World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
36
Citations
5054
World Ranking
9140
National Ranking
129

Sigrun Jonasdottir 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 Sigrun Jonasdottir 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: 91 publications — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Sigrun Jonasdottir 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 Sigrun Jonasdottir 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: 36 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

Sigrun Jonasdottir is affiliated with the Technical University of Denmark in Denmark. Their research primarily focuses on Environmental Science and Earth and Planetary Sciences, with particular emphasis on Oceanography, Global and Planetary Change, Ecology, Pollution, and Health, Toxicology and Mutagenesis. They have contributed to scientific knowledge across these domains through multiple publications.

The scientist's recent papers include:

  • The global contribution of seasonally migrating copepods to the biological carbon pump, 2023, published in Limnology and Oceanography
  • Climate change and oil pollution: A dangerous cocktail for tropical zooplankton, 2020, published in Aquatic Toxicology
  • Seasonal strategies in the world's oceans, 2020, published in Progress In Oceanography
  • Meso- and bathypelagic fish feeding ecology: A meta-analysis on fatty acids and stable isotope trophic studies, 2023, published in Deep Sea Research Part I Oceanographic Research Papers
  • Seasonal variations in population dynamics of Calanus finmarchicus in relation to environmental conditions in the southwestern Norwegian Sea, 2021, published in Deep Sea Research Part I Oceanographic Research Papers

The topics frequently addressed by Jonasdottir's research include:

  • Marine and fisheries research
  • Isotope analysis in ecology
  • Marine and coastal ecosystems
  • Marine biology and ecology research
  • Marine bivalve and aquaculture studies
  • Microplastics and plastic pollution
  • Ocean acidification effects and responses

Jonasdottir has collaborated extensively with several coauthors, including:

  • Torkel Gissel Nielsen
  • Marja Koski
  • Delove Abraham Asiedu
  • Jens Søndergaard
  • Björn Alfthan

The scientist regularly publishes in a variety of academic venues. Frequent publication platforms include:

  • Zenodo (CERN European Organization for Nuclear Research)
  • SSRN Electronic Journal
  • Aquatic Toxicology
  • Deep Sea Research Part I Oceanographic Research Papers
  • Marine Ecology Progress Series

Best Publications

  • Fatty Acid Profiles and Production in Marine Phytoplankton

    Sigrún Huld Jónasdóttir

  • Seasonal copepod lipid pump promotes carbon sequestration in the deep North Atlantic

    Sigrún Huld Jónasdóttir;André W. Visser;Katherine Richardson;Michael R. Heath

  • The North Atlantic Ocean as habitat for Calanus finmarchicus: Environmental factors and life history traits

    Webjørn Melle;Jeffrey A. Runge;Erica Head;Stéphane Plourde

  • Copepod recruitment and food composition: do diatoms affect hatching success?

    S. H. Jónasdóttir;T. Kiørboe

  • Bridging the gap between marine biogeochemical and fisheries sciences; configuring the zooplankton link

    Aditee Mitra;Claudia Castellani;Wendy C. Gentleman;Sigrún H. Jónasdóttir

  • Effects of dietary fatty acids on the reproductive success of the calanoid copepod Temora longicornis

    K. E. Arendt;S. H. Jónasdóttir;P. J. Hansen;S. Gärtner

  • Effect of heterotrophic versus autotrophic food on feeding and reproduction of the calanoid copepod Acartia tonsa : relationship with prey fatty acid composition

    Elisabetta Broglio;Sigrún H. Jónasdóttir;Albert Calbet;Hans Henrik Jakobsen

  • The trophic role of mesozooplankton at 47°N, 20°W during the North Atlantic Bloom Experiment

    Hans G. Dam;Carolyn A. Miller;Sigrun H. Jonasdottir

  • Climate fluctuations and the spring invasion of the North Sea by Calanus finmarchicus

    Michael R. Heath;Jan O. Backhaus;Katherine Richardson;Eddie McKenzie

  • Copepod egg production in Long Island Sound, USA, as a function of the chemical composition of seston

