globalchange  > 气候变化事实与影响
Scopus ID: 2-s2.0-85059498106
The scientific legacy of the CARIACO ocean time-series program
Author: Muller-Karger F.E.; Astor Y.M.; Benitez-Nelson C.R.; Buck K.N.; Fanning K.A.; Lorenzoni L.; Montes E.; Rueda-Roa D.T.; Scranton M.I.; Tappa E.; Taylor G.T.; Thunell R.C.; Troccoli L.; Varela R.
Source Publication: Annual Review of Marine Science
ISSN: 19411405
Publishing Year: 2019
Volume: 11
pages begin: 413
pages end: 437
Language: 英语
Keyword: carbon flux ; Cariaco Basin ; phytoplankton ; productivity ; upwelling ; zooplankton
Scopus Keyword: Ammonia ; Biogeochemistry ; Biological materials ; Ecology ; Floods ; Phytoplankton ; Productivity ; Sediments ; Silica ; Sulfur compounds ; Time series ; Viruses ; Biological productivity ; Carbon fluxes ; Cariaco basins ; Particulate organic matters ; Phytoplankton bloom ; Phytoplankton diversities ; upwelling ; zooplankton ; Plankton ; carbon flux ; chemoautotrophy ; flooding ; overfishing ; phytoplankton ; primary production ; protozoan ; seafloor ; sediment trap ; time series ; upwelling ; zooplankton ; Atlantic Ocean ; Cariaco Basin ; Caribbean Sea ; Clupeidae ; Protozoa
English Abstract: The CARIACO (Carbon Retention in a Colored Ocean) Ocean Time-Series Program station, located at 10.50°N, 64.66°W, observed biogeochemical and ecological processes in the Cariaco Basin of the southwestern Caribbean Sea from November 1995 to January 2017. The program completed 232 monthly core cruises, 40 sediment trap deployment cruises, and 40 microbiogeochemical process cruises. Upwelling along the southern Caribbean Sea occurs from approximately November to August. High biological productivity (320-628 g C m -2 y -1) leads to large vertical fluxes of particulate organic matter, but only approximately 9-10 g C m -2 y -1 fall to the bottom sediments (∼1-3% of primary production). A diverse community of heterotrophic and chemoautotrophic microorganisms, viruses, and protozoa thrives within the oxic-anoxic interface. A decrease in upwelling intensity from approximately 2003 to 2013 and the simultaneous overfishing of sardines in the region led to diminished phytoplankton bloom intensities, increased phytoplankton diversity, and increased zooplankton densities. The deepest waters of the Cariaco Basin exhibited long-term positive trends in temperature, salinity, hydrogen sulfide, ammonia, phosphate, methane, and silica. Earthquakes and coastal flooding also resulted in the delivery of sediment to the seafloor. The program's legacy includes climate-quality data from suboxic and anoxic habitats and lasting relationships between international researchers. © Copyright 2019 by Annual Reviews. All rights reserved.
Document Type: 期刊论文
Appears in Collections:气候变化事实与影响

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Affiliation: College of Marine Science, University of South Florida, St. Petersburg, FL 33701, United States; Estación de Investigaciones Marinas de Margarita, Fundación la Salle de Ciencias Naturales, Punta de Piedras, Estado Nueva Esparta, Venezuela; Department of Earth and Ocean Sciences, University of South Carolina, Columbia, SC 29208, United States; Ocean Biology and Biogeochemistry Program, National Aeronautics and Space Administration, Washington, DC 20546, United States; School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794, United States; Instituto de Investigaciones Cientificas, Universidad de Oriente, Boca Del Rio, Estado Nueva Esparta, Venezuela

Recommended Citation:
Muller-Karger F.E.,Astor Y.M.,Benitez-Nelson C.R.,et al. The scientific legacy of the CARIACO ocean time-series program[J]. Annual Review of Marine Science,2019-01-01,11
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