World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
36
Citations
4429
World Ranking
9180
National Ranking
131

Sven Poul Nielsen 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 Sven Poul Nielsen 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: 185 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Sven Poul Nielsen 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 Sven Poul Nielsen 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: 36 D-Index — 7th percentile

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

The last bar groups every scientist with 126 D-Index or more.

Overview

Sven Poul Nielsen is affiliated with the Technical University of Denmark in Denmark and conducts research primarily in the field of Environmental Science. Their scholarly work focuses on topics including radioactive contamination and transfer, isotope analysis in ecology, nuclear physics and applications, methane hydrates and related phenomena, atmospheric and environmental gas dynamics, radioactivity and radon measurements, and broader nuclear and radioactivity studies.

The scientist has contributed to subfields such as Global and Planetary Change, Ecology, Radiation, Environmental Chemistry, and Radiological and Ultrasound Technology. The main venues for their publications include Environmental Science & Technology, Environmental Pollution, Journal of Environmental Radioactivity, SSRN Electronic Journal, and the Journal of Radioanalytical and Nuclear Chemistry.

The following are selected recent papers by Sven Poul Nielsen:

  • High-Resolution Tritium Profile in an Ice Core from Camp Century, Greenland (2021, Environmental Science & Technology)
  • Half-century trends of radioactivity in fish from Danish areas of the North Sea, Kattegat, and Baltic Sea (2024, Environmental Pollution)
  • A new certified reference material IAEA-465 for radionuclides in Baltic Sea sediment (2024, Journal of Environmental Radioactivity)
  • Half-Century Trends of Radioactivity in Fish from Danish Areas of the North Sea, Kattegat, and Baltic Sea (2024, SSRN Electronic Journal)
  • Characterisation of individual micron sized nuclear weapons fragments from the Thule area by rL-SNMS (2025, Journal of Radioanalytical and Nuclear Chemistry)

Frequent co-authors collaborating with the scientist include:

  • Jixin Qiao
  • Kasper Grann Andersson
  • William Colgan
  • Gunnar Jakobs
  • M.K. Pham

Best Publications

  • Tracking of Airborne Radionuclides from the Damaged Fukushima Dai-Ichi Nuclear Reactors by European Networks

    O. Masson;A. Baeza;J. Bieringer;K. Brudecki

  • Hazardous substances in the Baltic Sea: An integrated thematic assessment of hazardous substances in the Baltic Sea

    Samuli Korpinen;Maria Laamanen;Jesper H. Andersen;Lillemor Asplund

  • Iodine-129 and caesium-137 in Chernobyl contaminated soil and their chemical fractionation.

    X.L Hou;C.L Fogh;J Kucera;K.G Andersson

  • Speciation of 129I and 127I in seawater and implications for sources and transport pathways in the North Sea.

    Xiaolin Hou;Ala Aldahan;Sven P Nielsen;Göran Possnert

  • Radioactive contamination of the Techa River, the Urals.

    A. V. Trapeznikov;V. N. Pozolotina;M. Ya. Chebotina;V. N. Chukanov

  • Radioactive inventories from the Kyshtym and Karachay accidents: estimates based on soil samples collected in the South Urals (1990–1995)

    A. Aarkrog;H. Dahlgaard;S.P. Nielsen;A.V. Trapeznikov

  • The radiological exposure of man from radioactivity in the Baltic Sea

    S.P Nielsen;P Bengtson;R Bojanowsky;P Hagel

  • Time series of 129I and 127I speciation in precipitation from Denmark.

    Xiaolin Hou;Ala Aldahan;Sven P. Nielsen;Göran Possnert

  • Chemical speciation analysis of 129I in seawater and a preliminary investigation to use it as a tracer for geochemical cycle study of stable iodine

    Unknown

  • Iodine-129 Time Series in Danish, Norwegian and Northwest Greenland Coast and the Baltic Sea by Seaweed

    X.L. Hou;H. Dahlgaard;S.P. Nielsen

  • Chernobyl fallout in a Swedish spruce forest ecosystem

    E.J. McGee;H.J. Synnott;K.J. Johanson;B.H. Fawaris

  • Determination of plutonium in environmental samples by controlled valence in aniion exchange

    Qingjian Chen;A. Aarkrog;S. P. Nielsen;H. Dahlgaard

  • Level and origin of iodine-129 in the Baltic Sea.

    Xiaolin Hou;H. Dahlgaard;S.P. Nielsen;J. Kucera

  • Mercury in dated Greenland marine sediments

    Gert Asmund;Sven P. Nielsen

  • Origin of technetium-99 and its use as a marine tracer

    A. Aarkrog;L. Carlsson;Q. J. Chen;H. Dahlgaard

  • Root uptake of lead by Norway spruce grown on 210Pb spiked soils.

    M.F. Hovmand;Sven Poul Nielsen;I. Johnsen

  • Airborne concentrations and chemical considerations of radioactive ruthenium from an undeclared major nuclear release in 2017

    O. Masson;G. Steinhauser;D. Zok;O. Saunier

  • Certified reference material for radionuclides in fish flesh sample IAEA-414 (mixed fish from the Irish Sea and North Sea).

    M. K. Pham;J. A. Sanchez-Cabeza;P. P. Povinec;D. Arnold

  • 242Pu as tracer for simultaneous determination of 237Np and 239,240Pu in environmental samples

    Qingjiang Chen;H. Dahlgaard;S. P. Nielsen;A. Aarkrog

  • Iodine-129 in human thyroids and seaweed in China.

    Xiaolin Hou;H. Dahlgaard;S.P. Nielsen;Wenjun Ding

  • Deposition of 210Pb, 137Cs, 239+240Pu, 238Pu, and 241Am in the Antarctic Peninsula area

    P. Roos;E. Holm;R.B.R. Persson;A. Aarkrog

  • Evidence of 99Tc in Ural river sediments

    A. Aarkrog;Q.J. Chen;H. Dahlgaard;S.P. Nielsen

  • Estimation of health hazards resulting from a radiological terrorist attack in a city

    K. G. Andersson;T. Mikkelsen;P. Astrup;S. Thykier-Nielsen

Frequent Co-Authors

Yongqi Gao
Yongqi Gao Bjerknes Centre for Climate Research
Pavel P. Povinec
Pavel P. Povinec Comenius University
Fernando P. Carvalho
Fernando P. Carvalho Instituto Superior Técnico
Ola M. Johannessen
Ola M. Johannessen Nansen Scientific Society
Peter Steier
Peter Steier University of Vienna
Brenda J. Howard
Brenda J. Howard University of Nottingham
Weijian Zhou
Weijian Zhou Chinese Academy of Sciences
Ala Aldahan
Ala Aldahan United Arab Emirates University
Gert Asmund
Gert Asmund Aarhus University
Joan-Albert Sanchez-Cabeza
Joan-Albert Sanchez-Cabeza National Autonomous University of Mexico

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