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The Transition Zone Chlorophyll Front updated: Advances from a decade of research

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  • Journal Title:
    Progress in Oceanography
  • Personal Author:
  • NOAA Program & Office:
  • Description:
    The dynamic ocean feature called the Transition Zone Chlorophyll Front (TZCF) was first described fifteen years ago based on an empirical association between the apparent habitat of loggerhead sea turtles and albacore tuna linked to a basin-wide chlorophyll front observed with remotely sensed ocean color data. Subsequent research has provided considerable evidence that the TZCF is an indicator for a dynamic ocean feature with important physical and biological characteristics. New insights into the seasonal dynamics of the TZCF suggest that in the summer it is located at the southern boundary of the subarctic gyre while its position in the winter and spring is defined by the extent of the southward transport of surface nutrients. While the TZCF is defined as the dynamic boundary between low and high surface chlorophyll, it appears to be a boundary between subtropical and subarctic phytoplankton communities. Furthermore, the TZCF is also characterized as supporting enhanced phytoplankton net community production throughout its seasonal migration. Lastly, the TZCF is important to the growth rate of neon flying squid and to the survival of monk seal pups in the northern atolls of the Hawaiian Archipelago. This paper reviews these and other findings that advance our current understanding of the physics and biology of the TZCF from research over the past decade.
  • Source:
    Progress in Oceanography, 150, 79-85
  • DOI:
  • ISSN:
    0079-6611
  • Format:
    pdf
  • Publisher:
    Elsevier BV
  • Document Type:
    Journal Article
  • Rights Information:
    Other
  • Compliance:
    Library
  • Main Document Checksum:
    urn:sha-512:88fdbeb4576b54d9f87f2614f9dee7a3b7b46ebd0358fa45749caba659b75934af514ad37cbffda58a4e45f75b3cc5478ef960185ca2bc915774ba740165bcac
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    Filetype[PDF - 2.38 MB ]
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