Reconciling atmospheric and oceanic views of the transient climate response to emissions

Katavouta, Anna ORCID: https://orcid.org/0000-0002-1587-4996; Williams, Richard G.; Goodwin, Philip; Roussenov, Vassil. 2018 Reconciling atmospheric and oceanic views of the transient climate response to emissions. Geophysical Research Letters, 45 (12). 6205-6214. 10.1029/2018GL077849

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Official URL: http://dx.doi.org/10.1029/2018GL077849

Abstract/Summary

The Transient Climate Response to Emissions (TCRE), the ratio of surface warming and cumulative carbon emissions, is controlled by a product of thermal and carbon contributions. The carbon contribution involves the airborne fraction and the ratio of ocean saturated and atmospheric carbon inventories, with this ratio controlled by ocean carbonate chemistry. The evolution of the carbon contribution to the TCRE is illustrated in a hierarchy of models: a box model of the atmosphere‐ocean and an Earth system model, both integrated for 1,000 years, and a suite of Earth system models integrated for 140 years. For all models, there is the same generic carbonate chemistry response: An acidifying ocean during emissions leads to a decrease in the ratio of the ocean saturated and atmospheric carbon inventories and the carbon contribution to the TCRE. Hence, ocean carbonate chemistry is important in controlling the magnitude of the TCRE and its evolution in time.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1029/2018GL077849
ISSN:	00948276
Date made live:	02 Oct 2020 12:29 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/528579

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1029/2018GL077849

ISSN:

00948276

Date made live:

02 Oct 2020 12:29 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/528579