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  • 标题:Instantaneous transport of salt, nutrients, suspended matter and chlorophyll-a in the tropical estuarine system of Santos
  • 其他标题:Instantaneous transport of salt, nutrients, suspended matter and chlorophyll-a in the tropical estuarine system of Santos
  • 本地全文:下载
  • 作者:Moser, Gleyci A. O. ; Gianesella, Sônia Maria Flores ; Alba, José Juan Barrera
  • 期刊名称:Brazilian Journal of Oceanography
  • 印刷版ISSN:1679-8759
  • 电子版ISSN:1982-436X
  • 出版年度:2005
  • 卷号:53
  • 期号:3-4
  • 页码:115-127
  • DOI:10.1590/S1679-87592005000200003
  • 出版社:Instituto Oceanográfico da Universidade de São Paulo
  • 摘要:The contribution of the polluted São Vicente and Santos estuarine channels to the eutrophication of Santos bay was assessed through the quantification of instantaneous transport of salt, dissolved inorganic nitrogen (DIN) and phosphate, organic and inorganic matter (OSM and ISM) and chlorophyll-a (Chl-a), during dry (austral winter- August/ 1999) and rainy (austral summer- January/2000) seasons. Samplings were carried out during spring and neap tides, in flood and ebb phases, in two transversal sections at the mouths of the São Vicente and Santos channels. Instantaneous transport values generally indicated importation of salt to the estuarine channels, exportation of DIN to the bay, mainly as N-NH4, at a maximum rate of 1155.1 g s-1 during the rainy season; importation of phosphate during the dry season (maximum of 385 g s-1) and exportation of ISM, OSM and Chl-a during periods of greater freshwater discharge. These results demonstrate the great contribution made by the Santos and São Vicente estuaries to the eutrophication of Santos bay, especially in the rainy season.
  • 关键词:Transporte instantâneo;Baía de Santos;Material em suspensão;Clorofila;Nutrientes inorgânicos dissolvidos;Eutrofização;Estuários tropicais
  • 其他关键词:Instantaneous transport;Santos bay;Suspended matter;Chlorophyll;Dissolved inorganic nutrients;Eutrophication;Tropical estuaries
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