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Hydrological cycle changes explain weak snowball earth storm track despite increased surface baroclinicity

Abstract:

Simulations show that storm tracks were weaker during past cold, icy climates relative to the modern climate despite increased surface baroclinicity. Previous work explained the weak North Atlantic storm track during the Last Glacial Maximum using dry zonally asymmetric mechanisms associated with orographic forcing. Here we show that zonally symmetric mechanisms associated with the hydrological cycle explain the weak Snowball Earth storm track. The weak storm track is consistent with the decr...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1029/2020GL089866

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Physics - Central
Oxford college:
Jesus College
Role:
Author
Publisher:
Wiley
Journal:
Geophysical Research Letters More from this journal
Volume:
47
Issue:
20
Publication date:
2020-10-09
Acceptance date:
2020-10-04
DOI:
EISSN:
1944-8007
ISSN:
0094-8276
Language:
English
Keywords:
Pubs id:
1145476
Local pid:
pubs:1145476
Deposit date:
2020-12-19

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