publication . Article . 2007

Alkalinity of the Mediterranean Sea

Schneider, Anke; Wallace, Douglas W.R.; Körtzinger, Arne;
Open Access
  • Published: 01 Jan 2007
  • Publisher: AGU
Abstract
Total alkalinity (AT) was measured during the Meteor 51/2 cruise, crossing the Mediterranean Sea from west to east. AT concentrations were high (∼2600 μmol kg−1) and alkalinity-salinity-correlations had negative intercepts. These results are explained by evaporation coupled with high freshwater AT inputs into coastal areas. Salinity adjustment of AT revealed excess alkalinity throughout the water column compared to mid-basin surface waters. Since Mediterranean waters are supersaturated with respect to calcite and aragonite, the excess alkalinity likely reflects alkalinity inputs to coastal areas close to regions of deep and intermediate water formation. An alkal...
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Article . 2007
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