World's Best Scientists 2026 revealed!
Takeshi Nakagawa

Takeshi Nakagawa

D-Index & Metrics

Earth Science

D-Index
44
Citations
6821
World Ranking
4747
National Ranking
123

Takeshi Nakagawa 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 Takeshi Nakagawa 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: 156 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.

Takeshi Nakagawa 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 Takeshi Nakagawa 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: 44 D-Index — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Overview

Takeshi Nakagawa is affiliated with Ritsumeikan University in Japan and is primarily engaged in research within the field of Earth and Planetary Sciences. Their academic output predominantly focuses on geosciences, specifically addressing topics related to geology, paleoclimatology, and isotope analysis in ecological and archaeological contexts.

The scientist's recent publications illustrate a concentration on the analysis of pollen records and radiocarbon dating methods, often applied to reconstruct past environmental and climatic conditions. Notable papers include:

  • The spatio-temporal structure of the Lateglacial to early Holocene transition reconstructed from the pollen record of Lake Suigetsu and its precise correlation with other key global archives: Implications for palaeoclimatology and archaeology, 2021, published in Global and Planetary Change
  • The Eurasian Modern Pollen Database (EMPD), version 2, 2020, published in Earth system science data
  • Reanalysis of the Atmospheric Radiocarbon Calibration Record from Lake Suigetsu, Japan, 2020, published in Radiocarbon
  • Extraction method for fossil pollen grains using a cell sorter suitable for routine 14C dating, 2021, published in Quaternary Science Reviews
  • Constraints on the Timing of Explosive Volcanism at Aso and Aira Calderas (Japan) Between 50 and 30 ka: New Insights From the Lake Suigetsu Sedimentary Record (SG14 Core), 2020, published in Geochemistry Geophysics Geosystems

Their frequent co-authors reflect ongoing collaborations with experts in related disciplines. These co-authors include:

  • Ikuko Kitaba
  • Richard A. Staff
  • Keitaro Yamada
  • Danielle McLean
  • Paul G. Albert

The scientist's work is often published in recognized venues such as Quaternary Science Reviews, which accounts for four of their publications, and Quaternary Geochronology with three publications. Other journals include the Journal of Architecture and Planning (Transactions of AIJ), Earth System Science Data, and Radiocarbon.

Takeshi Nakagawa's research focuses on several subfields within Earth and Planetary Sciences, comprising atmospheric science, geophysics, paleontology, ecology, and anthropology. The main topics addressed in their work are:

  • Geology and Paleoclimatology Research
  • Isotope Analysis in Ecology
  • Archaeology and ancient environmental studies
  • Geological and Geochemical Analysis
  • Earthquake and tectonic studies
  • Pleistocene-Era Hominins and Archaeology
  • Geomagnetism and Paleomagnetism Studies

Best Publications

  • Formal definition and dating of the GSSP (Global Stratotype Section and Point) for the base of the Holocene using the Greenland NGRIP ice core, and selected auxiliary records

    Mike Walker;Sigfus Johnsen;Sune Olander Rasmussen;Trevor Popp;Trevor Popp

  • A complete terrestrial radiocarbon record for 11.2 to 52.8 kyr B.P

    Christopher Bronk Ramsey;Richard A. Staff;Charlotte L. Bryant;Fiona Brock

  • Identification and correlation of visible tephras in the Lake Suigetsu SG06 sedimentary archive, Japan: chronostratigraphic markers for synchronising of east Asian/west Pacific palaeoclimatic records across the last 150 ka

    Victoria C. Smith;Richard A. Staff;Simon P.E. Blockley;Christopher Bronk Ramsey

  • Quantitative pollen-based climate reconstruction in central Japan: application to surface and Late Quaternary spectra

    Takeshi Nakagawa;Pavel E. Tarasov;Pavel E. Tarasov;Kotoba Nishida;Katsuya Gotanda

  • Pollen-Based Quantitative Reconstruction of Holocene Climate Changes in the Daihai Lake Area, Inner Mongolia, China

    Qinghai Xu;Jule Xiao;Yuecong Li;Fang Tian

  • Vegetation and climate dynamics during the Holocene and Eemian interglacials derived from Lake Baikal pollen records

