Accumulation of suspended barite at mesopelagic depths and export production in the southern-ocean

The relation between the accumulation of barite (BaSO4) microcrystals in suspended matter from the mesopelagic depth region (100 to 600 meters) and the type of production in the euphotic layer (new versus recycled) was studied for different Southern Ocean environments. Considerable subsurface barite...

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Bibliographic Details
Main Authors: Dehairs, F, Baeyens, W, Goeyens, Leo
Format: Article in Journal/Newspaper
Language:English
Published: Amer assoc advancement science 1992
Subjects:
ice edge
weddell sea
ross sea
phytoplankton
nitrogen
matter
cycle
Southern Ocean
Weddell Sea
Ross Sea
Weddell
Online Access:https://lirias.kuleuven.be/handle/123456789/47644
http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=INSPEC&SrcApp=PRODUCT_NAME&CKEY=DEHA1332920258SF&SrcURL=WOS_RETURN_URL&DestLinkType=FullRecord&DestApp=INSPEC&SrcDesc=RETURN_ALT_TEXT&SrcAppSID=APP_SID
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Summary:The relation between the accumulation of barite (BaSO4) microcrystals in suspended matter from the mesopelagic depth region (100 to 600 meters) and the type of production in the euphotic layer (new versus recycled) was studied for different Southern Ocean environments. Considerable subsurface barite accumulated in waters characterized by maintained new production and limited grazing pressure during the growth season. On the other hand, little if any barite accumulated in areas where relatively large amounts of photosynthetically fixed carbon were transferred to the microheterotrophic community and where recycled production became predominant. status: published

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