Global relationships of total alkalinity with salinity and temperature in surface waters of the world's oceans

Kitack Lee, Lan T. Tong, Frank J. Millero, Christopher L. Sabine, Andrew G. Dickson, Catherine Goyet, Geun Ha Park, Rik Wanninkhof, Richard A. Feely, Robert M. Key

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293 Scopus citations

Abstract

[1] A simple function of sea surface salinity (SSS) and temperature (SST) in the form AT=a + b (SSS - 35) + c (SSS - 35)2 + d (SST - 20) + e (SST - 20)2 fits surface total alkalinity (AT) data for each of five oceanographic regimes within an area-weighted uncertainty of ±8.1 μmol kg-1 (1ω). Globally coherent surface AT data (n = 5,692) used to derive regional correlations of A T with SSS and SST were collected during the global carbon survey in the 1990s. Such region-specific AT algorithms presented herein enable the estimation of the global distribution of surface AT when observations of SSS and SST are available.

Original languageEnglish (US)
Article numberL19605
JournalGeophysical Research Letters
Volume33
Issue number19
DOIs
StatePublished - Oct 1 2006

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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    Lee, K., Tong, L. T., Millero, F. J., Sabine, C. L., Dickson, A. G., Goyet, C., Park, G. H., Wanninkhof, R., Feely, R. A., & Key, R. M. (2006). Global relationships of total alkalinity with salinity and temperature in surface waters of the world's oceans. Geophysical Research Letters, 33(19), [L19605]. https://doi.org/10.1029/2006GL027207