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Environmental Sciences
Japan
2026

D-Index & Metrics

Environmental Sciences

D-Index
87
Citations
26067
World Ranking
684
National Ranking
5

Hajime Akimoto 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 Hajime Akimoto 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: 409 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Hajime Akimoto 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 Hajime Akimoto 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: 87 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in Japan Leader Award
  • 2025 - Research.com Environmental Sciences in Japan Leader Award
  • 2023 - Research.com Environmental Sciences in Japan Leader Award
  • 2022 - Research.com Environmental Sciences in Japan Leader Award
  • 2016 - Fellow of American Geophysical Union (AGU)

Overview

Hajime Akimoto is affiliated with the National Institute for Environmental Studies in Japan. Their research spans Earth and Planetary Sciences as well as Environmental Science, with a focus on several subfields including Atmospheric Science, Global and Planetary Change, Health, Toxicology and Mutagenesis, Economics and Econometrics, and Oceanography.

The scientist's work primarily addresses topics related to Atmospheric chemistry and aerosols, Air Quality and Health Impacts, Atmospheric Ozone and Climate, Atmospheric and Environmental Gas Dynamics, Atmospheric aerosols and clouds, Climate Change Policy and Economics, and the impact of COVID-19 on air quality.

Frequent publication venues for their research include:

  • Atmospheric chemistry and physics
  • Atmospheric Environment
  • AMBIO
  • Aerosol and Air Quality Research
  • Progress in Earth and Planetary Science

Notable recent papers include:

  • Rethinking of the adverse effects of NOx-control on the reduction of methane and tropospheric ozone - Challenges toward a denitrified society, 2022, Atmospheric Environment
  • Evaluation of NU-WRF model performance on air quality simulation under various model resolutions - an investigation within the framework of MICS-Asia Phase III, 2020, Atmospheric chemistry and physics
  • Unbalanced emission reductions of different species and sectors in China during COVID-19 lockdown derived by multi-species surface observation assimilation, 2023, Atmospheric chemistry and physics
  • Development of science and policy related to acid deposition in East Asia over 30 years, 2022, AMBIO
  • Discrepancies between MICS-Asia III simulation and observation for surface ozone in the marine atmosphere over the northwestern Pacific Asian Rim region, 2020, Atmospheric chemistry and physics

Frequent co-authors include:

  • Hiroshi Tanimoto
  • Zifa Wang
  • Tatsuya Nagashima
  • Meng Gao
  • Gregory R. Carmichael

The scientist was recognized as a Fellow of the American Geophysical Union (AGU) in 2016.

Best Publications

  • An Asian emission inventory of anthropogenic emission sources for the period 1980-2020

    T. Ohara;T. Ohara;H. Akimoto;J. Kurokawa;N. Horii

  • Global Air Quality and Pollution

    Unknown

  • Emissions of air pollutants and greenhouse gases over Asian regions during 2000–2008: Regional Emission inventory in ASia (REAS) version 2

    J. Kurokawa;T. Ohara;T. Morikawa;S. Hanayama

  • Atmospheric composition change – global and regional air quality

    P.S. Monks;Claire Granier;Claire Granier;Claire Granier;S. Fuzzi;A. Stohl

  • Global estimations of the inventory and mitigation potential of methane emissions from rice cultivation conducted using the 2006 Intergovernmental Panel on Climate Change Guidelines

    Xiaoyuan Yan;Hiroko Akiyama;Kazuyuki Yagi;Hajime Akimoto

  • Statistical analysis of the major variables controlling methane emission from rice fields

    Xiaoyuan Yan;Kazuyuki Yagi;Hiroko Akiyama;Hajime Akimoto

  • Estimation of nitrous oxide, nitric oxide and ammonia emissions from croplands in East, Southeast and South Asia

    Xiaoyuan Yan;Hajime Akimoto;Toshimasa Ohara

  • Distribution of SO2, NOx and CO2 emissions from fuel combustion and industrial activities in Asia with 1° × 1° resolution

    Hajime Akimoto;Hirohito Narita

  • Bottom-up estimate of biomass burning in mainland China.

    Xiaoyuan Yan;Xiaoyuan Yan;Toshimasa Ohara;Hajime Akimoto

  • CHASER: A global chemical model of the troposphere 1. Model description

    Kengo Sudo;Masaaki Takahashi;Jun-ichi Kurokawa;Hajime Akimoto

  • The Pacific Exploratory Mission‐West Phase B: February‐March, 1994

    J. M. Hoell;D. D. Davis;S. C. Liu;R. E. Newell

  • Reactions of ozone with α‐pinene and β‐pinene in air: Yields of gaseous and particulate products

    Shiro Hatakeyama;Katsuyuki Izumi;Tsutomu Fukuyama;Hajime Akimoto

  • Pacific Exploratory Mission‐West A (PEM‐West A): September–October 1991

    Jr.J. M. Hoell;D. D Davis;S. C. Liu;R. Newell

  • Reactions of OH with α-pinene and β-pinene in air: Estimate of global CO production from the atmospheric oxidation of terpenes

    Shiro Hatakeyama;Katsuyuki Izumi;Tsutomu Fukuyama;Hajime Akimoto

  • FORMATION OF NITROUS ACID AND NITRIC OXIDE IN THE HETEROGENEOUS DARK REACTION OF NITROGEN DIOXIDE AND WATER VAPOR IN A SMOG CHAMBER

    F. Sakamaki;S. Hatakeyama;H. Akimoto

  • Intercontinental transport of ozone and its precursors in a three-dimensional global CTM

    Oliver Wild;Hajime Akimoto

  • Anthropogenic emissions of SO2 and NOx in Asia : emission inventories

    Unknown

  • Urban photochemistry in central Tokyo 1. Observed and modeled OH and HO2 radical concentrations during the winter and summer of 2004

    Yugo Kanaya;Renqiu Cao;Hajime Akimoto;Masato Fukuda

  • Indirect long‐term global radiative cooling from NOx Emissions

    Oliver Wild;Michael J. Prather;Hajime Akimoto

  • Global source attribution of tropospheric ozone: Long-range transport from various source regions

    K. Sudo;K. Sudo;H. Akimoto

  • Sulfur dioxide emissions in Asia in the period 1985–1997

    David G Streets;Nancy Y Tsai;Hajime Akimoto;Kaoru Oka

  • Mechanism for the formation of gaseous and particulate products from ozone-cycloalkene reactions in air

    Shiro. Hatakeyama;Masafumi. Ohno;Jianhua. Weng;Hiroo. Takagi

Frequent Co-Authors

Yugo Kanaya
Yugo Kanaya Japan Agency for Marine-Earth Science and Technology
Toshimasa Ohara
Toshimasa Ohara Asia Center for Air Pollution Research
Yoshizumi Kajii
Yoshizumi Kajii Kyoto University
Hiroshi Tanimoto
Hiroshi Tanimoto National Institute for Environmental Studies
Zifa Wang
Zifa Wang Chinese Academy of Sciences
Hitoshi Irie
Hitoshi Irie Chiba University
Kengo Sudo
Kengo Sudo Nagoya University
Masayuki Takigawa
Masayuki Takigawa Japan Agency for Marine-Earth Science and Technology
Itsushi Uno
Itsushi Uno Kyushu University
Yoko Yokouchi
Yoko Yokouchi National Institute for Environmental Studies

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