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  • 1
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    Eddy/wind interactions stimulate extraordinary mid-ocean plankton blooms (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-05-19
    Description: Episodic eddy-driven upwelling may supply a significant fraction of the nutrients required to sustain primary productivity of the subtropical ocean. New observations in the northwest Atlantic reveal that, although plankton blooms occur in both cyclones and mode-water eddies, the biological responses differ. Mode-water eddies can generate extraordinary diatom biomass and primary production at depth, relative to the time series near Bermuda. These blooms are sustained by eddy/wind interactions, which amplify the eddy-induced upwelling. In contrast, eddy/wind interactions dampen eddy-induced upwelling in cyclones. Carbon export inferred from oxygen anomalies in eddy cores is one to three times as much as annual new production for the region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGillicuddy, Dennis J Jr -- Anderson, Laurence A -- Bates, Nicholas R -- Bibby, Thomas -- Buesseler, Ken O -- Carlson, Craig A -- Davis, Cabell S -- Ewart, Courtney -- Falkowski, Paul G -- Goldthwait, Sarah A -- Hansell, Dennis A -- Jenkins, William J -- Johnson, Rodney -- Kosnyrev, Valery K -- Ledwell, James R -- Li, Qian P -- Siegel, David A -- Steinberg, Deborah K -- New York, N.Y. -- Science. 2007 May 18;316(5827):1021-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Woods Hole Oceanographic Institution, Woods Hole, MA 02543-1541, USA. dmcgillicuddy@whoi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17510363" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; Biomass ; Carbon/analysis ; Chlorophyll/analysis ; Cyanobacteria/growth & development/physiology ; Diatoms/growth & development ; *Ecosystem ; Geologic Sediments ; Oxygen/analysis ; Photosynthesis ; Phytoplankton/growth & development/physiology ; Plankton/*growth & development/physiology ; Seasons ; *Seawater/chemistry ; *Water Movements ; *Wind ; Zooplankton/growth & development/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Mesoscale eddies drive increased silica export in the subtropical Pacific Ocean (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-05-19
    Description: Mesoscale eddies may play a critical role in ocean biogeochemistry by increasing nutrient supply, primary production, and efficiency of the biological pump, that is, the ratio of carbon export to primary production in otherwise nutrient-deficient waters. We examined a diatom bloom within a cold-core cyclonic eddy off Hawaii. Eddy primary production, community biomass, and size composition were markedly enhanced but had little effect on the carbon export ratio. Instead, the system functioned as a selective silica pump. Strong trophic coupling and inefficient organic export may be general characteristics of community perturbation responses in the warm waters of the Pacific Ocean.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benitez-Nelson, Claudia R -- Bidigare, Robert R -- Dickey, Tommy D -- Landry, Michael R -- Leonard, Carrie L -- Brown, Susan L -- Nencioli, Francesco -- Rii, Yoshimi M -- Maiti, Kanchan -- Becker, Jamie W -- Bibby, Thomas S -- Black, Wil -- Cai, Wei-Jun -- Carlson, Craig A -- Chen, Feizhou -- Kuwahara, Victor S -- Mahaffey, Claire -- McAndrew, Patricia M -- Quay, Paul D -- Rappe, Michael S -- Selph, Karen E -- Simmons, Melinda P -- Yang, Eun Jin -- New York, N.Y. -- Science. 2007 May 18;316(5827):1017-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geological Sciences and Marine Science Program, University of South Carolina, Columbia, SC 29208, USA. cbnelson@geol.sc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17510362" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/growth & development ; Biomass ; Carbon/analysis ; Chlorophyll/analysis ; Diatoms/*growth & development/physiology ; *Ecosystem ; Hawaii ; Nitrates ; Nitrites/analysis ; Pacific Ocean ; Photosynthesis ; Phytoplankton/growth & development/physiology ; *Seawater/chemistry ; Silicic Acid/analysis ; Silicon Dioxide/*analysis ; Temperature ; *Water Movements ; Zooplankton/growth & development/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
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    PAPER CURRENT
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