National Oceanic and
Atmospheric Administration
United States Department of Commerce


FY 2002

Geochemical evidence of carbonate dissolution in the Pacific and Indian Oceans

Sabine, C.L., R.A. Feely, R.M. Key, and D. Greeley

In Sixth International Symposium on the Geochemistry of the Earth's Surface (GES-6), Honolulu, HI, 20–24 May 2002, 145–147 (2002)

Over the past several years researchers have been working to synthesize the WOCE/JGOFS/OACES global CO survey data to better understand carbon cycling processes in the oceans. The Pacific and Indian Ocean data sets have over 60,000 sample locations with at least two carbon species, oxygen, nutrients, chlorofluorocarbons, and hydrographic parameters. Extensive quality assessments of these data suggest that the dissolved inorganic carbon (DIC) and total alkalinity (TA) data are accurate to approximately ±3 and ±5 µmol kg, respectively. These data are used to examine the geochemical signatures of calcium carbonate dissolution in the Pacific and Indian oceans.

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