World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
72
Citations
14460
World Ranking
889
National Ranking
422

J. Kirk Cochran 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 J. Kirk Cochran sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 204 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

J. Kirk Cochran 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 J. Kirk Cochran sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 72 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Overview

J. Kirk Cochran is affiliated with Stony Brook University in the United States and has contributed extensively to the fields of Earth and Planetary Sciences as well as Environmental Science. Their research spans a range of topics with a particular focus on geology, isotope geochemistry, and marine environments.

The scientist has published 33 works in Earth and Planetary Sciences and 20 in Environmental Science, demonstrating a strong interdisciplinary approach. Subfields of study include:

  • Oceanography
  • Atmospheric Science
  • Environmental Chemistry
  • Ecology
  • Global and Planetary Change

Main topics of their research include:

  • Geology and Paleoclimatology Research
  • Methane Hydrates and Related Phenomena
  • Isotope Analysis in Ecology
  • Marine and coastal ecosystems
  • Groundwater and Isotope Geochemistry
  • Hydrocarbon exploration and reservoir analysis
  • Marine Biology and Ecology Research

Their recent papers indicate a focus on isotope geochemistry and environmental processes in coastal and marine settings. Selected recent publications are:

  • "Quantifying 210Po/210Pb Disequilibrium in Seawater: A Comparison of Two Precipitation Methods With Differing Results," 2021, Frontiers in Marine Science
  • "Radium Mass Balance Sensitivity Analysis for Submarine Groundwater Discharge Estimation in Semi-Enclosed Basins: The Case Study of Long Island Sound," 2020, Frontiers in Environmental Science
  • "Investigating Boron Isotopes for Identifying Nitrogen Sources Supplied by Submarine Groundwater Discharge to Coastal Waters," 2020, Frontiers in Environmental Science
  • "LATE CRETACEOUS METHANE SEEPS AS HABITATS FOR NEWLY HATCHED AMMONITES," 2020, Palaios
  • "Small-Scale Geochemical Heterogeneities and Seasonal Variation of Iron and Sulfide in Salt Marshes Revealed by Two-Dimensional Sensors," 2021, Frontiers in Earth Science

J. Kirk Cochran frequently collaborates with several researchers in related fields. Notable coauthors include:

  • Neil H. Landman
  • Matthew P. Garb
  • Joseph Tamborski
  • James D. Witts
  • Jamie Brezina

The scientist's work often appears in prominent publication venues such as:

  • Abstracts with programs - Geological Society of America
  • Geology
  • Frontiers in Environmental Science
  • Global Biogeochemical Cycles
  • Frontiers in Earth Science

In addition to journal articles, J. Kirk Cochran has contributed to book publications with Springer Nature, notably the 2022 work titled Ancient Hydrocarbon Seeps, which has garnered citations in the field.

Best Publications

  • Carbon and nitrogen export during the JGOFS North Atlantic Bloom experiment estimated from 234Th: 238U disequilibria

    Ken O Buesseler;Michael P Bacon;J Kirk Cochran;Hugh D Livingston

  • Sulfate reduction, diffusion, and bioturbation in Long Island Sound sediments; report of the FOAM Group

    M. B. Goldhaber;R. C. Aller;J. K. Cochran;J. K. Rosenfeld

  • 234Th/238U disequilibrium in near-shore sediment: Particle reworking and diagenetic time scales

    Robert C. Aller;J. Kirk Cochran

  • Effects of biological sediment mixing on the210Pb chronology and trace metal distribution in a Long Island Sound sediment core

    L.K. Benninger;R.C. Aller;J.K. Cochran;K.K. Turekian

  • Accretion rates and sediment accumulation in Rhode Island salt marshes

    S. Bricker-Urso;S. W. Nixon;J. K. Cochran;D. J. Hirschberg

  • An assessment of particulate organic carbon to thorium-234 ratios in the ocean and their impact on the application of 234Th as a POC flux proxy

