Articles | Volume 12, issue 6
Clim. Past, 12, 1281–1296, 2016
https://doi.org/10.5194/cp-12-1281-2016
Clim. Past, 12, 1281–1296, 2016
https://doi.org/10.5194/cp-12-1281-2016

Research article 02 Jun 2016

Research article | 02 Jun 2016

Last Glacial Maximum and deglacial abyssal seawater oxygen isotopic ratios

Carl Wunsch

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Short summary
This paper examines the oxygen isotope data in several deep-sea cores. The question addressed is whether those data support an inference that the abyssal ocean in the Last Glacial Maximum period was significantly colder than it is today. Along with a separate analysis of salinity data in the same cores, it is concluded that a cold, saline deep ocean is consistent with the available data but so is an abyss much more like that found today. LGM model testers should beware.