Delta super(14)C, capital sigma CO sub(2) and salinity of the Western Indian Ocean Deep Waters: Spatial and temporal variations

Indian Ocean Deep waters (IDW) show an increase in salinity and capital sigma CO sub(2) between 64 degree S and 16 plus or minus 4 degree N by 0.106-0.110ppt and 82-104 mu M kg super(-1) respectively with a corresponding decrease in Delta super(14)C by 42ppt as revealed by the GEOSECS data (1977-78)...

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Bibliographic Details
Published inGeophysical research letters Vol. 26; no. 18; pp. 2869 - 2872
Main Authors Somayajulu, BLK, Bhushan, R, Narvekar, P V
Format Journal Article
LanguageEnglish
Published 01.09.1999
Subjects
Bacterial corrosion
Correlation
Deep water
Geophysics
Indian Ocean
Salinity
Temporal logic
ISW, Indian Ocean
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Summary:Indian Ocean Deep waters (IDW) show an increase in salinity and capital sigma CO sub(2) between 64 degree S and 16 plus or minus 4 degree N by 0.106-0.110ppt and 82-104 mu M kg super(-1) respectively with a corresponding decrease in Delta super(14)C by 42ppt as revealed by the GEOSECS data (1977-78). The Delta super(14)C- capital sigma CO sub(2)-Salinity relationships show better correlation in the western sector. High biological productivity induced changes and corrosive deepwaters could account for capital sigma CO sub(2) increase in the northern regions. Reoccupation of GEOSECS stations during 1985-95 do not show distinctly discernible short-term temporal changes in Delta super(14)C, capital sigma CO sub(2) and salinity.
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ISSN:0094-8276
1944-8007
DOI:10.1029/1999GL002261