclimatology Research, Hydrology and Watershed Management Studies, and Isotope Analysis in Ecology.

Mark E. Conrad has published extensively in several scientific venues. Frequent publication outlets include:

  • Geochimica et Cosmochimica Acta
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Journal of Geophysical Research Biogeosciences
  • Frontiers in Water
  • Journal of Vascular Surgery

Their recent peer-reviewed papers illustrate a range of environmental and geochemical investigations:

  • "Bedrock weathering contributes to subsurface reactive nitrogen and nitrous oxide emissions," 2021, Nature Geoscience
  • "Experimental and theoretical determinations of hydrogen isotopic equilibrium in the system CH4H2H2O from 3 to 200 °C," 2021, Geochimica et Cosmochimica Acta
  • "Geochemical, Biological, and Clumped Isotopologue Evidence for Substantial Microbial Methane Production Under Carbon Limitation in Serpentinites of the Samail Ophiolite, Oman," 2021, Journal of Geophysical Research Biogeosciences
  • "Shale as a Source of Organic Carbon in Floodplain Sediments of a Mountainous Watershed," 2020, Journal of Geophysical Research Biogeosciences
  • "Experimental determination of hydrogen isotope exchange rates between methane and water under hydrothermal conditions," 2022, Geochimica et Cosmochimica Acta

Collaboration is a notable aspect of Mark E. Conrad's research endeavors. Frequent co-authors include Markus Bill, Kenneth H. Williams, Patricia Fox, Peter Nico, and Wenming Dong.

Best Publications

  • Deep-sea oil plume enriches indigenous oil-degrading bacteria.

    Terry C. Hazen;Eric A. Dubinsky;Todd Z. DeSantis;Gary L. Andersen

  • Succession of hydrocarbon-degrading bacteria in the aftermath of the deepwater horizon oil spill in the gulf of Mexico.

    Eric A Dubinsky;Mark E Conrad;Romy Chakraborty;Markus Bill

  • Subsurface flow paths in a steep, unchanneled catchment

    Suzanne Prestrud Anderson;William E. Dietrich;David R. Montgomery;Raymond Torres

  • Deep‐sea bacteria enriched by oil and dispersant from the Deepwater Horizon spill

    Jacob Bælum;Sharon Borglin;Romy Chakraborty;Julian L. Fortney

  • Variable carbon isotope fractionation expressed by aerobic CH4-oxidizing bacteria

    Alexis S. Templeton;Kung-Hui Chu;Kung-Hui Chu;Lisa Alvarez-Cohen;Mark E. Conrad

  • Identification and characterization of high methane-emitting abandoned oil and gas wells

    Mary Kang;Shanna Christian;Michael Anthony Celia;Denise Leonore Mauzerall

  • Oxygen effects on methane production and oxidation in humid tropical forest soils

    Yit Arn Teh;Yit Arn Teh;Whendee L. Silver;Mark E. Conrad

  • Stable carbon isotope fractionation during enhanced in situ bioremediation of trichloroethene

    Donald L Song;Mark E Conrad;Kent S Sorenson;Lisa Alvarez-Cohen

  • Experimental determination of the sources of otolith carbon and associated isotopic fractionation

    Christopher T Solomon;Peter K Weber;Joseph J Cech;B Lynn Ingram

  • Carbon-Isotope, Diatom, and Pollen Evidence for Late Holocene Salinity Change in a Brackish Marsh in the San Francisco Estuary

    Roger Byrne;B. Lynn Ingram;Scott Starratt;Frances Malamud-Roam

  • Distribution of hydrocarbons released during the 2010 MC252 oil spill in deep offshore waters

    Chelsea Spier;William T. Stringfellow;William T. Stringfellow;Terry C. Hazen;Mark Conrad

  • Approaches to modeling coupled thermal, hydrological, and chemical processes in the drift scale heater test at Yucca Mountain

    E. Sonnenthal;A. Ito;N. Spycher;M. Yui

  • Modern water/rock reactions in Oman hyperalkaline peridotite aquifers and implications for microbial habitability

    Hannah M. Miller;Jürg M. Matter;Jürg M. Matter;Peter Kelemen;Eric T. Ellison

  • Water Table Dynamics and Biogeochemical Cycling in a Shallow, Variably-Saturated Floodplain

    Steven B. Yabusaki;Michael J. Wilkins;Yilin Fang;Kenneth H. Williams

  • Stable isotope and salinity systematics in estuarine waters and carbonates: San Francisco Bay

    B. Lynn Ingram;Mark E. Conrad;James C. Ingle

  • Incomplete Wood–Ljungdahl pathway facilitates one-carbon metabolism in organohalide-respiring Dehalococcoides mccartyi

    Wei Qin Zhuang;Shan Yi;Markus Bill;Vanessa L. Brisson

  • In situ long-term reductive bioimmobilization of Cr(VI) in groundwater using hydrogen release compound

    Boris Faybishenko;Terry C. Hazen;Philip E. Long;Eoin L. Brodie

  • A 2000 yr record of Sacramento–San Joaquin river inflow to San Francisco Bay estuary, California

    B. Lynn Ingram;James C. Ingle;Mark E. Conrad

  • Combined 14C and δ13C Monitoring of in Situ Biodegradation of Petroleum Hydrocarbons

    Mark E. Conrad;Paul F. Daley;Marc L. Fischer;Bob B. Buchanan

  • Gut anatomical properties and microbial functional assembly promote lignocellulose deconstruction and colony subsistence of a wood-feeding beetle.

    Javier A. Ceja-Navarro;Ulas Karaoz;Markus Bill;Zhao Hao

  • Streamflow generation from snowmelt in semi-arid, seasonally snow-covered, forested catchments, Valles Caldera, New Mexico

    Fengjing Liu;Roger C. Bales;Martha H. Conklin;Mark E. Conrad

  • Stable Carbon Isotope Fractionation during Aerobic Biodegradation of Chlorinated Ethenes

    Kung-Hui Chu;Shaily Mahendra;Donald L. Song;Mark E. Conrad

  • Influence of hydrological, biogeochemical and temperature transients on subsurface carbon fluxes in a flood plain environment

    Bhavna Arora;Nicolas F. Spycher;Carl I. Steefel;Sergi Molins

  • Inhibition of microbial sulfate reduction in a flow-through column system by (per)chlorate treatment.

    Anna Engelbrektson;Christopher G. Hubbard;Lauren M. Tom;Aaron Boussina

Frequent Co-Authors

Donald J. DePaolo
Donald J. DePaolo Lawrence Berkeley National Laboratory
Eoin L. Brodie
Eoin L. Brodie Lawrence Berkeley National Laboratory
Kenneth H. Williams
Kenneth H. Williams Lawrence Berkeley National Laboratory
John N. Christensen
John N. Christensen Lawrence Berkeley National Laboratory
Terry C. Hazen
Terry C. Hazen University of Tennessee at Knoxville
Tetsu K. Tokunaga
Tetsu K. Tokunaga Lawrence Berkeley National Laboratory
Susan S. Hubbard
Susan S. Hubbard Lawrence Berkeley National Laboratory
Carl I. Steefel
Carl I. Steefel Lawrence Berkeley National Laboratory
Gary L. Andersen
Gary L. Andersen Lawrence Berkeley National Laboratory
Lisa Alvarez-Cohen
Lisa Alvarez-Cohen University of California, Berkeley

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Exploring these related online degrees can complement Earth Science studies and improve job prospects by diversifying skills across multiple disciplines.

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