World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
39
Citations
4918
World Ranking
6253
National Ranking
2223

Alan D. Wanamaker 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 Alan D. Wanamaker 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: 155 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Alan D. Wanamaker 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 Alan D. Wanamaker 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: 39 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Overview

Alan D. Wanamaker is affiliated with Iowa State University in the United States. The scientist's research primarily focuses on Earth and Planetary Sciences and Environmental Science, with significant work in several related subfields. Key areas of study include Atmospheric Science, Ecology, Global and Planetary Change, Oceanography, and Geophysics.

Their work addresses diverse topics such as Geology and Paleoclimatology Research, Isotope Analysis in Ecology, Climate variability and models, Tree-ring climate responses, Marine Bivalve and Aquaculture Studies, Methane Hydrates and Related Phenomena, and Archaeology and ancient environmental studies.

Alan D. Wanamaker has published extensively, including 44 papers in Earth and Planetary Sciences and 31 in Environmental Science. Publications appear frequently in venues such as Abstracts with programs - Geological Society of America, Nature Geoscience, Quaternary Research, Journal of Geophysical Research Oceans, and Ecosystems.

  • Abstracts with programs - Geological Society of America
  • Nature Geoscience
  • Quaternary Research
  • Journal of Geophysical Research Oceans
  • Ecosystems

Several recent papers exemplify their research scope and collaborative nature. These include:

  • Atlantic circulation change still uncertain, 2022, Nature Geoscience
  • Twentieth-century Azores High expansion unprecedented in the past 1,200 years, 2022, Nature Geoscience
  • Eutrophication Drives Extreme Seasonal CO2 Flux in Lake Ecosystems, 2020, Ecosystems
  • Hydroclimate variability from western Iberia (Portugal) during the Holocene: Insights from a composite stalagmite isotope record, 2020, The Holocene
  • Rapid 20th century warming reverses 900-year cooling in the Gulf of Maine, 2022, Communications Earth & Environment

Alan D. Wanamaker has collaborated frequently with other researchers, including Caroline C. Ummenhofer, Diana L. Thatcher, Yemane Asmerom, Victor J. Polyak, and David P. Gillikin. Multiple joint publications indicate sustained research partnerships.

  • Caroline C. Ummenhofer
  • Diana L. Thatcher
  • Yemane Asmerom
  • Victor J. Polyak
  • David P. Gillikin

Best Publications

  • Variability of marine climate on the North Icelandic Shelf in a 1357-year proxy archive based on growth increments in the bivalve Arctica islandica

    Paul G. Butler;Alan D. Jnr Wanamaker;James D. Scourse;Christopher A. Richardson

  • Carbonate clumped isotope compositions of modern marine mollusk and brachiopod shells

    Gregory A. Henkes;Benjamin H. Passey;Alan D. Wanamaker;Ethan L. Grossman

  • surface changes in the north Atlantic meridional overturning circulation during the last millennium

    Alan D. Wanamaker;Paul G. Butler;James D. Scourse;Jan Heinemeier

  • Very Long-Lived Mollusks Confirm 17th Century AD Tephra-Based Radiocarbon Reservoir Ages for North Icelandic Shelf Waters

    Alan D Wanamaker;Jan Heinemeier;James D Scourse;Christopher A Richardson

  • A Stalagmite record of Holocene Indonesian–Australian summer monsoon variability from the Australian tropics

    Rhawn F. Denniston;Karl-Heinz Wyrwoll;Victor J. Polyak;Josephine R. Brown

  • Marine climate in the Irish Sea: analysis of a 489-year marine master chronology derived from growth increments in the shell of the clam Arctica islandica

    Paul G. Butler;Christopher A. Richardson;James D. Scourse;Alan D. Wanamaker

  • Coupled North Atlantic slope water forcing on Gulf of Maine temperatures over the past millennium

    Alan D. Wanamaker;Alan D. Wanamaker;Karl J. Kreutz;Bernd R. Schöne;Neal Pettigrew

