David M. Karl

University of Hawaiʻi at Mānoa — United States

Earth and Planetary Sciences · Physical Sciences

127h-index64.5kcitations706works6.22yr avg
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Research Topics

Marine and coastal ecosystems(406), Microbial Community Ecology and Physiology(269), Marine Biology and Ecology Research(196), Isotope Analysis in Ecology(121), Methane Hydrates and Related Phenomena(74)

Publications706 total

The case for ocean iron fertilization field trials
Dialogues on climate change.·2026
Tightly coupled carbon, nitrogen, and iron utilization by bacteria in the lower photic zone of the North Pacific Subtropical Gyre
Limnology and Oceanography·2026Open Access
Long term decline of the planktonic biomass in a hotspot of nitrogen fixation
Nature Communications·2025Open Access
Biogeochemical anatomy and ecosystem dynamics of a large phytoplankton bloom north of the Hawaiian Islands
Progress In Oceanography·2025· 1 citedOpen Access
The cycling of glycine betaine and homarine in marine microbial communities: Quantitative flux measurements and the role of competitive uptake inhibition
Limnology and Oceanography Letters·2025Open Access
Transformations of particulate organic matter from the surface to the abyssal plain in the North Pacific as inferred from compound-specific stable isotope and microbial community analyses
Deep Sea Research Part I Oceanographic Research Papers·2025· 2 cited
2783P Comprehensive epigenomic profiling of plasma ctDNA enables drug target expression in SCLC
Annals of Oncology·2025
Nitrogen and phosphorus differentially control marine biomass production and stoichiometry
Nature Communications·2025· 5 citedOpen Access
Decadal change in deep-ocean dissolved oxygen in the North Atlantic Ocean and North Pacific Ocean
Deep Sea Research Part I Oceanographic Research Papers·2025Open Access
Anthropogenic iron alters the spring phytoplankton bloom in the North Pacific transition zone
Proceedings of the National Academy of Sciences·2025· 4 citedOpen Access
A multi-year, seasonally resolved dataset of Seaglider observations at Station ALOHA in the North Pacific Subtropical Gyre
Scientific Data·2025Open Access
Gross oxygen production and microbial community respiration in the oligotrophic ocean
Limnology and Oceanography·2025· 1 citedOpen Access
Kılauea Volcanic Ash Induced a Massive Phytoplankton Bloom in the Nutrient‐Poor North Pacific Subtropical Gyre
Journal of Geophysical Research Oceans·2025· 2 cited
Eddy dipole differentially influences particle‐associated and water column protistan community composition
Limnology and Oceanography·2025· 1 citedOpen Access
Transformations of Particulate Organic Matter from the Surface to the Abyssal Plain in the North Pacific as Inferred from Compound-Specific Stable Isotope and Microbial Community Analyses
SSRN Electronic Journal·2025Open Access
Latitudinal patterns in ocean C:N:P reflect phytoplankton acclimation and macromolecular composition
Proceedings of the National Academy of Sciences·2024· 14 citedOpen Access
A 7‐yr spatial time series resolves the island mass effect and associated shifts in picocyanobacteria abundances near O'ahu, Hawai'i
Limnology and Oceanography·2024· 4 citedOpen Access
Lipid biochemical diversity and dynamics reveal phytoplankton nutrient-stress responses and carbon export mechanisms in mesoscale eddies in the North Pacific Subtropical Gyre
Frontiers in Marine Science·2024· 4 citedOpen Access
Pelagic ecosystem research incubators (<scp>PERIcosms</scp>): optimized incubation tanks to investigate natural communities under long term, low nutrient, and low metal conditions
Limnology and Oceanography Methods·2024· 2 citedOpen Access
A tale of two nutrients: how nitrogen and phosphorus differentially control marine biomass production and stoichiometry
2024Open Access
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Frequent Co-authors

Ricardo M. Letelier(10), John E. Dore(8), Edward F. DeLong(7), Matthew J. Church(7), L. Tupas(5), Dale V. Hebel(5), Philip W. Boyd(4), Jonathan P. Zehr(4), Christopher D. Winn(4), Douglas G. Capone(3), John H. Martin(3), George A. Knauer(3), Eric A. Webb(3), Tracy J. Mincer(3), James R. Christian(3), Benjamin A. S. Van Mooy(3), Robert R. Bidigare(3), Karin M. Björkman(3), Anthony F. Michaels(2), John F. Heidelberg(2)