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Spatially variable CO2 degassing in the Main Ethiopian Rift: Implications for magma storage, volatile transport, and rift-related emissions

Abstract:

Deep carbon emissions from historically inactive volcanoes, hydrothermal, and tectonic structures are among the greatest unknowns in the long-term (∼Myr) carbon cycle. Recent estimates of diffuse CO2flux from the Eastern Rift of the East African Rift System (EARS) suggest this could equal emissions from the entire mid-ocean ridge system. We report new CO2surveys from the Main Ethiopian Rift (MER, northernmost EARS), and reassess the rift-related CO2flux. Since degassing in the MER is concentr...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1002/2017GC006975

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Earth Sciences
Role:
Author
ORCID:
0000-0003-2662-579X
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Earth Sciences
Role:
Author
ORCID:
0000-0003-4259-7303
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Earth Sciences
Role:
Author
ORCID:
0000-0002-2663-9940
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Oxford college:
St Peter's College
Role:
Author
ORCID:
0000-0002-6960-1555
More from this funder
Name:
Natural Environmental Research Council
Grant:
NE/L013932/1
Publisher:
Wiley
Journal:
Geochemistry, Geophysics, Geosystems More from this journal
Volume:
18
Issue:
10
Pages:
3714-3737
Publication date:
2017-09-28
Acceptance date:
2017-09-21
DOI:
EISSN:
1525-2027
Keywords:
Pubs id:
pubs:730574
UUID:
uuid:f6ad28bd-6b3b-4338-847c-8f7ea8aa00bf
Local pid:
pubs:730574
Source identifiers:
730574
Deposit date:
2018-10-04

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