    Pavel Tarasov;Elena Bezrukova;Eugene Karabanov;Eugene Karabanov;Takeshi Nakagawa

  • Dense‐media separation as a more efficient pollen extraction method for use with organic sediment/deposit samples: comparison with the conventional method

    Takeshi Nakagawa;Elisabetta Brugiapaglia;Gunnar Digerfeldt;Maurice Reille

  • The earliest record of major anthropogenic deforestation in the Ghab Valley, northwest Syria : a palynological study

    Yoshinori Yasuda;Hiroyuki Kitagawa;Takeshi Nakagawa

  • Developments in the calibration and modeling of radiocarbon dates

    Christopher Bronk Ramsey;Michael Dee;Sharen Lee;Takeshi Nakagawa;Takeshi Nakagawa

  • East Asian pollen database: modern pollen distribution and its quantitative relationship with vegetation and climate

    Zhuo Zheng;Jinhui Wei;Kangyou Huang;Qinghai Xu

  • Asynchronous climate changes in the North Atlantic and Japan during the last termination.

    Takeshi Nakagawa;Hiroyuki Kitagawa;Yoshinori Yasuda;Pavel E. Tarasov

  • SG06, a fully continuous and varved sediment core from Lake Suigetsu, Japan: stratigraphy and potential for improving the radiocarbon calibration model and understanding of late Quaternary climate changes

    Takeshi Nakagawa;Katsuya Gotanda;Tsuyoshi Haraguchi;Toru Danhara

  • Satellite- and pollen-based quantitative woody cover reconstructions for northern Asia: verification and application to late-Quaternary pollen data

    Pavel Tarasov;John W. Williams;Andrei Andreev;Takeshi Nakagawa

  • Biome classification from Japanese pollen data: application to modern-day and Late Quaternary samples

    Katsuya Gotanda;Katsuya Gotanda;Takeshi Nakagawa;Pavel Tarasov;Pavel Tarasov;Junko Kitagawa

  • Regulation of the monsoon climate by two different orbital rhythms and forcing mechanisms

    Takeshi Nakagawa;Masaaki Okuda;Hitoshi Yonenobu;Norio Miyoshi

  • The Global Stratotype Section and Point (GSSP) for the Base of the Holocene Series/Epoch (Quaternary System/Period) in the NGRIP Ice Core

    Mike Walker;Sigfus Johnsen;Sune Olander Rasmussen;Jørgen-Peder Steffensen

  • Progress in the reconstruction of Quaternary climate dynamics in the Northwest Pacific: A new modern analogue reference dataset and its application to the 430-kyr pollen record from Lake Biwa

    Pavel E. Tarasov;Takeshi Nakagawa;Dieter Demske;Hermann Österle

  • Atlas of pollen, spores and further non-pollen palynomorphs recorded in the glacial-interglacial late Quaternary sediments of Lake Suigetsu, central Japan

    Dieter Demske;Pavel E. Tarasov;Takeshi Nakagawa

  • Salt weathering of sandstone at the Angkor monuments, Cambodia: identification of the origins of salts using sulfur and strontium isotopes

    Takahiro Hosono;Etsuo Uchida;Chiyuki Suda;Akiyo Ueno

  • Pollen/event stratigraphy of the varved sediment of Lake Suigetsu, central Japan from 15,701 to 10,217 SG vyr BP (Suigetsu varve years before present): Description, interpretation, and correlation with other regions

    Takeshi Nakagawa;Takeshi Nakagawa;Takeshi Nakagawa;Hiroyuki Kitagawa;Yoshinori Yasuda;Pavel E. Tarasov

Frequent Co-Authors

Richard A. Staff
Richard A. Staff Scottish Universities Environmental Research Centre
Pavel E. Tarasov
Pavel E. Tarasov Freie Universität Berlin
Ryuji Tada
Ryuji Tada University of Tokyo
Henry F. Lamb
Henry F. Lamb Aberystwyth University
Christopher Bronk Ramsey
Christopher Bronk Ramsey University of Oxford
Yusuke Yokoyama
Yusuke Yokoyama University of Tokyo
Charlotte Bryant
Charlotte Bryant Scottish Universities Environmental Research Centre
Achim Brauer
Achim Brauer University of Potsdam
Victoria C. Smith
Victoria C. Smith University of Oxford
Fiona Brock
Fiona Brock Cranfield University

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