World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
86
Citations
22029
World Ranking
724
National Ranking
315

Nickolay A. Krotkov 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 Nickolay A. Krotkov 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: 388 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.

Nickolay A. Krotkov 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 Nickolay A. Krotkov 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: 86 D-Index — 93rd percentile

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

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

Overview

Nickolay A. Krotkov is affiliated with the Goddard Space Flight Center in the United States. Their research primarily centers on atmospheric sciences, environmental science, and the dynamics of gases in the Earth's atmosphere.

The scientist has contributed extensively within the fields of Earth and Planetary Sciences and Environmental Science, with a focus on subfields such as Atmospheric Science, Global and Planetary Change, Health, Toxicology and Mutagenesis, Environmental Engineering, and Oceanography.

Krotkov's work addresses several main topics including atmospheric chemistry and aerosols, atmospheric ozone and climate, atmospheric and environmental gas dynamics, atmospheric aerosols and clouds, air quality and health impacts, the impact of COVID-19 on air quality, and air quality monitoring and forecasting.

Frequent co-authors collaborating with Krotkov include:

  • Joanna Joiner
  • Can Li
  • Lok N. Lamsal
  • C. A. McLinden
  • A. P. Vasilkov

Notable publication venues where their research appears frequently are:

  • Atmospheric Measurement Techniques
  • Atmospheric Chemistry and Physics
  • Remote Sensing of Environment
  • Frontiers in Remote Sensing
  • Remote Sensing

Recent significant papers authored or co-authored by Krotkov include:

  • "Abrupt decline in tropospheric nitrogen dioxide over China after the outbreak of COVID-19," 2020, Science Advances
  • "Global fine-scale changes in ambient NO2 during COVID-19 lockdowns," 2022, Nature
  • "Ozone Monitoring Instrument (OMI) Aura nitrogen dioxide standard product version 4.0 with improved surface and cloud treatments," 2021, Atmospheric Measurement Techniques
  • "Perturbations in stratospheric aerosol evolution due to the water-rich plume of the 2022 Hunga-Tonga eruption," 2022, Communications Earth & Environment
  • "Out of the blue: Volcanic SO2 emissions during the 2021-2022 eruptions of Hunga Tonga-Hunga Ha'apai (Tonga)," 2022, Frontiers in Earth Science

Best Publications

  • Aura OMI observations of regional SO2 and NO2 pollution changes from 2005 to 2015

    Nickolay A. Krotkov;Chris A. McLinden;Can Li;Lok N. Lamsal

  • Tropospheric emissions: Monitoring of pollution (TEMPO)

    P. Zoogman;X. Liu;R.M. Suleiman;W.F. Pennington

  • Emissions estimation from satellite retrievals: A review of current capability

    David G. Streets;Timothy Canty;Gregory R. Carmichael;Benjamin de Foy

  • A decade of global volcanic SO 2 emissions measured from space.

    S. A. Carn;V. E. Fioletov;C. A. McLinden;C. Li

  • The Ozone Monitoring Instrument: overview of 14 years in space

    Pieternel F. Levelt;Joanna Joiner;Johanna Tamminen;J. Pepijn Veefkind

  • India Is Overtaking China as the World's Largest Emitter of Anthropogenic Sulfur Dioxide.

    Can Li;Can Li;Chris McLinden;Vitali Fioletov;Nickolay Krotkov

  • High resolution mapping of nitrogen dioxide with TROPOMI: First results and validation over the Canadian oil sands.

