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Diagnosis of physical and biological controls on phytoplankton distribution in the Sargasso Sea

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  • Additional Information
    • Publisher Information:
      Springer Berlin Heidelberg 2016-10-13T20:33:49Z 2016-10-13T20:33:49Z 2014-01 2012-10 2016-08-18T15:40:58Z
    • Abstract:
      The linkage between physical and biological processes is studied by applying a one-dimensional physical-biological coupled model to the Sargasso Sea. The physical model is the Princeton Ocean Model and the biological model is a five-component system including phytoplankton, zooplankton, nitrate, ammonium, and detritus. The coupling between the physical and biological model is accomplished through vertical mixing which is parameterized by the level 2.5 Mellor and Yamada turbulence closure scheme. The coupled model investigates the annual cycle of ecosystem production and the response to external forcing, such as heat flux, wind stress, and surface salinity, and the relative importance of physical processes in affecting the ecosystem. Sensitivity experiments are also carried out, which provide information on how the model bio-chemical parameters affect the biological system. The computed seasonal cycles compare reasonably well with the observations of the Bermuda Atlantic Time-series Study (BATS). The spring bloom of phytoplankton occurs in March and April, right after the weakening of the winter mixing and before the establishment of the summer stratification. The bloom of zooplankton occurs about two weeks after the bloom of phytoplankton. The sensitivity experiments show that zooplankton is more sensitive to the variations of biochemical parameters than phytoplankton.
      Shandong Sheng (China) (Shandong Young Scientists Research Award, grant BS2011HZ021)
    • Subject Terms:
      Article; http://purl.org/eprint/type/JournalArticle
    • Availability:
      Open access content. Open access content
      Creative Commons Attribution-Noncommercial-Share Alike
      http://creativecommons.org/licenses/by-nc-sa/4.0
      Science Press, Ocean University of China and Springer-Verlag Berlin Heidelberg
    • Note:
      application/pdf
      English
    • Other Numbers:
      MYG oai:dspace.mit.edu:1721.1/104807
      1672-5182
      1993-5021
      Wang, Caixia, and Paola Malanotte-Rizzoli. “Diagnosis of Physical and Biological Controls on Phytoplankton Distribution in the Sargasso Sea.” Journal of Ocean University of China 13, no. 1 (January 26, 2014): 32–44.
      1018413155
    • Contributing Source:
      MASSACHUSETTS INST OF TECHNOL LIBRS
      From OAIster®, provided by the OCLC Cooperative.
    • Accession Number:
      edsoai.on1018413155
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