World's Best Scientists 2026 revealed!
Tomoo Ushio

Tomoo Ushio

D-Index & Metrics

Environmental Sciences

D-Index
42
Citations
6962
World Ranking
7398
National Ranking
144

Tomoo Ushio 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 Tomoo Ushio 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: 377 publications — 93rd percentile

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

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

Tomoo Ushio 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 Tomoo Ushio 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: 42 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Overview

Tomoo Ushio is affiliated with Osaka University in Japan. Their research spans multiple disciplines within Earth and Planetary Sciences, Environmental Science, and Engineering, with significant focus on Atmospheric Science, Environmental Engineering, Astronomy and Astrophysics, Global and Planetary Change, and Aerospace Engineering.

The main topics covered in their work include Precipitation Measurement and Analysis, Meteorological Phenomena and Simulations, Soil Moisture and Remote Sensing, Lightning and Electromagnetic Phenomena, Radio Wave Propagation Studies, Ionosphere and Magnetosphere Dynamics, and Fire Effects on Ecosystems.

Frequent collaborators in their research include Hiroshi Kikuchi, Eiichi Yoshikawa, Yuuki Wada, Y. Hobara, and Tomoaki Mega.

Ushio has published in a variety of scientific venues, with notable frequent contributions to the following journals:

  • IEEE Transactions on Geoscience and Remote Sensing
  • Journal of Geophysical Research Atmospheres
  • IEEJ Transactions on Fundamentals and Materials
  • Journal of Atmospheric and Oceanic Technology
  • Atmospheric Research

Selected recent papers include:

  • A Primer on Phased Array Radar Technology for the Atmospheric Sciences, 2022, Bulletin of the American Meteorological Society
  • Improving precipitation nowcasting using a three-dimensional convolutional neural network model from Multi Parameter Phased Array Weather Radar observations, 2021, Atmospheric Research
  • Precipitation Extremes Monitoring Using the Near-Real-Time GSMaP Product, 2020, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
  • Initial Observations for Precipitation Cores With X-Band Dual Polarized Phased Array Weather Radar, 2020, IEEE Transactions on Geoscience and Remote Sensing
  • Meteorological Aspects of Gamma-Ray Glows in Winter Thunderstorms, 2021, Geophysical Research Letters

Best Publications

  • Global Precipitation Map using Satelliteborne Microwave Radiometers by the GSMaP Project : Production and Validation

    T. Kubota;S. Shige;H. Hashizume;K. Aonashi

  • 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

  • Global Satellite Mapping of Precipitation (GSMaP) Products in the GPM Era

    Takuji Kubota;Kazumasa Aonashi;Tomoo Ushio;Shoichi Shige

  • The global satellite mapping of precipitation (GSMaP) project

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

  • Verification of High-Resolution Satellite-Based Rainfall Estimates around Japan Using a Gauge-Calibrated Ground-Radar Dataset

    Takuji Kubota;Tomoo Ushio;Shoichi Shige;Satoshi Kida

  • MMSE Beam Forming on Fast-Scanning Phased Array Weather Radar

    Eiichi Yoshikawa;Tomoo Ushio;Zen Kawasaki;Satoru Yoshida

  • Evaluation of GSMaP Precipitation Estimates over the Contiguous United States

    Yudong Tian;Christa D. Peters-Lidard;Robert F. Adler;Takuji Kubota

  • A survey of thunderstorm flash rates compared to cloud top height using TRMM satellite data

    Tomoo Ushio;Stan J. Heckman;Dennis J. Boccippio;Hugh J. Christian

  • “Big Data Assimilation” Revolutionizing Severe Weather Prediction

    Takemasa Miyoshi;Masaru Kunii;Juan Ruiz;Guo-Yuan Lien

  • Gauge-Adjusted Global Satellite Mapping of Precipitation

    Tomoaki Mega;Tomoo Ushio;Matsuda Takahiro;Takuji Kubota

  • Global Precipitation Map using Satelliteborne Microwave Radiometers by the GSMaP Project : Production and Validation

    Unknown

  • Broad band interferometric measurement of rocket triggered lightning in Japan

    Tomo-o Ushio;Zen-Ichiro Kawasaki;Yasuhisa Ohta;Kenji Matsuura

  • A fifth-power relationship for lightning activity from Tropical Rainfall Measuring Mission satellite observations

    Satoru Yoshida;Satoru Yoshida;Takeshi Morimoto;Tomoo Ushio;ZenIchiro Kawasaki

  • Broadband radio interferometer utilizing a sequential triggering technique for locating fast-moving electromagnetic sources emitted from lightning

    R. Mardiana;T. Ushio;Y. Ota;M. Murakami

  • A Primer on Phased Array Radar Technology for the Atmospheric Sciences

    Unknown

  • Discharge height of lightning narrow bipolar events

    Ting Wu;Wansheng Dong;Yijun Zhang;Tsuyoshi Funaki

  • Gamma-ray glow preceding downward terrestrial gamma-ray flash

    Yuuki Wada;Yuuki Wada;Teruaki Enoto;Yoshitaka Nakamura;Yoshihiro Furuta

  • Three-dimensional imaging of upward positive leaders in triggered lightning using VHF broadband digital interferometers

    S. Yoshida;C. J. Biagi;V. A. Rakov;J. D. Hill

  • Initial results of LF sensor network for lightning observation and characteristics of lightning emission in LF band

    Satoru Yoshida;Ting Wu;Tomoo Ushio;Kenichi Kusunoki

  • “Big Data Assimilation” Toward Post-Petascale Severe Weather Prediction: An Overview and Progress

    Takemasa Miyoshi;Guo-Yuan Lien;Shinsuke Satoh;Tomoo Ushio

  • A Low-Power High-Resolution Broad-Band Radar Using a Pulse Compression Technique for Meteorological Application

    T. Mega;K. Monden;T. Ushio;K. Okamoto

  • What occurs in K process of cloud flashes

    Manabu Akita;Yoshitaka Nakamura;Satoru Yoshida;Takeshi Morimoto

  • Development and Initial Observation of High-Resolution Volume-Scanning Radar for Meteorological Application

    Eiichi Yoshikawa;Tomoo Ushio;Zen Kawasaki;Tomoaki Mega

  • Gauge adjusted global satellite mapping of precipitation (GSMaP_Gauge)

    Tomoaki Mega;Tomoo Ushio;Takuji Kubota;Misako Kachi

Frequent Co-Authors

Yukihiro Takahashi
Yukihiro Takahashi Hokkaido University
Umran S. Inan
Umran S. Inan Stanford University
Ken-ichi Okamoto
Ken-ichi Okamoto Yamaguchi University
Toshio Iguchi
Toshio Iguchi National Institute of Information and Communications Technology
V. Chandrasekar
V. Chandrasekar Colorado State University
Yukari N. Takayabu
Yukari N. Takayabu University of Tokyo
Yutaka Ishikawa
Yutaka Ishikawa University of Tokyo
Kazuo Makishima
Kazuo Makishima University of Tokyo
Kazuya Yoshida
Kazuya Yoshida Tohoku University

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