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Title

Origin and fate of a bloom of Skeletonema costatum during a winter upwelling/downwelling sequence in the Ría de Vigo (NW Spain)

AuthorsÁlvarez-Salgado, Xosé Antón ; Nieto-Cid, Mar ; Piedracoba, Silvia ; Crespo, B. G. ; Brea, S. ; Teixeira, I. G. ; Figueiras, F. G. ; Garrido, J. L. ; Castro, Carmen G. ; Gilcoto, Miguel
Issue Date2005
PublisherYale University
CitationJournal of Marine Research 63(6): 1127-1149 (2005)
AbstractThe onset, development and decay of a winter bloom of the marine diatom Skeletonema costatum was monitored during a 10 d period in the coastal upwelling system of the Ría de Vigo (NW Spain). The succession of upwelling, relaxation and downwelling-favorable coastal winds with a frequency of 10–20 d is a common feature of the NW Iberian shelf. The onset of the bloom occurred during an upwelling-favorable ½ wk period under winter thermal inversion conditions. The subsequent ½ wk coastal wind relaxation period allowed development of the bloom (gross primary production reached 8g C m−2 d−1) utilizing nutrients upwelled during the previous period. Finally, downwelling during the following ½ wk period forced the decay of the bloom through a combination of cell sinking and downward advection.
Description23 páginas, 4 figuras, 4 tablas
Publisher version (URL)http://dx.doi.org/10.1357/002224005775247616
URIhttp://hdl.handle.net/10261/55844
DOI10.1357/002224005775247616
ISSN0022-2402
Appears in Collections:(IIM) Artículos
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