World's Best Scientists 2026 revealed!
Michael D. DeGrandpre

Michael D. DeGrandpre

D-Index & Metrics

Environmental Sciences

D-Index
43
Citations
5855
World Ranking
7207
National Ranking
2563

Michael D. DeGrandpre 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 Michael D. DeGrandpre 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: 104 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Michael D. DeGrandpre 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 Michael D. DeGrandpre 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: 43 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Overview

Michael D. DeGrandpre is affiliated with the University of Montana in the United States. Their research is primarily situated within Earth and Planetary Sciences and Environmental Science, with a focus on subfields such as Oceanography, Environmental Chemistry, Atmospheric Science, Ecology, and Nature and Landscape Conservation.

The scientist's work covers several main topics including Ocean Acidification Effects and Responses, Marine and Coastal Ecosystems, Arctic and Antarctic Ice Dynamics, Methane Hydrates and Related Phenomena, Coral and Marine Ecosystem Studies, Fish Ecology and Management Studies, and Soil and Water Nutrient Dynamics.

Recent publications by Michael D. DeGrandpre illustrate their involvement in studies related to ocean and climate science. Notable papers include:

  • "Increasing hypoxia on global coral reefs under ocean warming" (2023, Nature Climate Change)
  • "Sea-ice loss amplifies summertime decadal CO2 increase in the western Arctic Ocean" (2020, Nature Climate Change)
  • "Changes in the Arctic Ocean Carbon Cycle With Diminishing Ice Cover" (2020, Geophysical Research Letters)
  • "Consistency and stability of purified meta-cresol purple for spectrophotometric pH measurements in seawater" (2021, Marine Chemistry)
  • "Emerging Technologies and Approaches for In Situ, Autonomous Observing in the Arctic" (2022, Oceanography)

Frequent coauthors in their research include Qipei Shangguan, R. A. Payn, Fischer L. Young, H. Maurice Valett, and Katja Fennel. This suggests collaborative efforts primarily within environmental and oceanographic studies.

Michael D. DeGrandpre has published extensively in several scientific journals and venues, including:

  • Nature Climate Change
  • Marine Chemistry
  • Limnology and Oceanography Methods
  • Frontiers in Marine Science
  • Journal of Geophysical Research Biogeosciences

The diversity of publication venues and the range of research topics underline an active engagement with issues concerning ocean chemistry, marine ecosystems, and the effects of environmental change on aquatic and polar regions.

Best Publications

  • Seasonal variation of CDOM and DOC in the Middle Atlantic Bight: Terrestrial inputs and photooxidation

    Anthony Vodacek;Neil V. Blough;Michael D. DeGrandpre;Robert K. Nelson

  • Volcanic ash fuels anomalous plankton bloom in subarctic northeast Pacific

    Roberta C. Hamme;Peter W. Webley;William R. Crawford;Frank A. Whitney

  • Air‐sea CO2 exchange in the equatorial Pacific

    Wade R. McGillis;Wade R. McGillis;James B. Edson;Christopher J. Zappa;Jonathan D. Ware

  • In situ measurements of seawater pCO2

    M. D. DeGrandpre;T. R. Hammar;S. P. Smith;F. L. Sayles

  • Aragonite saturation state dynamics in a coastal upwelling zone

    Katherine E. Harris;Michael D. DeGrandpre;Burke Hales

  • A sensor for in situ indicator-based measurements of seawater pH

    Matthew P. Seidel;Michael D. DeGrandpre;Andrew G. Dickson

  • The seasonal pCO2 cycle at 49°N/16.5°W in the northeastern Atlantic Ocean and what it tells us about biological productivity

    A. Körtzinger;U. Send;R. S. Lampitt;S. Hartman

  • Audit of the global carbon budget: estimate errors and their impact on uptake uncertainty

    A. P. Ballantyne;R. Andres;R. Houghton;B. D. Stocker

  • A submersible autonomous sensor for spectrophotometric pH measurements of natural waters

    Todd R Martz;Jeffrey J Carr;Craig R French;Michael D DeGrandpre

  • Air–sea CO2 fluxes on the US Middle Atlantic Bight

    M.D. DeGrandpre;G.J. Olbu;C.M. Beatty;T.R. Hammar

  • Carbonate buffering and metabolic controls on carbon dioxide in rivers

    Edward G. Stets;David Butman;Cory P. McDonald;Sarah M. Stackpoole

  • A Fiber-Optic FT-NIR Evanescent Field Absorbance Sensor

    Michael D. Degrandpre;Lloyd W. Burgess

  • Seasonal seawater optical properties of the U.S. Middle Atlantic Bight

    M. D. DeGrandpre;A. Vodacek;R. K. Nelson;E. J. Bruce

  • Measurement of seawater pCO2 using a renewable-reagent fiber optic sensor with colorimetric detection

    Michael D. DeGrandpre

  • Biogeochemical controls on Diel cycling of stable isotopes of dissolved O2 and dissolved inorganic carbon in the Big Hole River, Montana.

    Stephen R. Parker;Simon R. Poulson;Christopher H. Gammons;Michael D. DeGrandpre

  • Applications of in situ pH measurements for inorganic carbon calculations

    Sarah E. Cullison Gray;Michael D. DeGrandpre;Tommy S. Moore;Todd R. Martz

  • Increasing hypoxia on global coral reefs under ocean warming

    Unknown

  • Simultaneous mooring-based measurements of seawater CO2 and O2 off Cape Hatteras, North Carolina

    M .D. DeGrandpre;T. R. Hammar;Douglas W.R. Wallace;C. D. Wirick

  • Dissolved O2/Ar and other methods reveal rapid changes in productivity during a Lagrangian experiment in the Southern Ocean

    Roberta C. Hamme;Nicolas Cassar;Veronica P. Lance;Veronica P. Lance;Robert D. Vaillancourt

  • Seasonal cycle of O2 and pCO2 in the central Labrador Sea: Atmospheric, biological, and physical implications

    Arne Körtzinger;Uwe Send;Douglas W.R. Wallace;Johannes Karstensen

  • Biases in the air-sea flux of CO2 resulting from ocean surface temperature gradients

    Brian Ward;Rik Wanninkhof;Wade R. McGillis;Andrew T. Jessup

  • Ocean Time Series Observations of Changing Marine Ecosystems: An Era of Integration, Synthesis, and Societal Applications

    Heather M. Benway;Laura Lorenzoni;Angelicque E. White;Björn Fiedler

  • Air-sea CO2 exchange in the equatorial Pacific : Air-Sea Exchange

    Wade R. Mcgillis;James B. Edson;Christopher J. Zappa;Jonathan D. Ware

Frequent Co-Authors

Wade R. McGillis
Wade R. McGillis Lamont-Doherty Earth Observatory
William M. Drennan
William M. Drennan University of Miami
Rik Wanninkhof
Rik Wanninkhof Atlantic Oceanographic and Meteorological Laboratory
Christopher L. Sabine
Christopher L. Sabine University of Hawaii at Manoa
Peter G. Strutton
Peter G. Strutton University of Tasmania
J. E. Hare
J. E. Hare Cooperative Institute for Research in Environmental Sciences
James B. Edson
James B. Edson Woods Hole Oceanographic Institution
Andrew G. Dickson
Andrew G. Dickson University of California, San Diego
Mary-Louise Timmermans
Mary-Louise Timmermans Yale University
Nick J. Hardman-Mountford
Nick J. Hardman-Mountford Commonwealth Scientific and Industrial Research Organisation

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