World's Best Scientists 2026 revealed!

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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

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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