World's Best Scientists 2026 revealed!
Nikolai Østgaard

Nikolai Østgaard

D-Index & Metrics

Environmental Sciences

D-Index
45
Citations
6114
World Ranking
6539
National Ranking
78

Nikolai Østgaard 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 Nikolai Østgaard 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: 368 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Nikolai Østgaard 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 Nikolai Østgaard 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: 45 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Overview

Nikolai Østgaard is affiliated with the University of Bergen in Norway. Their research primarily focuses on fields related to physics and astronomy, with significant contributions in subfields including astronomy and astrophysics, materials chemistry, atmospheric science, electrical and electronic engineering, and global and planetary change.

The scientist's work covers multiple specialized topics, such as:

  • Lightning and electromagnetic phenomena
  • Ionosphere and magnetosphere dynamics
  • High voltage insulation and dielectric phenomena
  • Solar and space plasma dynamics
  • Earthquake detection and analysis
  • Atmospheric aerosols and clouds
  • Geomagnetism and paleomagnetism studies

Recent publications by Nikolai Østgaard include:

  • "Blue Optical Observations of Narrow Bipolar Events by ASIM Suggest Corona Streamer Activity in Thunderstorms," 2020, Journal of Geophysical Research Atmospheres
  • "Spectral Observations of Optical Emissions Associated With Terrestrial Gamma-Ray Flashes," 2020, Geophysical Research Letters
  • "Observation of the onset of a blue jet into the stratosphere," 2021, Nature
  • "Very-high-frequency oscillations in the main peak of a magnetar giant flare," 2021, Nature
  • "Optical emissions associated with narrow bipolar events from thunderstorm clouds penetrating into the stratosphere," 2021, Nature Communications

The scientist frequently collaborates with several co-authors, including:

  • Torsten Neubert
  • V. Reglero
  • Olivier Chanrion
  • Francisco J. Gordillo-Vázquez
  • M. Marisaldi

Nikolai Østgaard's publications are commonly found in specific scientific journals and venues such as:

  • Journal of Geophysical Research Atmospheres
  • Zenodo (CERN European Organization for Nuclear Research)
  • Geophysical Research Letters
  • Nature
  • Journal of Geophysical Research Space Physics

Best Publications

  • Overview of Solar Wind–Magnetosphere–Ionosphere–Atmosphere Coupling and the Generation of Magnetospheric Currents

    Stephen Eric Milan;Stephen Eric Milan;Lasse Boy Novock Clausen;John Charles Coxon;Jenny A. Carter

  • X-rays from solar system objects

    Anil Bhardwaj;Ronald F. Elsner;G. Randall Gladstone;Thomas E. Cravens

  • Production altitude and time delays of the terrestrial gamma flashes: Revisiting the Burst and Transient Source Experiment spectra

    Nikolai Østgaard;Thomas Gjesteland;J. Stadsnes;P. H. Connell

  • FAST and IMAGE-FUV observations of a substorm onset

    S. B. Mende;C. W. Carlson;H. U. Frey;L. M. Peticolas

  • Asymmetric auroral intensities in the Earth’s Northern and Southern hemispheres

    K. M. Laundal;N. Østgaard

  • Energy analysis of substorms based on remote sensing techniques, solar wind measurements, and geomagnetic indices

    N. Østgaard;N. Østgaard;J. Stadsnes;R. R. Vondrak

  • Neutral hydrogen density profiles derived from geocoronal imaging

    N. Østgaard;S. B. Mende;H. U. Frey;G. R. Gladstone

  • How the IMF B-y induces a B-y component in the closed magnetosphere and how it leads to asymmetric currents and convection patterns in the two hemispheres

    Paul Tenfjord;Nikolai Østgaard;Kristian Snekvik;Karl Magnus Laundal

  • Interplanetary magnetic field control of the location of substorm onset and auroral features in the conjugate hemispheres

    N. Østgaard;S. B. Mende;H. U. Frey;T. J. Immel

  • Small and meso-scale properties of a substorm onset auroral arc

    H. U. Frey;O. Amm;C. C. Chaston;S. Fu

  • A terrestrial gamma-ray flash and ionospheric ultraviolet emissions powered by lightning

    Torsten Neubert;Nikolai Østgaard;Victor Reglero;Olivier Chanrion

  • Defining and resolving current systems in geospace

    N. Y. Ganushkina;N. Y. Ganushkina;M. W. Liemohn;S. Dubyagin;I. A. Daglis

  • Simultaneous observations of earthward flow bursts and plasmoid ejection during magnetospheric substorms

    J. A. Slavin;D. H. Fairfield;R. P. Lepping;M. Hesse

  • Earthward plasma sheet flows during substorm phases

    L. Juusola;L. Juusola;N. Østgaard;E. Tanskanen;E. Tanskanen;N. Partamies

  • Effects of dead time losses on terrestrial gamma ray flash measurements with the Burst and Transient Source Experiment

    Thomas Gjesteland;Nikolai Østgaard;P. H. Connell;J. Stadsnes

  • First 10 Months of TGF Observations by ASIM

    N. Østgaard;Torsten Neubert;V. Reglero;K. Ullaland

  • A relation between the energy deposition by electron precipitation and geomagnetic indices during substorms

    N. Østgaard;N. Østgaard;R. R. Vondrak;J. W. Gjerloev

  • Observations of non‐conjugate theta aurora

    N. Østgaard;S. B. Mende;H. U. Frey;L. A. Frank

  • Observations and model predictions of substorm auroral asymmetries in the conjugate hemispheres

    N. Østgaard;N. A. Tsyganenko;S. B. Mende;H. U. Frey

  • Simultaneous observations of optical lightning and terrestrial gamma ray flash from space

    N. Østgaard;T. Gjesteland;B. E. Carlson;B. E. Carlson;A. B. Collier

  • How the IMF $\mathit{B}_{y}$ induces a $\mathit{B}_{y}$ component in the closed magnetosphere and how it leads to asymmetric currents and convection patterns in the two hemispheres

    P. Tenfjord;N. Østgaard;K. Snekvik;K.M. Laundal

Frequent Co-Authors

Stein Haaland
Stein Haaland University of Bergen
Kjellmar Oksavik
Kjellmar Oksavik University of Bergen
Harald U. Frey
Harald U. Frey University of California, Berkeley
Steve E. Milan
Steve E. Milan University of Leicester
S. B. Mende
S. B. Mende University of California, Berkeley
Kjetil Ullaland
Kjetil Ullaland University of Bergen
Steven A. Cummer
Steven A. Cummer Duke University
Marco Tavani
Marco Tavani National Institute for Astrophysics
Jesper Gjerloev
Jesper Gjerloev Johns Hopkins University Applied Physics Laboratory
Hugh J. Christian
Hugh J. Christian University of Alabama in Huntsville

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in Environmental Sciences, exploring related online degrees can broaden career opportunities. A strong understanding of public policy and management is essential, making programs like top online mpa programs a valuable choice. These programs prepare graduates for leadership roles in environmental policy, sustainability, and public administration.

Social dynamics also play a critical role in environmental issues. Pursuing a sociology bachelor degree online offers insights into human behavior and social systems, which can enhance the effectiveness of environmental initiatives.

For advanced professionals, earning a doctorate can open doors to research and academic careers. Many candidates benefit from flexible options like a doctorate degree online no dissertation, which reduce barriers while providing rigorous training in educational leadership and policy.

Additionally, educators in the environmental field may explore seamless progression through education-focused programs via an online eds to edd bridge program. This pathway supports continual professional growth without interrupting careers.

Best Scientists Citing Nikolai Østgaard

Trending Scientists

Recently Published Articles