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Dry-lines in Southern Africa: Rediscovering the Congo Air Boundary

Abstract:

Projected rainfall decline in southern Africa is likely to be highly sensitive to subtleties in the local atmospheric circulation. In an effort to understand the regional circulation complexities, a novel algorithm is developed to identify the Congo Air Boundary (CAB) in ERA-5, a high resolution reanalysis dataset. The CAB, a forgotten feature of the circulation, is defined in the Austral spring and early summer, using surface humidity gradients and near-surface wind convergence lines, and is...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1175/JCLI-D-19-0437.1

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Institution:
University of Oxford
Division:
SSD
Department:
SOGE
Role:
Author
More by this author
Institution:
University of Oxford
Division:
SSD
Department:
SOGE
Role:
Author
Publisher:
American Meteorological Society Publisher's website
Journal:
Journal of Climate Journal website
Volume:
32
Issue:
23
Pages:
8223-8242
Publication date:
2019-09-09
Acceptance date:
2019-08-28
DOI:
ISSN:
0894-8755
Source identifiers:
1048491
Language:
English
Keywords:
Pubs id:
pubs:1048491
UUID:
uuid:8883c63d-61c6-49a7-9648-884ad20db3d2
Local pid:
pubs:1048491
Deposit date:
2019-09-02

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