World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
48
Citations
8527
World Ranking
5545
National Ranking
2028

Thomas L. Kieft 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 Thomas L. Kieft sits on this spectrum.

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: 283 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: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 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 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 135 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Thomas L. Kieft 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 Thomas L. Kieft sits on this spectrum.

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: 199 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: 19 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: 99 scientists
30 D-Index 125+

This scientist: 48 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Thomas L. Kieft is affiliated with the New Mexico Institute of Mining and Technology in the United States. Their research spans key areas within Environmental Science and Earth and Planetary Sciences, focusing on a variety of subfields and topics that interact across disciplines.

The main fields of study covered by their work include:

  • Environmental Science
  • Earth and Planetary Sciences

Within these fields, Kieft has contributed to multiple subfields such as:

  • Ecology
  • Astronomy and Astrophysics
  • Molecular Biology
  • Environmental Chemistry
  • Earth-Surface Processes

Their research topics encompass a broad range of scientific interests, including:

  • Methane Hydrates and Related Phenomena
  • Microbial Community Ecology and Physiology
  • Planetary Science and Exploration
  • Building materials and conservation
  • Geology and Paleoclimatology Research
  • Bacteriophages and microbial interactions
  • Genomics and Phylogenetic Studies

Kieft has published extensively, with notable papers such as:

  • "Mars Extant Life: What's Next? Conference Report" (2020) published in Astrobiology
  • "The role of low-temperature 18O exchange in the isotopic evolution of deep subsurface fluids" (2020) published in Chemical Geology
  • "Lighting Effects on the Development and Diversity of Photosynthetic Biofilm Communities in Carlsbad Cavern, New Mexico" (2021) published in Applied and Environmental Microbiology
  • "86Kr excess and other noble gases identify a billion-year-old radiogenically-enriched groundwater system" (2022) published in Nature Communications
  • "Abiotic and biotic processes that drive carboxylation and decarboxylation reactions" (2020) published in American Mineralogist

The frequent venues where Kieft's work appears include:

  • Astrobiology
  • Nature Communications
  • Geochimica et Cosmochimica Acta
  • Microbial Ecology
  • Abstracts with programs - Geological Society of America

Among their frequent coauthors are:

  • T. C. Onstott
  • Devan M. Nisson
  • Barbara Sherwood Lollar
  • Oliver Warr
  • Daniel S. Jones

This network of collaborators reflects Kieft's involvement in interdisciplinary investigations relating to subsurface microbiology, isotopic geochemistry, and planetary exploration, demonstrating a sustained engagement with both microbial ecology and geochemical processes on Earth and beyond.

Best Publications

  • Microbial biomass response to a rapid increase in water potential when dry soil is wetted

    Thomas L. Kieft;Edith soroker;Mary K. firestone

  • The biomass and biodiversity of the continental subsurface

    C. Magnabosco;L.-H. Lin;H. Dong;M. Bomberg

  • Changes in Ester-Linked Phospholipid Fatty Acid Profiles of Subsurface Bacteria during Starvation and Desiccation in a Porous Medium

    T. L. Kieft;D. B. Ringelberg;D. C. White

  • A new analysis of Mars "Special Regions": findings of the second MEPAG Special Regions Science Analysis Group (SR-SAG2)

    John D. Rummel;David W. Beaty;Melissa A. Jones;Corien Bakermans

  • Dissimilatory Reduction of Fe(III) and Other Electron Acceptors by a Thermus Isolate

    T. L. Kieft;J. K. Fredrickson;Tullis C. Onstott;Y. A. Gorby

  • TEMPORAL DYNAMICS IN SOIL CARBON AND NITROGEN RESOURCES AT A GRASSLAND–SHRUBLAND ECOTONE

    Thomas L. Kieft;Carleton S. White;Samuel R. Loftin;Richard Aguilar

  • Survival and phospholipid Fatty Acid profiles of surface and subsurface bacteria in natural sediment microcosms.

    T L Kieft;E Wilch;K O'connor;D B Ringelberg

  • Rapid detection of Escherichia coli O157:H7 by immunomagnetic separation and real-time PCR.

    Zhu Fu;Snezna Rogelj;Thomas L. Kieft

  • An oligotrophic deep-subsurface community dependent on syntrophy is dominated by sulfur-driven autotrophic denitrifiers

    Maggie C. Y. Lau;Thomas L. Kieft;Olukayode Kuloyo;Borja Linage-Alvarez

  • Influence of the Gas-Water Interface on Transport of Microorganisms through Unsaturated Porous Media

    Jiamin Wan;John L. Wilson;Thomas L. Kieft

  • Ice nucleation activity in lichens.

    Thomas L. Kieft

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

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

  • Subsurface Microbial Diversity in Deep-Granitic-Fracture Water in Colorado

    Jason W. Sahl;Raleigh Schmidt;Elizabeth D. Swanner;Kevin W. Mandernack

  • The Distribution of Microbial Taxa in the Subsurface Water of the Kalahari Shield, South Africa

    T. M. Gihring;D. P. Moser;L. H. Lin;M. Davidson

  • Microbial abundance and activities in relation to water potential in the vadose zones of arid and semiarid sites.

    Thomas L. Kieft;Penny S. Amy;Fred J. Brockman;James K. Fredrickson

  • A metagenomic window into carbon metabolism at 3 km depth in Precambrian continental crust.

    Cara Magnabosco;Kathleen Ryan;Maggie C Y Lau;Olukayode Kuloyo

  • Indigenous and contaminant microbes in ultradeep mines.

    T. C. Onstott;Duane P. Moser;Susan M. Pfiffner;Jim K. Fredrickson

  • Observations Pertaining to the Origin and Ecology of Microorganisms Recovered from the Deep Subsurface of Taylorsville Basin, Virginia

    T C. Onstott;Tommy J. Phelps;F S. Colwell;D B. Ringelberg

  • The Origin and Age of Biogeochemical Trends in Deep Fracture Water of the Witwatersrand Basin, South Africa

    T. C. Onstott;L.-H. Lin;M. Davidson;B. Mislowack

  • Characterization of biological ice nuclei from a lichen.

    T L Kieft;T Ruscetti

  • Findings of the Mars Special Regions Science Analysis Group

    K. Buxbaum;M. Meyer;N. Barlow

Frequent Co-Authors

Tullis C. Onstott
Tullis C. Onstott Princeton University
Barbara Sherwood Lollar
Barbara Sherwood Lollar University of Toronto
James K. Fredrickson
James K. Fredrickson Pacific Northwest National Laboratory
David C. White
David C. White University of Tennessee at Knoxville
Susan M. Pfiffner
Susan M. Pfiffner University of Tennessee at Knoxville
Tommy J. Phelps
Tommy J. Phelps Oak Ridge National Laboratory
David L. Balkwill
David L. Balkwill Florida State University
James P. McKinley
James P. McKinley Pacific Northwest National Laboratory
Philip E. Long
Philip E. Long Lawrence Berkeley National Laboratory
Fred M. Phillips
Fred M. Phillips New Mexico Institute of Mining and Technology

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