World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
75
Citations
20651
World Ranking
1272
National Ranking
546

Biology and Biochemistry

D-Index
75
Citations
20658
World Ranking
5299
National Ranking
2517

Osmund Holm-Hansen 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 Osmund Holm-Hansen 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: 151 publications — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Osmund Holm-Hansen 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 Osmund Holm-Hansen 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: 75 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • Member of the Norwegian Academy of Science and Letters Biochemistry, Biophysics, and Molecular Biology
  • Member of the Norwegian Academy of Science and Letters Biochemistry, Biophysics, and Molecular Biology
  • Member of the Norwegian Academy of Science and Letters Biochemistry, Biophysics, and Molecular Biology
  • Member of the Norwegian Academy of Science and Letters Biochemistry, Biophysics, and Molecular Biology
  • Member of the Norwegian Academy of Science and Letters Biochemistry, Biophysics, and Molecular Biology

Overview

Osmund Holm-Hansen is affiliated with the University of California, San Diego in the United States. The scientist's research spans areas related to biochemistry, biophysics, and molecular biology, reflecting a multidisciplinary approach in these intersecting fields.

Holm-Hansen has been recognized as a member of the Norwegian Academy of Science and Letters, an honor linked to expertise in biochemistry, biophysics, and molecular biology. This membership indicates acknowledgment by a scholarly community specializing in natural sciences and medicine.

The scientist's work does not have recent papers or notable publications documented in the available data, nor are there records of frequent co-authors or primary publication venues. There is no information on specific research topics or main and subfields of study beyond the broad disciplinary categories mentioned.

Given the data available, the focus remains on Holm-Hansen's established affiliation and recognized standing within the scientific community, rather than detailed research outputs or collaborations. The scientist continues to contribute within the academic environment of the University of California, San Diego.

Best Publications

  • Fluorometric Determination of Chlorophyll

    Osmund Holm-Hansen;Carl J. Lorenzen;Robert W. Holmes;John D. H. Strickland

  • Chlorophyll a Determination: Improvements in Methodology

    Osmund Holm-Hansen;Bo Riemann

  • THE MEASUREMENT OF ADENOSINE TRIPHOSPHATE IN THE OCEAN AND ITS ECOLOGICAL SIGNIFICANCE1

    Osmund Holm-Hansen;Charles R. Booth

  • Effects of sea-ice extent and krill or salp dominance on the Antarctic food web

    V. Loeb;V. Siegel;O. Holm-Hansen;R. Hewitt

  • Light limitation of phytoplankton biomass and macronutrient utilization in the Southern Ocean

    B. Greg Mitchell;Eric A. Brody;Osmund Holm-Hansen;Charles McClain

  • Observations of modeling of the Antartic phytoplankton crop in relation to mixing depth

    B.Greg Mitchell;Osmund Holm-Hansen

  • Impact of Natural Ultraviolet-Radiation on Rates of Photosynthesis and on Specific Marine-Phytoplankton Species

    EW Helbling;V. Villafane;M. Ferrario;O. Holm-Hansen

  • Spatial and temporal distribution of phytoplankton and primary production in the western Bransfield Strait region

    Osmund Holm-Hansen;B. Greg Mitchell

  • Rate of release of extracellular amino acids and carbohydrates from the marine diatom Chaetoceros affinis

    Sverre Myklestad;Osmund Holm-Hansen;Kjell M. Vårum;Benjamin E. Volcani

  • Bio-optical properties of Antarctic Peninsula waters: differentiation from temperate ocean models

    B. Greg Mitchell;O. Holm-Hansen

  • Photoacclimation of antarctic marine diatoms to solar ultraviolet radiation

    E.Walter Helbling;Bruce E. Chalker;Walter C. Dunlap;Osmund Holm-Hansen

  • Nitrogen fixation in the North Pacific Ocean

    T. H. Mague;N. M. Weare;O. Holm-Hansen

  • DETERMINATION OF MICROBIAL BIOMASS IN OCEAN PROFILES1

    Osmund Holm-Hansen

  • Methodology and measurement of adenylate energy charge ratios in environmental samples

    D. M. Karl;D. M. Karl;O. Holm-Hansen

  • Phytoplankton standing crop, primary productivity, and near-surface nitrogenous nutrient fields in the Ross Sea, Antarctica

    Sayed Z. El-Sayed;Douglas C. Biggs;Osmund Holm-Hansen

  • ADENOSINE TRIPHOSPHATE CONTENT OF MARINE BACTERIA1

    Robert D. Hamilton;Osmund Holm-Hansen

  • Factors Governing Pelagic Production in Polar Oceans

    E. Sakshaug;O. Holm-Hansen

  • Effects of Ultraviolet Radiation on Antarctic Marine Phytoplankton Photosynthesis With Particular Attention to the Influence Of Mixing

    E. Walter Helbling;Virginia VillafañE;Osmund Holm‐Hansen

  • Another look at the nitrite and chlorophyll maxima in the central North Pacific

    D.A. Kiefer;R.J. Olson;O. Holm-Hansen

  • Effect of temperature on rate of photosynthesis in Antarctic phytoplankton

    A. Neori;O. Holm-Hansen

  • Chemical composition of Skeletonema costatum (Grev.) Cleve And Pavlova (monochrysis) Lutheri (droop) green as a function of nitrate-, phosphate-, and iron-limited growth

    Egil Sakshaug;O. Holm-Hansen

Frequent Co-Authors

Melvin Calvin
Melvin Calvin University of California, Berkeley
David M. Karl
David M. Karl University of Hawaii at Manoa
E. Walter Helbling
E. Walter Helbling National Scientific and Technical Research Council
B. Greg Mitchell
B. Greg Mitchell University of California, San Diego
Egil Sakshaug
Egil Sakshaug Norwegian University of Science and Technology
Mati Kahru
Mati Kahru University of California, San Diego
Farooq Azam
Farooq Azam University of California, San Diego
Virginia E. Villafañe
Virginia E. Villafañe National Scientific and Technical Research Council
Maria Vernet
Maria Vernet University of California, San Diego
So Kawaguchi
So Kawaguchi Australian Antarctic Division

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