World's Best Scientists 2026 revealed!
Annika Seppälä

Annika Seppälä

D-Index & Metrics

Environmental Sciences

D-Index
40
Citations
4819
World Ranking
8182
National Ranking
48

Annika Seppälä 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 Annika Seppälä 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: 109 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

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

Annika Seppälä 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 Annika Seppälä 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: 40 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Overview

Annika Seppälä is affiliated with the University of Otago in New Zealand. Their research spans the fields of Earth and Planetary Sciences as well as Physics and Astronomy, with a significant focus on Atmospheric Science and Astronomy and Astrophysics. Their work also intersects Global and Planetary Change and Geophysics.

The main topics of Seppälä's research include:

  • Atmospheric Ozone and Climate
  • Ionosphere and magnetosphere dynamics
  • Solar and Space Plasma Dynamics
  • Atmospheric chemistry and aerosols
  • Atmospheric and Environmental Gas Dynamics
  • Climate variability and models
  • Astro and Planetary Science

They have published extensively in venues such as:

  • Atmospheric chemistry and physics
  • Nature Communications
  • Progress in Earth and Planetary Science
  • Annales Geophysicae
  • Geoscientific model development

Some recent representative papers authored or co-authored by Seppälä include:

  • "Role Of the Sun and the Middle atmosphere/thermosphere/ionosphere In Climate (ROSMIC): a retrospective and prospective view" (2021), published in Progress in Earth and Planetary Science
  • "Predictability of variable solar-terrestrial coupling" (2021), published in Annales Geophysicae
  • "Potential drivers of the recent large Antarctic ozone holes" (2023), published in Nature Communications
  • "Evidence for energetic particle precipitation and quasi-biennial oscillation modulations of the Antarctic NO 2 springtime stratospheric column from OMI observations" (2020), published in Atmospheric chemistry and physics
  • "Ozone impact from solar energetic particles cools the polar stratosphere" (2022), published in Nature Communications

Frequent collaborators in their research include:

  • D. R. Marsh
  • Craig J. Rodger
  • B. Funke
  • Monika E. Szeląg
  • Pekka T. Verronen

Best Publications

  • Solar forcing for CMIP6 (v3.2)

    Katja Matthes;Katja Matthes;Bernd Funke;Monika E. Andersson;Luke Barnard

  • Impact of different energies of precipitating particles on NOx generation in the middle and upper atmosphere during geomagnetic storms

    Esa Turunen;Pekka T. Verronen;Annika Seppälä;Craig J. Rodger

  • Missing driver in the Sun–Earth connection from energetic electron precipitation impacts mesospheric ozone

    M. E. Andersson;P. T. Verronen;C. J. Rodger;M. A. Clilverd

  • Geomagnetic activity and polar surface air temperature variability

    A. Seppälä;A. Seppälä;C.E. Randall;Mark A. Clilverd;E. Rozanov

  • Diurnal variation of ozone depletion during the October-November 2003 solar proton events

    Pekka T. Verronen;Annika Seppälä;Mark A. Clilverd;Craig J. Rodger

  • Solar proton events of October–November 2003: Ozone depletion in the Northern Hemisphere polar winter as seen by GOMOS/Envisat

    A. Seppälä;P. T. Verronen;E. Kyrölä;S. Hassinen

  • Geomagnetic activity related NOx enhancements and polar surface air temperature variability in a chemistry climate model: modulation of the NAM index

    Andreas J. G. Baumgaertner;A. Seppälä;A. Seppälä;Patrick Jöckel;M. A. Clilverd

  • Remote sensing space weather events: Antarctic‐Arctic Radiation‐belt (Dynamic) Deposition‐VLF Atmospheric Research Konsortium network

    Mark A. Clilverd;Craig J. Rodger;Neil R. Thomson;James B. Brundell

  • Geomagnetic activity signatures in wintertime stratosphere wind, temperature, and wave response

    A. Seppälä;H. Lu;M. A. Clilverd;C. J. Rodger

  • Arctic and Antarctic polar winter NOx and energetic particle precipitation in 2002–2006

    Annika Seppälä;Pekka T. Verronen;Mark A. Clilverd;Cora E. Randall

  • Polar vortex evolution during the 2002 Antarctic major warming as observed by the Odin satellite

    Philippe Ricaud;Franck Lefèvre;Gwenaël Berthet;D. Murtagh

  • Observations of relativistic electron precipitation from the radiation belts driven by EMIC waves

    Craig J. Rodger;Tero Raita;Mark A. Clilverd;Annika Seppälä

  • Production of odd hydrogen in the mesosphere during the January 2005 solar proton event

    Pekka T. Verronen;Annika Seppälä;Erkki Kyrölä;Johanna Tamminen

  • A model providing long-term data sets of energetic electron precipitation during geomagnetic storms

    M. van de Kamp;Annika Seppala;Mark A. Clilverd;Craig J. Rodger

  • Radiation belt electron precipitation into the atmosphere: Recovery from a geomagnetic storm

    Craig J. Rodger;Mark A. Clilverd;Neil R. Thomson;Rory J. Gamble

  • Destruction of the tertiary ozone maximum during a solar proton event

    A. Seppälä;P. T. Verronen;V. F. Sofieva;J. Tamminen

  • What is the solar influence on climate? Overview of activities during CAWSES-II

    Annika Seppälä;Annika Seppälä;Katja Matthes;Cora E Randall;Irina A Mironova

  • Substorm‐induced energetic electron precipitation: Impact on atmospheric chemistry

    A. Seppälä;Mark A. Clilverd;Mathew James Beharrell;Craig J. Rodger

  • HEPPA-II model–measurement intercomparison project: EPP indirect effects during the dynamically perturbed NH winter 2008–2009

    Bernd Funke;William Ball;Stefan Bender;Angela Gardini

  • Nighttime ozone profiles in the stratosphere and mesosphere by the Global Ozone Monitoring by Occultation of Stars on Envisat

    E. Kyrölä;J. Tamminen;G. W. Leppelmeier;V. Sofieva

  • Polar Ozone Response to Energetic Particle Precipitation Over Decadal Time Scales: The Role of Medium-Energy Electrons

    M. E. Andersson;P. T. Verronen;D. R. Marsh;A. Seppälä;A. Seppälä

Frequent Co-Authors

Mark A. Clilverd
Mark A. Clilverd British Antarctic Survey
Pekka T. Verronen
Pekka T. Verronen Finnish Meteorological Institute
Craig J. Rodger
Craig J. Rodger University of Otago
Erkki Kyrölä
Erkki Kyrölä Finnish Meteorological Institute
Daniel R. Marsh
Daniel R. Marsh National Center for Atmospheric Research
Johanna Tamminen
Johanna Tamminen Finnish Meteorological Institute
Bernd Funke
Bernd Funke Spanish National Research Council
Neil R. Thomson
Neil R. Thomson University of Otago
Alain Hauchecorne
Alain Hauchecorne University of Paris-Saclay
Katja Matthes
Katja Matthes GEOMAR Helmholtz Centre for Ocean Research Kiel

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