Osmund Holm-Hansen | Academic Influence

Osmund Holm-Hansen's AcademicInfluence.com Rankings

Osmund Holm-Hansen

Biology

#6053

World Rank

#8683

Historical Rank

#2001

USA Rank

Marine Biology

#68

World Rank

#77

Historical Rank

#25

USA Rank

Ecology

#358

World Rank

#399

Historical Rank

#140

USA Rank

biology Degrees

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Biology

Osmund Holm-Hansen's Degrees

PhD Marine Biology University of California, San Diego
Masters Marine Biology University of California, San Diego
Bachelors Biology University of California, Berkeley

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Why Is Osmund Holm-Hansen Influential?

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According to Wikipedia, Osmund Holm-Hansen is a Norwegian-born American scientist, for whom Mount Holm-Hansen, in Antarctica is named. A plant physiologist by training, from 1962 Holm-Hansen was the head of polar research at the Scripps Institution of Oceanography.

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Osmund Holm-Hansen's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Fluorometric Determination of Chlorophyll (1965) (2397)
Chlorophyll a Determination: Improvements in Methodology (1978) (1053)
THE MEASUREMENT OF ADENOSINE TRIPHOSPHATE IN THE OCEAN AND ITS ECOLOGICAL SIGNIFICANCE1 (1966) (691)
Light limitation of phytoplankton biomass and macronutrient utilization in the Southern Ocean (1991) (391)
Observations of modeling of the Antartic phytoplankton crop in relation to mixing depth (1991) (345)
Impact of Natural Ultraviolet-Radiation on Rates of Photosynthesis and on Specific Marine-Phytoplankton Species (1992) (321)
Spatial and temporal distribution of phytoplankton and primary production in the western Bransfield Strait region (1991) (254)
Bio-optical properties of Antarctic Peninsula waters: differentiation from temperate ocean models (1991) (247)
Rate of release of extracellular amino acids and carbohydrates from the marine diatom Chaetoceros affinis (1989) (220)
Chemical composition of Skeletonema costatum (Grev.) Cleve And Pavlova (monochrysis) Lutheri (droop) green as a function of nitrate-, phosphate-, and iron-limited growth (1977) (212)
Photoacclimation of antarctic marine diatoms to solar ultraviolet radiation (1996) (211)
PHOTOINHIBITION OF PHOTOSYNTHESIS IN NATURAL WATERS* (1980) (204)
Phytoplankton standing crop, primary productivity, and near-surface nitrogenous nutrient fields in the Ross Sea, Antarctica (1983) (200)
Methodology and measurement of adenylate energy charge ratios in environmental samples (1978) (190)
Nitrogen fixation in the North Pacific Ocean (1974) (189)
DETERMINATION OF MICROBIAL BIOMASS IN OCEAN PROFILES1 (1969) (185)
ADENOSINE TRIPHOSPHATE CONTENT OF MARINE BACTERIA1 (1967) (176)
Factors Governing Pelagic Production in Polar Oceans (1984) (166)
Another look at the nitrite and chlorophyll maxima in the central North Pacific (1976) (164)
Ultraviolet Radiation and Its Effects on Organisms in Aquatic Environments (1993) (162)
Inorganic nitrogen metabolism by Antarctic phytoplankton with special reference to ammonium cycling (1986) (156)
ULTRAVIOLET RADIATION IN ANTARCTICA: INHIBITION OF PRIMARY PRODUCTION (1993) (156)
ATP levels in algal cells as influenced by environmental conditions (1970) (155)
Photoadaptation in Antarctic phytopfankton: variations in growth rate, chemical composition and P versus I curves (1986) (154)
PHYTOPLANKTON GROWTH AND COMPOSITION IN SHIPBOARD CULTURES SUPPLIED WITH NITRATE, AMMONIUM, OR UREA AS THE NITROGEN SOURCE1 (1971) (142)
THE USE OF A DEEP TANK IN PLANKTON ECOLOGY. I. STUDIES OF THE GROWTH AND COMPOSITION OF PHYTOPLANKTON CROPS AT LOW NUTRIENT LEVELS1 (1969) (138)
Physiology and chemical composition of nitrogen-fixing phytoplankton in the central North Pacific Ocean (1977) (135)
Natural iron enrichment around the Antarctic Peninsula in the Southern Ocean (2009) (131)
Release of photoassimilated carbon as dissolved organic matter by marine phytoplankton (1974) (128)
Microbial uptake of dissolved organic matter in Mcmurdo Sound, Antarctica (1981) (125)
A DETAILED ANALYSIS OF BIOLOGICALLY IMPORTANT SUBSTANCES IN A PROFILE OFF SOUTHERN CALIFORNIA (1966) (125)
