World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
41
Citations
7112
World Ranking
7665
National Ranking
2734

Ali Tokay 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 Ali Tokay 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: 144 publications — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Ali Tokay 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 Ali Tokay 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: 41 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Overview

Ali Tokay is affiliated with the University of Maryland, Baltimore County in the United States. Their research broadly addresses topics within Earth and Planetary Sciences, with a strong focus on Atmospheric Science. Additional fields of study include Environmental Science, Environmental Engineering, Global and Planetary Change, and Oceanography.

The scientist's primary research topics encompass several aspects of atmospheric and environmental phenomena, including:

  • Precipitation Measurement and Analysis
  • Meteorological Phenomena and Simulations
  • Cryospheric Studies and Observations
  • Soil Moisture and Remote Sensing
  • Atmospheric Aerosols and Clouds
  • Arctic and Antarctic Ice Dynamics
  • Climate Variability and Models

Recent publications by Ali Tokay highlight their contributions to precipitation measurement methods, radar rainfall retrieval, and satellite validation studies. Selected papers include:

  • "Evaluation of GPM IMERG Performance Using Gauge Data over Indonesian Maritime Continent at Different Time Scales," 2022, Remote Sensing
  • "The GPM Validation Network and Evaluation of Satellite-Based Retrievals of the Rain Drop Size Distribution," 2020, Atmosphere
  • "Rainfall and DSD Parameters Comparison between Micro Rain Radar, Two-Dimensional Video and Parsivel2 Disdrometers, and S-Band Dual-Polarization Radar," 2020, Journal of Atmospheric and Oceanic Technology
  • "Snowfall in the Northern Great Lakes: Lessons Learned from a Multisensor Observatory," 2021, Bulletin of the American Meteorological Society
  • "Characteristics of DSD Bulk Parameters: Implication for Radar Rain Retrieval," 2020, Atmosphere

Frequent publication venues for their work include Atmosphere, Journal of Atmospheric and Oceanic Technology, Atmospheric Measurement Techniques, Journal of Applied Meteorology and Climatology, and Remote Sensing.

Ali Tokay collaborates regularly with a set of coauthors, including:

  • David B. Wolff
  • Charles N. Helms
  • Patrick Gatlin
  • Walter A. Petersen
  • S. Joseph Munchak

Best Publications

  • Evidence from Tropical Raindrop Spectra of the Origin of Rain from Stratiform versus Convective Clouds

    Ali Tokay;David A. Short

  • Evaluation of the New Version of the Laser-Optical Disdrometer, OTT Parsivel2

    Ali Tokay;David B. Wolff;Walter A. Petersen

  • PARSIVEL Snow Observations: A Critical Assessment

    Alessandro Battaglia;Elke Rustemeier;Ali Tokay;Ulrich Blahak

  • Comparison of Raindrop Size Distribution Measurements by Collocated Disdrometers

    Ali Tokay;Walter A. Petersen;Patrick Gatlin;Matthew Wingo

  • Comparison of Drop Size Distribution Measurements by Impact and Optical Disdrometers

    Ali Tokay;Anton Kruger;Witold F. Krajewski

  • An Explanation for the Existence of Supercooled Water at the Top of Cold Clouds

    Robert M. Rauber;Ali Tokay

  • X-Band Polarimetric Radar Measurements of Rainfall

    Sergey Y. Matrosov;Kurt A. Clark;Brooks E. Martner;Ali Tokay

  • Ground Validation for the Tropical Rainfall Measuring Mission (TRMM)

    David B. Wolff;D. A. Marks;D. A. Marks;E. Amitai;E. Amitai;D. S. Silberstein;D. S. Silberstein

  • The Midlatitude Continental Convective Clouds Experiment (MC3E)

    M. P. Jensen;W. A. Petersen;Aaron R. Bansemer;N. Bharadwaj

  • Tropical rainfall associated with convective and stratiform clouds : Intercomparison of disdrometer and profiler measurements

    Ali Tokay;David A. Short;Christopher R. Williams;Warner L. Ecklund

  • Raindrop Size Distribution Measurements in Tropical Cyclones

    Ali Tokay;Paul G. Bashor;Emad Habib;Takis Kasparis

  • A Novel Approach to Identify Sources of Errors in IMERG for GPM Ground Validation

    Jackson Tan;Walter A. Petersen;Ali Tokay

  • THE CHUVA PROJECT How Does Convection Vary across Brazil

    Luiz A. T. Machado;Maria A. F. Silva Dias;Carlos Morales;Gilberto Fisch

  • Describing the Shape of Raindrop Size Distributions Using Uncorrelated Raindrop Mass Spectrum Parameters

    Christopher R. Williams;V. N. Bringi;Lawrence D. Carey;V. Chandrasekar

  • Global Precipitation Measurement Cold Season Precipitation Experiment (GCPEx): For Measurement Sake Let it Snow

    Gail Skofronick-Jackson;David Hudak;Walter Petersen;Stephen W. Nesbitt

  • Uncertainties of GPM DPR Rain Estimates Caused by DSD Parameterizations

    Liang Liao;Robert Meneghini;Ali Tokay

  • Error Characteristics of Rainfall Measurements by Collocated Joss–Waldvogel Disdrometers

    Ali Tokay;Paul G. Bashor;Katherine R. Wolff

  • Drop size distribution comparisons between Parsivel and 2-D video disdrometers

    M. Thurai;W. A. Petersen;A. Tokay;C. Schultz

  • WRF Simulations of the 20-22 January 2007 Snow Events over Eastern Canada: Comparison with In-Situ and Satellite Observations

    J. J. Shi;J. J. Shi;W.-K. Tao;T. Matsui;T. Matsui;R. Cifelli

  • Evaluation of GPM IMERG Performance Using Gauge Data over Indonesian Maritime Continent at Different Time Scales

    Unknown

  • Synoptic and mesoscale structure of a severe freezing rain event: the St. Valentine's day ice storm

    Robert M. Rauber;Mohan K. Ramamurthy;Ali Tokay

Frequent Co-Authors

Robert Meneghini
Robert Meneghini Goddard Space Flight Center
Christopher R. Williams
Christopher R. Williams University of Colorado Boulder
Lawrence D. Carey
Lawrence D. Carey University of Alabama in Huntsville
V. N. Bringi
V. N. Bringi Colorado State University
Toshihisa Matsui
Toshihisa Matsui Goddard Space Flight Center
Kenneth S. Gage
Kenneth S. Gage University of Colorado Boulder
V. Chandrasekar
V. Chandrasekar Colorado State University
Witold F. Krajewski
Witold F. Krajewski University of Iowa
Pavlos Kollias
Pavlos Kollias Stony Brook University
Robert Cifelli
Robert Cifelli National Oceanic and Atmospheric Administration

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