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Recent observed and simulated changes in precipitation over Africa

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Maidment, Ross I., Allan, Richard P., Black, Emily·2015·Geophysical Research Letters

Abstract

Multiple observational data sets and atmosphere‐only simulations from the Coupled Model Intercomparison Project Phase 5 are analyzed to characterize recent rainfall variability and trends over Africa focusing on 1983–2010. Data sets exhibiting spurious variability, linked in part to a reduction in rain gauge density, were identified. The remaining observations display coherent increases in annual Sahel rainfall (29 to 43 mm yr−1 per decade), decreases in March–May East African rainfall (−14 to −65 mm yr−1 per decade), and increases in annual Southern Africa rainfall (32 to 41 mm yr−1 per decade). However, Central Africa annual rainfall trends vary in sign (−10 to +39 mm yr−1 per decade). For Southern Africa, observed and sea surface temperature (SST)‐forced model simulated rainfall variability are significantly correlated (r~0.5) and linked to SST patterns associated with recent strengthening of the Pacific Walker circulation.

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Metadata

Authors
Maidment, R. I., Allan, R. P., & Black, E.
Venue
Geophysical Research Letters
Published
2015-10-12
Volume
42
Issue
19
Pages
8155-8164
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
OpenAlex
W1899205596
Cited by
260
References
6
FWCI
15.85
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Recent observed and simulated changes in precipitation over Africa. https://app.cochat.ai/papers/10.1002/2015gl065765
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Maidment, R. I., Allan, R. P., & Black, E. (2015). Recent observed and simulated changes in precipitation over Africa. Geophysical Research Letters. https://doi.org/10.1002/2015gl065765

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