    Debora Griffin;Xiaoyi Zhao;Chris A. McLinden;Folkert Boersma;Folkert Boersma

  • Band residual difference algorithm for retrieval of SO/sub 2/ from the aura ozone monitoring instrument (OMI)

    N.A. Krotkov;S.A. Carn;A.J. Krueger;P.K. Bhartia

  • Global fine-scale changes in ambient NO2 during COVID-19 lockdowns

    Unknown

  • A new stratospheric and tropospheric NO2 retrieval algorithm for nadir-viewing satellite instruments : applications to OMI

    E. J. Bucsela;N. A. Krotkov;E. A. Celarier;E. A. Celarier;L. N. Lamsal;L. N. Lamsal

  • Distribution of UV radiation at the Earth's surface from TOMS-measured UV-backscattered radiances

    J. R. Herman;N. Krotkov;E. Celarier;D. Larko

  • SO2 emissions and lifetimes: Estimates from inverse modeling using in situ and global, space-based (SCIAMACHY and OMI) observations

    Chulkyu Lee;Chulkyu Lee;Randall V. Martin;Randall V. Martin;Aaron van Donkelaar;Hanlim Lee

  • Volcanic sulfur dioxide measurements from the total ozone mapping spectrometer instruments

    A. J. Krueger;L. S. Walter;P. K. Bhartia;C. C. Schnetzler

  • U.S. NO2 trends (2005–2013): EPA Air Quality System (AQS) data versus improved observations from the Ozone Monitoring Instrument (OMI)

    Lok N. Lamsal;Lok N. Lamsal;Bryan N. Duncan;Yasuko Yoshida;Nickolay A. Krotkov

  • Abrupt decline in tropospheric nitrogen dioxide over China after the outbreak of COVID-19.

    Fei Liu;Fei Liu;Aaron Page;Sarah A. Strode;Sarah A. Strode;Yasuko Yoshida

  • Satellite estimation of spectral surface UV irradiance in the presence of tropospheric aerosols. 1. Cloud-free case

    N. A. Krotkov;P. K. Bhartia;J. R. Herman;V. Fioletov

  • Satellite Data of Atmospheric Pollution for U.S. Air Quality Applications: Examples of Applications, Summary of Data End-User Resources, Answers to FAQs, and Common Mistakes to Avoid

    Bryan Neal Duncan;Ana Prados;Ana Prados;Lok N. Lamsal;Lok N. Lamsal;Yang Liu

  • A global catalogue of large SO 2 sources and emissions derived from theOzone Monitoring Instrument

    Vitali E. Fioletov;Chris A. McLinden;Nickolay Krotkov;Can Li;Can Li

  • Retrieval of large volcanic SO2 columns from the Aura Ozone Monitoring Instrument: Comparison and limitations

    Kai Yang;Nickolay A. Krotkov;Arlin J. Krueger;Simon A. Carn

  • The version 3 OMI NO 2 standard product

    Nickolay A. Krotkov;Lok N. Lamsal;Lok N. Lamsal;Edward A. Celarier;Edward A. Celarier;William H. Swartz;William H. Swartz

  • What would have happened to the ozone layer if chlorofluorocarbons (CFCs) had not been regulated

    Paul A. Newman;L. D. Oman;A. R. Douglass;E. L. Fleming

  • Structural uncertainty in air mass factor calculation for NO2 and HCHO satellite retrievals

    Alba Lorente;K. Folkert Boersma;K. Folkert Boersma;Huan Yu;Steffen Dörner

Frequent Co-Authors

Can Li
Can Li Goddard Space Flight Center
Lok N. Lamsal
Lok N. Lamsal Goddard Space Flight Center
Simon Carn
Simon Carn Michigan Technological University
Kai Yang
Kai Yang University of Maryland, College Park
Jay R. Herman
Jay R. Herman University of Maryland, Baltimore County
Arlin J. Krueger
Arlin J. Krueger Goddard Space Flight Center
Vitali E. Fioletov
Vitali E. Fioletov Environment and Climate Change Canada
Chris A. McLinden
Chris A. McLinden Environment and Climate Change Canada
Joanna Joiner
Joanna Joiner Goddard Space Flight Center
Randall V. Martin
Randall V. Martin Washington University in St. Louis

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Related Online Degrees & Career Pathways

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Those seeking cost-effective education pathways may also explore a budget friendly online general studies degree. This flexible degree often serves as a stepping stone into specialized environmental fields by building strong interdisciplinary foundations.

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