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

Reconciling atmospheric and oceanic views of the transient climate response to emissions
Reconciling atmospheric and oceanic views of the transient climate response to emissions
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 1000 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 at- mospheric 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.
0094-8276
6205-6214
Katavouta, Anna
e4f2d2d1-2b03-4549-9a9a-27546a42f487
Williams, Richard
65f7fbb9-17e0-43de-8eb3-8d9164028a51
Goodwin, Philip
87dbb154-5c39-473a-8121-c794487ee1fd
Roussenov, Vassil
4597a917-3ec8-43d0-854e-f11d25b0276e
Katavouta, Anna
e4f2d2d1-2b03-4549-9a9a-27546a42f487
Williams, Richard
65f7fbb9-17e0-43de-8eb3-8d9164028a51
Goodwin, Philip
87dbb154-5c39-473a-8121-c794487ee1fd
Roussenov, Vassil
4597a917-3ec8-43d0-854e-f11d25b0276e

Katavouta, Anna, Williams, Richard, Goodwin, Philip and Roussenov, Vassil (2018) Reconciling atmospheric and oceanic views of the transient climate response to emissions. Geophysical Research Letters, 45 (12), 6205-6214, [GRL57523]. (doi:10.1029/2018GL077849).

Record type: Article

Abstract

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 1000 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 at- mospheric 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.

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2018GL077849 - Accepted Manuscript
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Accepted/In Press date: 24 May 2018
e-pub ahead of print date: 30 May 2018
Published date: 20 June 2018

Identifiers

Local EPrints ID: 421539
URI: http://eprints.soton.ac.uk/id/eprint/421539
ISSN: 0094-8276
PURE UUID: 4c864d3c-08da-402d-8bf4-fb7ab069ef71
ORCID for Philip Goodwin: ORCID iD orcid.org/0000-0002-2575-8948

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Date deposited: 14 Jun 2018 16:30
Last modified: 16 Mar 2024 06:42

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Contributors

Author: Anna Katavouta
Author: Richard Williams
Author: Philip Goodwin ORCID iD
Author: Vassil Roussenov

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