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Environmental Sciences

D-Index
56
Citations
20727
World Ranking
3559
National Ranking
1356

Alfred T. C. Chang 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 Alfred T. C. Chang 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: 165 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Alfred T. C. Chang 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 Alfred T. C. Chang 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: 56 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Overview

Alfred T. C. Chang is affiliated with the Goddard Space Flight Center in the United States. This center is known for its involvement in space-related research and technological development, implying that their work likely intersects with aerospace science or related fields.

The available data does not list specific recent papers, frequent co-authors, publication venues, or book publications associated with Alfred T. C. Chang. Similarly, no detailed information is provided regarding main fields, subfields of study, or main topics of work. There are also no recorded awards or notable honors attributed to this scientist.

Despite the limited available data on publications and research topics, the connection to the Goddard Space Flight Center suggests a professional environment focusing on space science, technology, or related interdisciplinary research areas. This institution's role often spans satellite development, astrophysics, and Earth science, which may provide contextual insight into the probable scope of their professional activities.

Best Publications

  • The Version 2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979-Present)

    Robert F. Adler;George J. Huffman;Alfred Chang;Ralph Ferraro

  • The Global Precipitation Climatology Project (GPCP) combined precipitation dataset

    George J. Huffman;Robert F. Adler;Philip Arkin;Alfred Chang

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

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

  • Nimbus-7 SMMR Derived Global Snow Cover Parameters

    A.T.C. Chang;J.L. Foster;D.K. Hall

  • Effect of surface roughness on the microwave emission from soils

    B. J. Choudhury;T. J. Schmugge;A. Chang;R. W. Newton

  • A prototype AMSR-E global snow area and snow depth algorithm

    R.E. Kelly;A.T. Chang;Leung Tsang;J.L. Foster

  • A Satellite Technique for Quantitatively Mapping Rainfall Rates over the Oceans

    T. T. Wilheit;A. T. C. Chang;M. S. V. Rao;E. B. Rodgers

  • Quantifying the uncertainty in passive microwave snow water equivalent observations

    James L Foster;ChaoJiao Sun;ChaoJiao Sun;Jeffrey Walker;Richard J Kelly;Richard J Kelly

  • Retrieval of Monthly Rainfall Indices from Microwave Radiometric Measurements Using Probability Distribution Functions

    Thomas T. Wilheit;Alfred T. C. Chang;Long S. Chiu

  • Dense media radiative transfer theory based on quasicrystalline approximation with applications to passive microwave remote sensing of snow

    Leung Tsang;Chi-Te Chen;Alfred T. C. Chang;Jianjun Guo

  • Nimbus-7 SMMR Derived Global Snow Cover Parameters

    Unknown

  • Results of WetNet PIP-2 Project

    E. A. Smith;J. E. Lamm;R. Adler;J. Alishouse

  • Snow water equivalent estimation by microwave radiometry

    A.T.C. Chang;J.L. Foster;D.K. Hall;A. Rango

  • An algorithm for retrieval of ocean surface and atmospheric parameters from the observations of the scanning multichannel microwave radiometer

    Unknown

  • Nimbus-7 SMMR Derived Global Snow Cover Parameters

    Unknown

  • An overview of passive microwave snow research and results

    J. L. Foster;D. K. Hall;A. T. C. Chang;A. Rango

  • Algorithms for the retrieval of rainfall from passive microwave measurements

    T. Wilheit;R. F. Adler;S. Avery;E. Barrett

  • Inversion of snow parameters from passive microwave remote sensing measurements by a neural network trained with a multiple scattering model

    L. Tsang;Z. Chen;S. Oh;R.J. Marks

  • The Utilization of Spaceborne Microwave Radiometers for Monitoring Snowpack Properties

    A. Rango;A. T. C. Chang;J. L. Foster

  • Microwave Radiometric Observations Near 19.35, 92 and 183 GHz of Precipitation in Tropical Storm Cora

    T. T. Wilheit;A. T. C. Chang;J. L. King;E. B. Rodgers

  • Snow depths and grain-size relationships with relevance for passive microwave studies

    Richard L. Armstrong;Alfred Chang;Albert Rango;Edward Josberger

  • Remote sensing of atmospheric water vapor, liquid water, and wind speed at the ocean surface by passive microwave techniques from the Nimbus 5 satellite

    A. T. C. Chang;T. T. Wilheit

  • Effects of Forest on the Snow Parameters Derived from Microwave Measurements during the Boreas Winter Field Campaign

    A. T. C. Chang;J. L. Foster;D. K. Hall

Frequent Co-Authors

James L. Foster
James L. Foster Goddard Space Flight Center
Dorothy K. Hall
Dorothy K. Hall Goddard Space Flight Center
Leung Tsang
Leung Tsang University of Michigan–Ann Arbor
Albert Rango
Albert Rango United States Department of Agriculture
Per Gloersen
Per Gloersen Goddard Space Flight Center
Robert F. Adler
Robert F. Adler University of Maryland, College Park
Christian D. Kummerow
Christian D. Kummerow Colorado State University
Eric A. Smith
Eric A. Smith Florida State University
Ralph Ferraro
Ralph Ferraro University of Maryland, College Park
James R. Wang
James R. Wang Goddard Space Flight Center

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