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Global relationships of total alkalinity with salinity and temperature in surface waters of the world's oceans
Author(s) -
Lee Kitack,
Tong Lan T.,
Millero Frank J.,
Sabine Christopher L.,
Dickson Andrew G.,
Goyet Catherine,
Park GeunHa,
Wanninkhof Rik,
Feely Richard A.,
Key Robert M.
Publication year - 2006
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2006gl027207
Subject(s) - alkalinity , sss* , sea surface temperature , salinity , environmental science , temperature salinity diagrams , climatology , oceanography , geology , mathematics , chemistry , mathematical optimization , organic chemistry
A simple function of sea surface salinity (SSS) and temperature (SST) in the form A T = a + b (SSS − 35) + c (SSS − 35) 2 + d (SST − 20) + e (SST − 20) 2 fits surface total alkalinity (A T ) data for each of five oceanographic regimes within an area‐weighted uncertainty of ±8.1 μ mol kg −1 (1 σ ). Globally coherent surface A T 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 A T algorithms presented herein enable the estimation of the global distribution of surface A T when observations of SSS and SST are available.