Acclimatization of Antarctic natural phytoplankton assemblages when exposed to solar ultraviolet radiation (1995) (121)
Iron limitation across chlorophyll gradients in the southern Drake Passage: Phytoplankton responses to iron addition and photosynthetic indicators of iron stress (2007) (117)
Algae: Amounts of DNA and Organic Carbon in Single Cells (1969) (114)
Use of tritiated substrates in the study of heterotrophy in seawater (1973) (110)
Research on Antarctic Coastal Ecosystem Rates (RACER): an interdisciplinary field experiment (1991) (110)
Microbial autotrophic and heterotrophic eucaryotes in Antarctic waters : relationships between biomass and chlorophyll, adenosine triphosphate and particulate organic carbon (1990) (109)
Cobalt as an Essential Element for Blue‐Green Algae (1954) (108)
Microbial biomass and productivity in the western Bransfield Strait, Antarctica during the 1986–87 austral summer (1991) (107)
A STUDY OF THE DISTRIBUTION AND ACTIVITY OF MICROORGANISMS IN OCEAN WATER1 (1972) (106)
ENSO and variability of the Antarctic Peninsula pelagic marine ecosystem (2008) (106)
A method for recovering nanoplankton from filters for identification with the microscope: The filter‐transfer‐freeze (FTF) technique1 (1983) (105)
Effect of temperature on rate of photosynthesis in Antarctic phytoplankton (1982) (105)
Ecology, physiology, and biochemistry of blue-green algae. (1968) (102)
Factors controlling the development of phytoplankton blooms in the Antarctic ocean : a mathematical model (1991) (100)
FEEDING REQUIREMENTS OF KRILL IN RELATION TO FOOD SOURCES (1984) (93)
Deep chlorophyll-a maxima (DCMs) in Antarctic waters (2004) (92)
Amino acid uptake and respiration by marine heterotrophs (1976) (91)
Effect of iron on productivity and size distribution of Antarctic phytoplankton (1991) (88)
Deep chlorophyll a maxima (DCMs) in pelagic Antarctic waters. II. Relation to bathymetric features and dissolved iron concentrations (2005) (80)
Marine Phytoplankton and Productivity (1984) (79)
Trifluoroacetate in ocean waters. (2002) (74)
Improved methodology for ATP determination in marine environments (1976) (74)
Effects of luciferin concentration on the quantitative assay of ATP using crude luciferase preparations. (1976) (74)
Phytoplankton blooms in the vicinity of palmer station, Antarctica (1989) (72)
[8] Biomass and adenylate energy charge determination in microbial cell extracts and environmental samples (1978) (70)
Viability of Blue‐Green and Green Algae after Freezing (1963) (70)
Bacterioplankton viability in Antarctic waters as affected by solar ultraviolet radiation (1995) (66)
DETERMINATION OF PARTICULATE ORGANIC NITROGEN1 (1968) (64)
Distribution of phytoplankton and nutrients in relation to different water masses in the area around Elephant Island, Antarctica (1997) (63)
Comparison of chlorophyll far-red and rea fluorescence excitation spectra with photo-synthetic oxygen action spectra for photo-system II in algae (1988) (62)
Temporal and spatial distribution of chlorophyll- a in surface waters of the Scotia Sea as determined by both shipboard measurements and satellite data (2004) (62)
Control of phytoplankton biomass by dilution and mixed layer depth in the western Weddell-Scotia Confluence (2008) (61)
Occurrence and Metabolic Activity of Organisms Under the Ross Ice Shelf, Antarctica, at Station J9 (1979) (59)
Factors influencing the distribution, biomass, and productivity of phytoplankton in the Scotia Sea and adjoining waters (2004) (57)
A quantitative analysis of sources for summertime phytoplankton variability over 18 years in the South Shetland Islands (Antarctica) region (2009) (56)
Hydrographic control of the marine ecosystem in the South Shetland-Elephant Island and Bransfield Strait region (2010) (56)
Photoadaptation in marine phytoplankton : changes in spectral absorption and excitation of chlorophyll a fluorescence. (1984) (53)
Adenine nucleotide extraction from multicellular organisms and beach sand: ATP recovery, energy charge ratios and determination of carbon/ATP ratios (1978) (51)
Isolation and Culture of Terrestrial and Fresh-water Algae of Antarctica (1964) (49)
