World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
45
Citations
6877
World Ranking
6477
National Ranking
2318

Malcolm K. W. Ko 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 Malcolm K. W. Ko 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 133 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Malcolm K. W. Ko 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 Malcolm K. W. Ko 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

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 126 D-Index or more.

Overview

Malcolm K. W. Ko is a researcher affiliated with Langley Research Center in the United States. Their work primarily spans the fields of Earth and Planetary Sciences, with a specific focus on Atmospheric Science and Oceanography.

The main topics covered in Ko's research include:

  • Tropical and Extratropical Cyclones Research
  • Meteorological Phenomena and Simulations
  • Ocean Waves and Remote Sensing

Ko has contributed to the scientific literature with recent publications in 2025. Two notable papers include:

  • "High-fidelity simulation study of real typhoon event in Taiwan using WRF-LES coupled model" published in the Journal of Marine Science and Technology
  • "A Study of Free Amino Acids Analysis in the Atmosphere Using LC-HRMS" published in the Journal of Environmental Analysis Health and Toxicology

These papers reflect a combination of advanced atmospheric modeling and chemical analysis techniques applied to environmental phenomena.

Frequent collaborators in Ko's research activities include:

  • N. Lu
  • J. A. Jeon

Their publication record features contributions to journals such as:

  • Journal of Marine Science and Technology
  • Journal of Environmental Analysis Health and Toxicology

Best Publications

  • Interrelationships between mixing ratios of long‐lived stratospheric constituents

    R. Alan Plumb;Malcolm K. W. Ko

  • Sensitivity of Ozone to Bromine in the Lower Stratosphere

    R. J. Salawitch;D. K. Weisenstein;L. J. Kovalenko;C. E. Sioris

  • Role of heterogeneous conversion of N2O5 on sulphate aerosols in global ozone losses

    Jose M. Rodriguez;Malcolm K. W. Ko;Nien Dak Sze

  • A two‐dimensional model of sulfur species and aerosols

    Debra K. Weisenstein;Glenn K. Yue;Malcolm K. W. Ko;Nien-Dak Sze

  • Model calculations of the relative effects of CFCs and their replacements on global warming

    Donald A. Fisher;Charles H. Hales;Wei-Chyung Wang;Malcolm K. W. Ko

  • Neutral atmospheric influences of the solar proton events in October–November 2003

    Charles H. Jackman;Matthew T. DeLand;Gordon J. Labow;Eric L. Fleming

  • Are antarctic ozone variations a manifestation of dynamics or chemistry

    Ka-Kit Tung;Ka-Kit Tung;Malcolm K. W. Ko;José M. Rodriguez;Nien Dak Sze

  • Atmospheric sulfur hexafluoride: Sources, sinks and greenhouse warming

    Malcolm K. W. Ko;Nien Dak Sze;Wei-Chyung Wang;George Shia

  • Global simulation of atmospheric mercury concentrations and deposition fluxes

    Run-Lie Shia;Christian Seigneur;Prasad Pai;Malcolm Ko

  • Distribution of halon-1211 in the upper troposphere and lower stratosphere and the 1994 total bromine budget

    P. R. Wamsley;J. W. Elkins;D. W. Fahey;G. S. Dutton

  • Photochemistry of COS, CS2, CH3SCH3 and H2S: Implications for the atmospheric sulfur cycle

    Nien Dak Sze;Malcolm K.W. Ko

  • Measurements of nitric oxide and total reactive nitrogen in the Antarctic stratosphere: Observations and chemical implications

    D. W. Fahey;D. M. Murphy;K. K. Kelly;M. K. W. Ko

  • Model calculations of the relative effects of CFCs and their replacements on stratospheric ozone

    Donald A. Fisher;Charles H. Hales;David L. Filkin;Malcolm K. W. Ko

  • A zonal mean model of stratospheric tracer transport in isentropic coordinates: Numerical simulations for nitrous oxide and nitric acid

    Malcolm K. W. Ko;Ka Kit Tung;Debra K. Weisenstein;Nien Dak Sze

  • Potential accumulation of a CFC-replacement degradation product in seasonal wetlands

    T. K. Tromp;M. K. W. Ko;J. M. Rodriguez;N. D. Sze

  • Report on concentrations, lifetimes, and trends of CFCs, halons, and related species

    J.A. Kaye;S.A. Penkett;F.M. Ormond;P. Fraser

  • The influence of the several very large solar proton events in years 2000–2003 on the neutral middle atmosphere

    Charles H. Jackman;Matthew T. DeLand;Gordon J. Labow;Eric L. Fleming

  • CS2 and COS in the stratospheric sulphur budget

    Nien Dak Sze;Malcolm K. W. Ko

  • Ozone response to enhanced heterogeneous processing after the eruption of Mt. Pinatubo

    Jose M. Rodriguez;M. K. W. Ko;N. D. Sze;C. W. Heisey

  • Lifetimes of Stratospheric Ozone-Depleting Substances, Their Replacements, and Related Species

    P. A. Newman;M. K. Ko;S. Reimann;S. E. Strahan

  • Scientific Assessment of Ozone Depletion: 2018, Global Ozone Research and Monitoring Project-Report No. 58

    David Fahey;Paul A. Newman;John A. Pyle;Bonfils Safari

  • Neutral atmospheric influences of the solar proton events in October-November 2003 : Violent sun-earth connection events of october-November 2003

    Charles H. Jackman;Matthew T. Deland;Gordon J. Labow;Eric L. Fleming

Frequent Co-Authors

Nien Dak Sze
Nien Dak Sze Harvard University
Debra K. Weisenstein
Debra K. Weisenstein Harvard University
Kazuyuki Kita
Kazuyuki Kita Ibaraki University
Donald R. Blake
Donald R. Blake University of California, Irvine
Charles H. Jackman
Charles H. Jackman Goddard Space Flight Center
Makoto Koike
Makoto Koike University of Tokyo
David W. Fahey
David W. Fahey National Oceanic and Atmospheric Administration
Yuzo Miyazaki
Yuzo Miyazaki Hokkaido University
Yutaka Kondo
Yutaka Kondo National Institute of Polar Research
Nobuyuki Takegawa
Nobuyuki Takegawa Tokyo Metropolitan University

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