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On the distribution of silicic acid as a frontal zone tracer in the Indian sector of the Southern Ocean

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dc.creator Prego, R.
dc.creator Barciela, Mª del Carmen
dc.creator Park, Y. H.
dc.creator Morvan, J.
dc.creator Poncin, J.
dc.creator Tréguer, P.
dc.date 2008-06-24T12:19:01Z
dc.date 2008-06-24T12:19:01Z
dc.date 1999
dc.date.accessioned 2017-01-31T01:46:58Z
dc.date.available 2017-01-31T01:46:58Z
dc.identifier Scientia Marina 63(2): 121-127 (1999)
dc.identifier 0214-8358
dc.identifier http://hdl.handle.net/10261/5269
dc.identifier 1886-8134
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/5269
dc.description Publicación online disponible en: http://www.icm.csic.es/scimar/index.php
dc.description The subantarctic frontal zone surveyed during the April-May 1991 SUZIL cruise in the Crozet-Kerguelen-Amsterdam area shows a strong horizontal (north to south) gradient of dissolved silicate, increasing with depth, from 5 to 10 µmolSi kg-1 at 100 m, and 10 to 70 µmolSi kg-1 at 600 m. The northern limit of this frontal zone, which is formed by the confluence of the Subtropical and Subantarctic Fronts, is delimited at the surface by the 2 µmolSi kg-1 silicate isoline. Silicate-salinity diagrams also allow different water regimes to be positioned relative to the frontal zone. This sloping interface is between two water bodies, one to the north with more saline subtropical waters of less concentrated silicate than the southern one, corresponding to subantarctic waters which are less saline and richer in silicate. It is concluded that dissolved silicate can be used as a useful tracer of frontal zone water masses in the Indian sector of the Southern Ocean, providing a sound complement to other hydrographic data.
dc.description This paper is supported by the Spanish project, ANT90-123-E, financed by the Comisión Interministerial de Ciencia y Tecnología.
dc.description Peer reviewed
dc.format 449355 bytes
dc.format application/pdf
dc.language eng
dc.publisher CSIC - Instituto de Ciencias del Mar (ICM)
dc.rights openAccess
dc.subject Silicate
dc.subject Tracer
dc.subject Frontal zone
dc.subject Silicate-salinity diagram
dc.subject Crozet Basin
dc.subject Southern Ocean
dc.title On the distribution of silicic acid as a frontal zone tracer in the Indian sector of the Southern Ocean
dc.type Artículo

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