    K.O. Buesseler;C.R. Benitez-Nelson;S.B. Moran;A. Burd

  • Uranium removal in oceanic sediments and the oceanic U balance

    Unknown

  • Particle mixing rates in sediments of the eastern equatorial Pacific: Evidence from 210Pb, 239,240Pu and 137Cs distributions at MANOP sites

    J.Kirk Cochran;J.Kirk Cochran

  • The geochemistry of uranium and thorium in coastal marine sediments and sediment pore waters

    J.Kirk Cochran;Anne E Carey;Edward R Sholkovitz;Lolita D Surprenant

  • Radiocarbon and 210Pb distribution in submersible-taken deep-sea cores from Project FAMOUS

    Y. Nozaki;J. Kirk Cochran;Karl K. Turekian;George Keller

  • Export flux of carbon at the equator during the EqPac time-series cruises estimated from 234Th measurements

    M.P. Bacon;J.K. Cochran;D. Hirschberg;T.R. Hammar

  • Distribution of Heavy Metal and PCB Contaminants in the Sediments of an Urban Estuary: The Hudson River

    Huan Feng;J. Kirk Cochran;Honoratha Lwiza;Bruce J. Brownawell

  • Uranium geochemistry in estuarine sediments: Controls on removal and release processes

    Christina E Barnes;J.Kirk Cochran

  • 234Th sorption and export models in the water column: A review

    Nicolas Savoye;Claudia R. Benitez-Nelson;Adrian B. Burd;J. Kirk Cochran

  • Particle mixing rates in deep-sea sediments determined from excess 210Pb and 32Si profiles

    David J. DeMaster;J. Kirk Cochran

  • Upper ocean export of particulate organic carbon and biogenic silica in the Southern Ocean along 170°W

    K.O. Buesseler;L. Ball;J. Andrews;J.K. Cochran

  • Comparison of Different Tracers and Methods Used to Quantify Bioturbation During a Spring Bloom: 234-Thorium, Luminophores and Chlorophylla

    M. Gerino;R.C. Aller;C. Lee;J.K. Cochran

  • Radium mass-balance in Jamaica Bay, NY: Evidence for a substantial flux of submarine groundwater

    Aaron J. Beck;John P. Rapaglia;J. Kirk Cochran;Henry J. Bokuniewicz

  • Determination of thorium isotopes in seawater by nondestructive and radiochemical procedures

    Ken O Buesseler;J.Kirk Cochran;Michael P Bacon;Hugh D Livingston

  • Short-lived U/Th Series Radionuclides in the Ocean: Tracers for Scavenging Rates, Export Fluxes and Particle Dynamics

    J. K. Cochran;P. Masqué

  • Natural and anthropogenic radionuclide distributions in the northwest Atlantic Ocean

    J. Kirk Cochran;Hugh D. Livingston;David J. Hirschberg;Lolita D. Surprenant

  • Tracking particle-associated processes in nearshore environments by use of 234Th/238U disequilibrium

    Robert C. Aller;Larry K. Benninger;J. Kirk Cochran

  • Short-lived thorium isotopes (234Th, 228Th) as indicators of POC export and particle cycling in the Ross Sea, Southern Ocean

    J.K. Cochran;K.O. Buesseler;M.P. Bacon;H.W. Wang

Frequent Co-Authors

Neil H. Landman
Neil H. Landman American Museum of Natural History
Jordi Garcia-Orellana
Jordi Garcia-Orellana Autonomous University of Barcelona
Robert C. Aller
Robert C. Aller Stony Brook University
Karl K. Turekian
Karl K. Turekian Yale University
Cindy Lee
Cindy Lee Stony Brook University
Scott W. Fowler
Scott W. Fowler International Atomic Energy Agency
Ken O. Buesseler
Ken O. Buesseler Woods Hole Oceanographic Institution
Pere Masqué
Pere Masqué Edith Cowan University
Matthew A. Charette
Matthew A. Charette Woods Hole Oceanographic Institution
Michael P. Bacon
Michael P. Bacon Woods Hole Oceanographic Institution

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Related Online Degrees & Career Pathways

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By earning a library science degree, Earth Science graduates can specialize in managing scientific archives or digital databases, supporting research and knowledge dissemination across environmental sectors.

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