World's Best Scientists 2026 revealed!
Yasuyuki Muramatsu

Yasuyuki Muramatsu

D-Index & Metrics

Chemistry

D-Index
53
Citations
7487
World Ranking
13312
National Ranking
1017

Environmental Sciences

D-Index
53
Citations
7891
World Ranking
4338
National Ranking
69

Yasuyuki Muramatsu 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 Yasuyuki Muramatsu 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 230 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Yasuyuki Muramatsu 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 Yasuyuki Muramatsu 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 53 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Yasuyuki Muramatsu was affiliated with Gakushuin University in Japan. Their research spanned several interconnected fields within Earth and Environmental Sciences, focusing notably on geophysics and planetary studies. The primary areas of study included Earth and Planetary Sciences and Environmental Science.

Their work covered multiple subfields such as Geophysics, Astronomy and Astrophysics, Molecular Biology, Atmospheric Science, and Global and Planetary Change. Muramatsu's research encompassed a variety of scientific topics including Solar and Space Plasma Dynamics, Geomagnetism and Paleomagnetism Studies, Geology and Paleoclimatology Research, Geological and Geochemical Analysis, High-pressure Geophysics and Materials, Earthquake and Tectonic Studies, as well as Radioactive Contamination and Transfer.

The scientist contributed to scholarly literature with papers published across several notable venues. These included the Journal of Geophysical Research Space Physics, American Mineralogist, and Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms.

Among their recent papers were the following:

  • High-Resolution 10Be and 36Cl Data From the Antarctic Dome Fuji Ice Core (∼100 Years Around 5480 BCE): An Unusual Grand Solar Minimum Occurrence?, 2021, Journal of Geophysical Research Space Physics
  • Halogen heterogeneity in the subcontinental lithospheric mantle revealed by I/Br ratios in kimberlites and their mantle xenoliths from South Africa, Greenland, China, Siberia, Canada, and Brazil, 2021, American Mineralogist
  • An investigation of 129I from regional nuclear fuel reprocessing in the terrestrial sediments of Lake Ontario, 2020, Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms

Muramatsu collaborated frequently with a number of co-authors during their career. Notable collaborators included:

  • K. Kanzawa
  • Fusa Miyake
  • Kazuho Horiuchi
  • Kimikazu Sasa
  • K. Takano

The range of their research signifies a multidisciplinary approach across earth sciences and environmental disciplines with a particular emphasis on analyzing physical and chemical processes related to geomagnetic phenomena, solar activity, geochemical heterogeneity, and environmental contamination through radionuclide tracing.

Best Publications

  • The distribution of iodine in the earth's crust

    Yasuyuki Muramatsu;K Hans Wedepohl

  • Measurement of 240Pu/239Pu isotopic ratios in soils from the Marshall Islands using ICP-MS.

    Y. Muramatsu;T. Hamilton;S. Uchida;K. Tagami

  • Bacteria mediate methylation of iodine in marine and terrestrial environments.

    Seigo Amachi;Yoichi Kamagata;Takahiro Kanagawa;Yasuyuki Muramatsu

  • Concentrations of 239Pu and 240Pu and Their Isotopic Ratios Determined by ICP-MS in Soils Collected from the Chernobyl 30-km Zone

    Y. Muramatsu;W. Rühm;S. Yoshida;K. Tagami

  • Studies with natural and anthropogenic iodine isotopes: iodine distribution and cycling in the global environment.

    Yasuyuki Muramatsu;Satoshi Yoshida;Udo Fehn;Seigo Amachi

  • Recycling of iodine in fore-arc areas: evidence from the iodine brines in Chiba, Japan

    Yasuyuki Muramatsu;Udo Fehn;Satoshi Yoshida

  • Determination of plutonium concentration and its isotopic ratio in environmental materials by ICP-MS after separation using and extraction chromatography

    Yasuyuki Muramatsu;Shigeo Uchida;Keiko Tagami;Satoshi Yoshida

  • Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa trough: Implication for origin of methane in subseafloor fluid circulation systems

    Shinsuke Kawagucci;Shinsuke Kawagucci;Hitoshi Chiba;Jun Ichiro Ishibashi;Toshiro Yamanaka

  • Concentrations of lanthanide elements, Th, and U in 77 Japanese surface soils

    Satoshi Yoshida;Yasuyuki Muramatsu;Keiko Tagami;Shigeo Uchida

  • Halogen concentrations in pore waters and sediments of the Nankai Trough, Japan: Implications for the origin of gas hydrates

    Y. Muramatsu;T. Doi;H. Tomaru;U. Fehn

  • Volatilization of methyl iodide from the soil-plant system

    Yasuyuki Muramatsu;Satoshi Yoshida

  • Accumulation of radiocesium in basidiomycetes collected from Japanese forests

    S. Yoshida;Y. Muramatsu

  • Studies on the sorption of I? (iodide) and IO3 ? (iodate) onto Andosols

    S. Yoshida;Y. Muramatsu;S. Uchida

  • Isolation of Iodide-Oxidizing Bacteria from Iodide-Rich Natural Gas Brines and Seawaters

    Seigo Amachi;Yasuyuki Muramatsu;Yukako Akiyama;Kazumi Miyazaki

  • Equilibrium of radiocesium with stable cesium within the biological cycle of contaminated forest ecosystems.

    S. Yoshida;Y. Muramatsu;A.M. Dvornik;T.A. Zhuchenko

  • AMS analysis of 129I in Japanese soil samples collected from background areas far from nuclear facilities

    Yasuyuki Muramatsu;Yukari Takada;Hiroyuki Matsuzaki;Satoshi Yoshida

  • Iodine-129 and iodine-127 in environmental samples collected from Tokaimura/Ibaraki, Japan

    Y. Muramatsu;Y. Ohmomo

  • Microbial participation in iodine volatilization from soils.

    Seigo Amachi;Mizuyo Kasahara;Satoshi Hanada;Yoichi Kamagata

  • Radiocesium concentrations in mushrooms collected in Japan

    S. Yoshida;Y. Muramatsu;M. Ogawa

  • The initial 129I/I ratio and the presence of ‘old’ iodine in continental margins

    U. Fehn;J.E. Moran;G.T. Snyder;Y. Muramatsu

  • Concentrations of alkali and alkaline earth elements in mushrooms and plants collected in a Japanese pine forest, and their relationship with 137Cs

    Satoshi Yoshida;Yasuyuki Muramatsu

Frequent Co-Authors

Shigeo Uchida
Shigeo Uchida National Institutes for Quantum and Radiological Science and Technology
Udo Fehn
Udo Fehn University of Rochester
Yuichiro Ueno
Yuichiro Ueno Tokyo Institute of Technology
Yoichi Kamagata
Yoichi Kamagata National Institute of Advanced Industrial Science and Technology
Frithjof C. Küpper
Frithjof C. Küpper University of Aberdeen
Martin Reich
Martin Reich University of Chile
Ryo Matsumoto
Ryo Matsumoto Meiji University
Ken Takai
Ken Takai Japan Agency for Marine-Earth Science and Technology
Yasuhito Igarashi
Yasuhito Igarashi Kyoto University
Yuji Sano
Yuji Sano Kōchi University

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