World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
56
Citations
16474
World Ranking
2352
National Ranking
982

Overview

Ricardo M. Letelier is affiliated with Oregon State University in the United States and specializes in research primarily within Earth and Planetary Sciences and Environmental Science. Their work focuses on several interconnected topics including marine and coastal ecosystems, marine biology and ecology research, and microbial community ecology and physiology.

Letelier's research spans across subfields such as oceanography, atmospheric science, ecology, environmental chemistry, and global and planetary change. A significant portion of their work concentrates on the dynamics and processes occurring in marine environments, examining interactions between biological and physical factors.

Their recent publications include studies on seasonal and temporal variability in marine systems, as well as the ecological impacts of episodic natural events. Notable papers are:

  • Seasonal-to-decadal scale variability in primary production and particulate matter export at Station ALOHA (2021, Progress In Oceanography)
  • Satellite Detection of a Massive Phytoplankton Bloom Following the 2022 Submarine Eruption of the Hunga Tonga-Hunga Haʻapai Volcano (2022, Geophysical Research Letters)
  • Temporal dynamics of total microbial biomass and particulate detritus at Station ALOHA (2022, Progress In Oceanography)
  • The role of upwelling intermittence in the development of hypoxia and nitrogen loss over the Oregon shelf (2020, Journal of Marine Systems)
  • Effects of nutrient enrichments on oligotrophic phytoplankton communities: a mesocosm experiment near Hawai'i, USA (2021, Aquatic Microbial Ecology)

Letelier has collaborated repeatedly with several researchers across their studies. Frequent co-authors include:

  • David M. Karl
  • Angelicque White
  • Matthew J. Church
  • Karin M. Björkman
  • Benedetto Barone

Their publications often appear in scientific venues such as Progress In Oceanography, Geophysical Research Letters, Journal of Marine Systems, Aquatic Microbial Ecology, and Journal of Remote Sensing. These outlets highlight their focus on advancing knowledge in oceanographic and environmental sciences.

Main research topics covered by Letelier include:

  • Marine and coastal ecosystems
  • Marine biology and ecology research
  • Microbial community ecology and physiology
  • Oceanographic and atmospheric processes
  • Geology and paleoclimatology research
  • Methane hydrates and related phenomena
  • Atmospheric ozone and climate

Ricardo M. Letelier's research contributes to an understanding of marine ecosystem functions and their interactions with atmospheric and geological processes, providing insights into environmental variability across different temporal and spatial scales.

Best Publications

  • Climate-driven trends in contemporary ocean productivity

    Michael J. Behrenfeld;Robert T. O'Malley;David A. Siegel;Charles R. McClain

  • The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean

    D. Karl;R. Letelier;L. Tupas;J. Dore

  • Dinitrogen fixation in the world's oceans

    D. Karl;A. Michaels;B. Bergman;D.G. Capone

  • An overview of MODIS capabilities for ocean science observations

    W.E. Esaias;M.R. Abbott;I. Barton;O.B. Brown

  • Microbial oceanography of anoxic oxygen minimum zones

    Osvaldo Ulloa;Donald E. Canfield;Edward F. DeLong;Ricardo M. Letelier

  • Seasonal and interannual variability in primary production and particle flux at Station ALOHA

    D.M. Karl;J.R. Christian;J.E. Dore;D.V. Hebel

  • Temporal variability of phytoplankton community structure based on pigment analysis

    Ricardo M. Letelier;Robert R. Bidigare;Dale V. Hebel;M. Ondrusek

  • Database of diazotrophs in global ocean: abundance, biomass and nitrogen fixation rates

    Y. W. Luo;S. C. Doney;L. A. Anderson;Mar Benavides

  • Long-term changes in plankton community structure and productivity in the North Pacific Subtropical Gyre: The domain shift hypothesis

    D.M Karl;R.R Bidigare;R.M Letelier

  • Ecological nitrogen-to-phosphorus stoichiometry at station ALOHA

    David M Karl;Karin M Björkman;John E Dore;Lance Fujieki

  • Light driven seasonal patterns of chlorophyll and nitrate in the lower euphotic zone of the North Pacific Subtropical Gyre

    Ricardo M. Letelier;David M. Karl;Mark R. Abbott;Robert R. Bidigare

  • Ecosystem changes in the North Pacific subtropical gyre attributed to the 1991–92 El Niño

    D. M. Karl;R. Letelier;D. Hebel;L. Tupas

  • Predictable and efficient carbon sequestration in the North Pacific Ocean supported by symbiotic nitrogen fixation.

    David M. Karl;Matthew J. Church;John E. Dore;Ricardo M. Letelier

  • An analysis of chlorophyll fluorescence algorithms for the moderate resolution imaging spectrometer (MODIS)

    Ricardo M. Letelier;Mark R. Abbott

  • Trichodesmium Blooms and New Nitrogen in the North Pacific Gyre

    David M. Karl;Ricardo Letelier;Dale V. Hebel;David F. Bird

  • The role of dissolved organic matter release in the productivity of the oligotrophic North Pacific Ocean

    David M. Karl;Dale V. Hebel;K. Björkman;Ricardo M. Letelier

  • Role of Trichodesmium spp. in the productivity of the subtropical North Pacific Ocean

    Ricardo M. Letelier;David M. Karl

  • Physical forcing of nitrogen fixation and diazotroph community structure in the North Pacific subtropical gyre

    Matthew J. Church;Claire Mahaffey;Ricardo M. Letelier;Roger Lukas

  • Simulating the global distribution of nitrogen isotopes in the ocean

    Christopher J. Somes;Andreas Schmittner;Eric D. Galbraith;Moritz F. Lehmann

  • Summer phytoplankton blooms in the oligotrophic North Pacific Subtropical Gyre: Historical perspective and recent observations

    John E. Dore;Ricardo M. Letelier;Matthew J. Church;Roger Lukas

Frequent Co-Authors

David M. Karl
David M. Karl University of Hawaii at Manoa
Matthew J. Church
Matthew J. Church University of Montana
Angelicque E. White
Angelicque E. White University of Hawaii at Manoa
Mark R. Abbott
Mark R. Abbott Oregon State University
John E. Dore
John E. Dore Montana State University
Robert R. Bidigare
Robert R. Bidigare University of Hawaii at Manoa
Jonathan P. Zehr
Jonathan P. Zehr University of California, Santa Cruz
Roger Lukas
Roger Lukas University of Hawaii at Manoa
Scott C. Doney
Scott C. Doney University of Virginia
Frank E. Muller-Karger
Frank E. Muller-Karger University of South Florida

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