World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
45
Citations
14713
World Ranking
6236
National Ranking
109

Toshio Iguchi 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 Toshio Iguchi 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: 246 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Toshio Iguchi 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 Toshio Iguchi 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: 45 D-Index — 36th percentile

36% 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

  • 2014 - IEEE Fellow For contributions to spaceborne meteorological instruments and radar

Overview

Toshio Iguchi is affiliated with the National Institute of Information and Communications Technology in Japan. Their research primarily focuses on the fields of Earth and Planetary Sciences and Environmental Science, with particular emphasis on Atmospheric Science, Environmental Engineering, Global and Planetary Change, Aerospace Engineering, and Oceanography.

Their work encompasses several main topics, including precipitation measurement and analysis, meteorological phenomena and simulations, soil moisture and remote sensing, cryospheric studies and observations, atmospheric aerosols and clouds, icing and de-icing technologies, and tropical and extratropical cyclones research.

Iguchi's notable publications include:

  • "The Precipitation Rate Retrieval Algorithms for the GPM Dual-frequency Precipitation Radar," 2020, Journal of the Meteorological Society of Japan Ser II
  • "Calibration of the Dual-Frequency Precipitation Radar Onboard the Global Precipitation Measurement Core Observatory," 2020, IEEE Transactions on Geoscience and Remote Sensing
  • "Development of Precipitation Type Classification Algorithms for a Full Scan Mode of GPM Dual-frequency Precipitation Radar," 2021, Journal of the Meteorological Society of Japan Ser II
  • "Path Attenuation Estimates for the GPM Dual-frequency Precipitation Radar (DPR)," 2020, Journal of the Meteorological Society of Japan Ser II
  • "Cloud Assumption of Precipitation Retrieval Algorithms for the Dual-Frequency Precipitation Radar," 2020, Journal of Atmospheric and Oceanic Technology

Iguchi frequently publishes in the following venues:

  • Journal of Atmospheric and Oceanic Technology
  • Journal of the Meteorological Society of Japan Ser II
  • IEEE Transactions on Geoscience and Remote Sensing
  • Atmosphere
  • Journal of Applied Meteorology and Climatology

The scientist has collaborated regularly with several coauthors, including:

  • Takuji Kubota
  • Takeshi Masaki
  • R. Meneghini
  • Riko Oki
  • Shinta Seto

Iguchi received the IEEE Fellow award in 2014 for contributions to spaceborne meteorological instruments and radar.

Best Publications

  • The Global Precipitation Measurement Mission

    Arthur Y. Hou;Ramesh K. Kakar;Steven Neeck;Ardeshir A. Azarbarzin

  • The status of the tropical rainfall measuring mission (TRMM) after two years in orbit

    C. Kummerow;J. Simpson;O. Thiele;W. Barnes

  • Rain profiling algorithm for the TRMM precipitation radar

    T. Iguchi;T. Kozu;R. Meneghini;K. Okamoto

  • The Global Precipitation Measurement (GPM) Mission for Science and Society

    Gail Skofronick-Jackson;Walter A Petersen;Wesley Berg;Chris Kidd

  • A Kalman Filter Approach to the Global Satellite Mapping of Precipitation (GSMaP) from Combined Passive Microwave and Infrared Radiometric Data

    Tomoo Ushio;Kazushi Sasashige;Takuji Kubota;Shoichi Shige

  • Uncertainties in the Rain Profiling Algorithm for the TRMM Precipitation Radar

    Toshio Iguchi;Toshiaki Kozu;John Kwiatkowski;Robert Meneghini

  • Intercomparison of Single-Frequency Methods for Retrieving a Vertical Rain Profile from Airborne or Spaceborne Radar Data

    Toshio Iguchi;Robert Meneghini

  • Use of the Surface Reference Technique for Path Attenuation Estimates from the TRMM Precipitation Radar

    Robert Meneghini;Toshio Iguchi;Toshiaki Kozu;Liang Liao

  • Abrupt termination of the 1997–98 El Niño in response to a Madden–Julian oscillation

    Yukari N. Takayabu;Toshio Iguchi;Misako Kachi;Akira Shibata

  • The TRMM 'Day-1' Radar/Radiometer Combined Rain-Profiling Algorithm

    Ziad S. Haddad;Eric A. Smith;Christian D. Kummerow;Toshio Iguchi

  • The global satellite mapping of precipitation (GSMaP) project

    K.i. Okamoto;T. Ushio;T. Iguchi;N. Takahashi

  • International Global Precipitation Measurement (GPM) Program and Mission: An Overview

    Eric A. Smith;Ghassem Asrar;Yoji Furuhama;Amnon Ginati

  • GPM/DPR Level-2 Algorithm Theoretical Basis Document

    Toshio Iguchi;Shinta Seto;Robert Meneghini;Naofumi Yoshida

  • TRMM PR Standard Algorithm 2A23 and its Performance on Bright Band Detection

    Jun Awaka;Toshio Iguchi;Ken'ichi Okamoto

  • Retrieval of Latent Heating from TRMM Measurements

    W. K. Tao;E. A. Smith;R. F. Adler;Z. S. Haddad

  • Rain profiling algorithm for TRMM precipitation radar data

    T. Iguchi;R. Meneghini;J. Awaka;T. Kozu

  • The Basic Performance of a Precipitation Retrieval Algorithm for the Global Precipitation Measurement Mission's Single/Dual-Frequency Radar Measurements

    Shinta Seto;Toshio Iguchi;Taikan Oki

  • Tunable diode laser systems for measuring trace gases intropospheric air.

    H. I. Schiff;D. R. Hastie;G. I. Mackay;T. Iguchi

  • Comparisons of Rain Rate and Reflectivity Factor Derived from the TRMM Precipitation Radar and the WSR-88D over the Melbourne, Florida, Site

    Liang Liao;Robert Meneghini;Toshio Iguchi

  • Microphysical retrievals over stratiform rain using measurements from an airborne dual-wavelength radar-radiometer

    R. Meneghini;H. Kumagai;J.R. Wang;T. Iguchi

  • Uncertainties in the Rain Profiling Algorithm for the TRMM Precipitation Radar(1. Precipitation Radar (PR), Precipitation Measurements from Space)

    Toshio Iguchi;Toshiaki Kozu;John Kwiatkowski;Robert Meneghini

Frequent Co-Authors

Robert Meneghini
Robert Meneghini Goddard Space Flight Center
Ken-ichi Okamoto
Ken-ichi Okamoto Yamaguchi University
Yukari N. Takayabu
Yukari N. Takayabu University of Tokyo
Tomoo Ushio
Tomoo Ushio Osaka University
Christian D. Kummerow
Christian D. Kummerow Colorado State University
Taikan Oki
Taikan Oki University of Tokyo
Nobuhiro Takahashi
Nobuhiro Takahashi Tokyo University of Agriculture and Technology
Eric A. Smith
Eric A. Smith Florida State University
Masaki Satoh
Masaki Satoh University of Tokyo
Joanne Simpson
Joanne Simpson Goddard Space Flight Center

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