Spatial and temporal variability of phytoplankton biomass and taxonomic composition around Elephant Island, Antarctica, during the summers of 1990–1993 (1995) (49)
The quantitative analysis of nanoplankton: a study of methods (1984) (47)
Potential sources of error in the measurement of low rates of planktonic photosynthesis and excretion. (1972) (47)
Reliability of estimating chlorophyll a concentrations in Antarctic waters by measurement of in situ chlorophyll a fluorescence (2000) (45)
Impacts of Solar UVR on Aquatic Microorganisms * (1997) (45)
Adaptation of Synechococcus in situ determined by variability in intracellular phycoerythrin-543 at a coastal station off the Southern California coast, USA (1990) (44)
Impact of a deep ozone hole on Southern Ocean primary production (2003) (42)
Relationship between action spectra for chlorophyll a fluorescence and photosynthetic O2 evolution in algae (1986) (41)
Nitrogen assimilation by phytoplankton in the Scotia Sea (1983) (41)
Nitrogen metabolism by heterotrophic bacterial assemblages in Antarctic coastal waters (1994) (40)
Effects of Mineral Salts on Short-term Incorporation of Carbon Dioxide inChlorella (1958) (40)
In situ evidence for a nutrient limitation of phytoplankton growth in pelagic Antarctic waters (1994) (39)
Effects of Ultraviolet Radiation on Antarctic Marine Phytoplankton Photosynthesis With Particular Attention to the Influence Of Mixing (2013) (35)
Variability of phytoplankton distribution and primary production around Elephant Island, Antarctica, during 1990–1993 (1995) (35)
A tracer study with O18 in photosynthesis by activation analysis. (1957) (34)
Formation of Radioactive Citrulline During Photosynthetic C14O2-Fixation by Blue-Green Algae (1956) (34)
EFFICIENCY OF THE REVERSE‐FLOW FILTER TECHNIQUE FOR CONCENTRATION OF PARTICULATE MATTER1 (1970) (32)
Response of Chlorella to a deuterium environment. (1958) (32)
Short‐ and Long‐Term Effects of UVA and UVB on Marine Phytoplankton Productivity (1997) (31)
Nonphotosynthetic fixation of carbon dioxide by three microorganisms. (1959) (31)
The Relationship Between the Metabolic Pools of Photosynthetic and Respiratory Intermediates (1958) (31)
Notes on the occurrence of living microscopic organisms in deep water (1968) (31)
Glycine and Serine Production in Marine Plants as a Measure of Photorespiration (1976) (29)
Difficulties with ATP measurements in inshore waters1 (1976) (29)
Algae: Nitrogen Fixation by Antarctic Species (1963) (29)
High-affinity uptake of an ammonium analogue by two marine microflagellates from the oligotrophic Pacific (1983) (28)
Effects of Dissolved and Complexed Copper on Heterotrophic Bacterial Production in San Diego Bay (2005) (28)
Polyethylene bags and solar ultraviolet radiation. (1993) (28)
Effects of UV radiation on post-bloom phytoplankton populations in Kvalsund, North Norway (1996) (27)
Nitrogen fixation on a coral reef (1975) (26)
Dissolved nutrient balance and net ecosystem metabolism in a Mediterranean-climate coastal lagoon: San Diego Bay (2008) (26)
Phytoplankton around Elephant Island, Antarctica (1993) (26)
Influence of atmospheric teleconnections and Upper Circumpolar Deep Water on phytoplankton biomass around Elephant Island, Antarctica (2009) (25)
Respiratory electron transport activity and adenosine triphosphate in the oxygen minimum of the eastern tropical North Pacific (1976) (23)
Occurrence of α, ε-Diaminopimelic Acid in Algae and Flexibacteria (1966) (21)
ORNITHINE CYCLE ENZYMES IN THE BLUE-GREEN ALGA NOSTOC MUSCORUM (1963) (21)
Optimal multiparameter analysis of source water distributions in the Southern Drake Passage (2013) (21)
The Response of Antarctic Phytoplankton to Ultraviolet Radiation: Absorption, Photosynthesis, and Taxonomic Composition (2013) (19)
Phytoplankton distribution and abundance as related to a frontal system north of Elephant Island, Antarctica (1993) (19)
VIABILITY OF LYOPHILIZED ALGAE (1964) (19)
A ciliate red tide at Barrow, Alaska (1970) (19)
Effects of high latitude UV radiation on phytoplankton and nekton modelled from field measurements by simple algorithms (2000) (18)
Quantitative micro-determination of lipid carbon in microorganisms. (1967) (18)