  • The influence of temperature and seawater carbonate saturation state on 13C–18O bond ordering in bivalve mollusks

    R A Eagle;R A Eagle;J M Eiler;Aradhna K Tripati;Justin B Ries

  • Continuous marine radiocarbon reservoir calibration and the 13C Suess effect in the Irish Sea: Results from the first multi-centennial shell-based marine master chronology

    Paul G. Butler;James D. Scourse;Christopher A. Richardson;Alan D. Wanamaker

  • Experimentally determined Mg/Ca and Sr/Ca ratios in juvenile bivalve calcite for Mytilus edulis: implications for paleotemperature reconstructions

    Alan D. Wanamaker;Alan D. Wanamaker;Karl J. Kreutz;Tiffany Wilson;Harold W. Borns

  • Experimental Determination of Salinity, Temperature, Growth, and Metabolic Effects on Shell Isotope Chemistry of Mytilus edulis Collected from Maine and Greenland

    Alan D. Wanamaker;Karl J. Kreutz;Harold W. Borns;Douglas S. Introne

  • Coralline red algae as high-resolution climate recorders

    J. Halfar;R. S. Steneck;M. Joachimski;A. Kronz

  • Annually resolved North Atlantic marine climate over the last millennium.

    David J. Reynolds;J.D. Scourse;P.R. Halloran;A. Nederbragt

  • Variability in the Northern North Atlantic and Arctic Oceans Across the Last Two Millennia: A Review

    Paola Moffa-Sánchez;Paola Moffa-Sánchez;E. Moreno-Chamarro;D. J. Reynolds;D. J. Reynolds;P. Ortega

  • The value of crossdating to retain high-frequency variability, climate signals, and extreme events in environmental proxies

    Bryan A. Black;Daniel Griffin;Peter van der Sleen;Alan D. Wanamaker

  • Gulf of Maine shells reveal changes in seawater temperature seasonality during the Medieval Climate Anomaly and the Little Ice Age

    Alan D. Wanamaker;Karl J. Kreutz;Bernd R. Schöne;Douglas S. Introne

  • Linking large‐scale climate variability with Arctica islandica shell growth and geochemistry in northern Norway

    Madelyn J. Mette;Alan D. Wanamaker;Michael L. Carroll;William G. Ambrose

  • Expansion and Contraction of the Indo-Pacific Tropical Rain Belt over the Last Three Millennia.

    Rhawn F. Denniston;Caroline C. Ummenhofer;Alan D. Wanamaker;Matthew S. Lachniet

  • Extreme rainfall activity in the Australian tropics reflects changes in the El Niño/Southern Oscillation over the last two millennia

    Rhawn F. Denniston;Gabriele Villarini;Angelique N. Gonzales;Karl-Heinz Wyrwoll

  • Twentieth-century Azores High expansion unprecedented in the past 1,200 years

    Unknown

  • Experimental validation of environmental controls on the δ13C of Arctica islandica (ocean quahog) shell carbonate

    Erin C. Beirne;Alan D. Wanamaker;Scott C. Feindel

  • A late Holocene paleo-productivity record in the western Gulf of Maine, USA, inferred from growth histories of the long-lived ocean quahog (Arctica islandica)

    Alan D. Wanamaker;Karl J. Kreutz;Bernd R. Schöne;Kirk A. Maasch

Frequent Co-Authors

James D. Scourse
James D. Scourse University of Exeter
Christopher A. Richardson
Christopher A. Richardson Bangor University
David P. Gillikin
David P. Gillikin Union College
Bernd R. Schöne
Bernd R. Schöne Johannes Gutenberg University of Mainz
Caroline C. Ummenhofer
Caroline C. Ummenhofer Woods Hole Oceanographic Institution
Victor J. Polyak
Victor J. Polyak University of New Mexico
Karl J. Kreutz
Karl J. Kreutz University of Maine
Yemane Asmerom
Yemane Asmerom University of New Mexico
Jón Eiríksson
Jón Eiríksson University of Iceland
William F. Humphreys
William F. Humphreys Australian Museum

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