NDLI: Temporal variations in the photosynthetic biosphere

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Temporal variations in the photosynthetic biosphere

Content Provider	NASA Technical Reports Server (NTRS)
Author	McClain Sr., Charles Kolber, Dorota Los, Sietse Tucker, Compton Esaias, Wayne Field, Christopher Behrenfeld, Michael Frouin, Robert Randerson Sr., James Pollack, Nathan Feldman, Gene Falkowski, Paul
Copyright Year	2000
Description	In this report, we describe results from the first three years of global Sea-Viewing Wide Field-of-view Sensor (SeaWiFS) ocean chlorophyll and land plant measurements. This time period covered the end of one of the largest El Nino events in the past century and a strong La Nina. During this transition, terrestrial plant photosynthesis exhibited only a small change, whereas a significant increase in oceanic photosynthesis was observed. Latitudinal distributions of ocean production indicated that this increase in photosynthesis during the La Nina was distributed in the equatorial belt as well as in high production areas. The analysis also illustrated the large 'missing bloom' in ocean phytoplankton in the southern ocean. While land photosynthesis remained fairly steady during the third year of SeaWiFS measurements, ocean phytoplankton production continued to increase, albeit at a lower rate than from 1997 to 1999. Our results represent the first quantification of interannual variability in global scale ocean productivity. Significant Findings: An increase in ocean production during the first three years of the SeaWiFS mission; a strong hemispheric difference in the latitudinal distribution of ocean photosynthesis.
File Size	655262
File Format	PDF
Language	English
Publisher Date	2000-10-17
Access Restriction	Open
Subject Keyword	Temporal Distribution Oceans Marine Biology Biosphere Phytoplankton El Nino Sea-viewing Wide Field-of-view Sensor Photosynthesis Chlorophylls Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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