    Sigrun Jonasdottir;D. Fields;S. Pantoja

  • Lipid content of Calanus finmarchicus during overwintering in the Faroe–Shetland Channel

    Sigrun Jonasdottir

  • Lipids, buoyancy and the seasonal vertical migration of Calanus finmarchicus

    A.W. Visser;S.H. Jónasdóttir

  • Comparative ecology of over-wintering Calanus finmarchicus in the northern North Atlantic, and implications for life-cycle patterns

    Michael R. Heath;Peter R. Boyle;Astthor Gislason;William S.C. Gurney

  • Role of diatoms in copepod production:good, harmless or toxic?

    SH Jónasdóttir;T. Kiørboe;KW Tang;M. StJohn

  • Perspectives on marine zooplankton lipids

    Gerhard Kattner;Willy Hagen;Richard F. Lee;Robert Campbell

  • Assessing the role of food quality in the production and hatching of Temora longicornis eggs

    Sigrún Huld Jónasdóttir;André W. Visser;Carsten Jespersen

  • Nutritional quality of two cyanobacteria : How rich is 'poor' food?

    K. Schmidt;Sigrun Jonasdottir

  • Calanoid copepods feed and produce eggs in the presence of toxic cyanobacteria Nodularia spumigena

    Jonna Engström-Öst;Markku Viitasalo;Sigrún Jónasdóttir;Sari Repka

  • Calanus finmarchicus egg production and food availability in the Faroe–Shetland Channel and northern North Sea: October–March

    K. Richardson;Sigrun Jonasdottir;S.J. Hay;Alice Christoffersen

  • Food web interactions in the plankton of Long Island bays, with preliminary observations on brown tide effects

    Lonsdale Dj;Cosper Em;Kim Ws;Doall M

  • Recruitment of lesser sandeel Ammodytes marinus in relation to density dependence and zooplankton composition

    M. van Deurs;R. van Hal;M.T. Tomczak;S.H. Jonasdottir

  • Egg production and hatching success in the calanoid copepods Calanus helgolandicus and Calanus finmarchicus in the North Sea from March to September 2001

    Sigrún H. Jónasdóttir;Nguyen Huu Trung;Frank Hansen;Sanne Gärtner

  • Distribution and abundance of overwintering Calanus finmarchicus in the Faroe-Shetland Channel

    M. Heath;Sigrun Jonasdottir

  • Effects of suspended sediments on copepods feeding in a glacial influenced sub-Arctic fjord

    Kristine Engel Arendt;Jörg Dutz;Sigrún Huld Jónasdóttir;Signe Jung-Madsen

  • Colloquium on diatom-copepod interactions

    G. A. Paffenhöfer;A. Ianora;A. Miralto;J. T. Turner

  • The effect of changes in temperature and food on the development of Calanus finmarchicus and Calanus helgolandicus populations

    Eva Friis Møller;Marie Maar;Sigrún H. Jónasdóttir;Torkel Gissel Nielsen

  • Diet composition and quality for Calanus finmarchicus egg production and hatching success off south-west Iceland

    Sigrun Jonasdottir;H.G. Gudfinnsson;A. Gislason;O.S. Astthorsson

Frequent Co-Authors

Michael R. Heath
Michael R. Heath University of Strathclyde
Torkel Gissel Nielsen
Torkel Gissel Nielsen Technical University of Denmark
Erica J. H. Head
Erica J. H. Head Bedford Institute of Oceanography
André W. Visser
André W. Visser Technical University of Denmark
Jeffrey A. Runge
Jeffrey A. Runge University of Maine
Barbara Niehoff
Barbara Niehoff Alfred Wegener Institute for Polar and Marine Research
Marja Koski
Marja Koski Technical University of Denmark
Katherine Richardson
Katherine Richardson University of Copenhagen
Pierre Pepin
Pierre Pepin Fisheries and Oceans Canada

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