Uptake and Distribution of Radioactive Carbon from Labelled Substrates by Various Cellular Components of Spinaeb Leaves (1959) (18)
BIOTIN LIBERATION BY THE LICHEN ALGA COCCOMYXA SP. AND BY CHLORELLA PYRENOIDOSA (1964) (16)
Factors affecting the viability of lyophilized algae. (1967) (15)
Variability in nutrient concentrations around Elephant Island, Antarctica, during 1991-1993 (1995) (14)
The Incorporation of 14C from Sodium Acetate-2-14C into the Amino Acids of the Soil-Inhabiting Nematode, caenorhabditis briggsae (1960) (12)
An Obligately Autotrophic Mutant of Chlamydomonas dysosmos i a Biochemical Elucidation (1972) (11)
Weddell-Scotia Confluence Effect on the Iron Distribution in Waters Surrounding the South Shetland (Antarctic Peninsula) and South Orkney (Scotia Sea) Islands During the Austral Summer in 2007 and 2008 (2019) (11)
Organic carbon in the Caura River , Venezuela (10)
Development of Moored Oceanographic Spectroradiometer (1987) (10)
Effect of Varying Residual Moisture Content on the Viability of Lyophilized Algae (1963) (9)
Bound Ornithine in Certain Flexibacteria and Algae (1965) (8)
Microbial biogeography during austral summer 2007 in the surface waters around the South Shetland Islands, Antarctica (2013) (7)
Effects of solar ultraviolet radiation on antarctic phytoplankton during springtime ozone depletion (1994) (5)
Effects of Ultraviolet Radiation on Marine Phytoplankton (1992) (5)
Effect of solar UV radiation on photosynthetic rates of Antarctic marine phytoplankton (1990) (5)
Applications of adenine nucleotide measurements in oceanography (1975) (5)
Temporal changes in marine environments in the Antarctic Peninsula area during the 1994/1995 austral summer (1998) (5)
EFFECT OF DEUTERIUM OXIDE (HEAVY WATER) ON BIOLOGICAL SYSTEMS (1958) (4)
Primary Production in the Southern California Bight (2013) (4)
In situ inhibition of primary production due to ultraviolet radiation in Antarctica (1994) (3)
ECOLOGY, PHYSIOLOGY, AND BIOCHEMISTRY 1502 (1968) (2)
Invited Review Impacts of Solar UVR on Aquatic Microorganisms (1997) (2)
Polar Marine Phytoplankton (2003) (1)
The Nonphotosynthetic Fixation of Carbon Dioxide by Three Micro-Organisms (1958) (1)
Phytoplankton Studies in the South Shetland Islands (2012) (1)
The Ecological Significance of Solar Uvr in the Polar Regions. (1997) (1)
in Algae and Flexibacteria (1965) (1)
A Tracer Study with Oxygen-18 in Photosynthesis by Activation Analysis (1957) (1)
Determining the Fate and Ecological Effects of Copper and Zinc Loading in Estuarine Environments: A Multi-Disciplinary Program (2005) (1)
Chlorophyll a Determination : Improvements in Methodology Author ( s ) : (2008) (1)
The effect of radiocarbon on the rate of carbon dioxide utilization during photosynthesis. (1958) (1)
NONPHOTOSYNTHETIC FIXATION OF CARBON DIOXIDE BY THREE MICROORGANISMS (1959) (1)
Marine phytoplankton and productivity : proceedings of the invited lectures to a symposium organized within the 5th conference of the European Society for Comparative Physiology and Biochemistry, Taormina, Sicily, Italy, September 5-8, 1983 (1984) (1)
Variability of Phytoplankton Distribution in Antarctic Waters (1997) (0)
Interdependency among Organisms: Symbiosis , vol. 1, Associations of Microorganis, Plants, and Marine Organisms . S. Mark Henry, Ed. Academic Press, New York, 1966. 496 pp., illus. $16.50. (1966) (0)
The Cyanophyta: The Biology of Blue-Green Algae . N. G. Carr and B. A. Whitton, Eds. University of California Press, Berkeley, 1973. x, 676 pp., illus. $32. Botanical Monographs, vol. 9. (1973) (0)
AMLR program: Ultraviolet and visible solar irradiance around Elephant Island, Antarctica, January to March 1993 (1993) (0)
Interdependency among Organisms (1966) (0)
Nitrogen fixation rate in the North Pacific Ocean (2013) (0)
Nitrogen fixation rate of phytoplankton in the central North Pacific Ocean (2013) (0)
Polyethylene Bags and Solar Ultraviolet Radiation (1993) (0)
Assessing the ecological impact of the Antarctic ozone hole using multisensor satellite data (2003) (0)
Effects of pollutants on natural marine phytoplankton: the Cepex experience (1977) (0)
The Calvin Lab (2000) (0)

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