Article (Scientific journals)
Changes in surface water supply across Africa with predicted climate change
De Wit, M.; Stankiewicz, Jacek
2006In Science, 311 (5769), p. 1917-1921
Peer reviewed
 

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Abstract :
[en] Across Africa, perennial drainage density as a function of mean annual rainfall defines three regimes separated by threshold values of precipitation. This nonlinear response of drainage to rainfall will most seriously affect regions in the intermediate, unstable regime. A 10% decrease in precipitation in regions on the upper regime boundary (1000 millimeters per year) would reduce drainage by 17%, whereas in regions receiving 500 millimeters per year, such a drop would cut 50% of surface drainage. By using predicted precipitation changes, we calculate that a decrease in perennial drainage will significantly affect present surface water access across 25% of Africa by the end of this century.
Disciplines :
Earth sciences & physical geography
Author, co-author :
De Wit, M.
Stankiewicz, Jacek ;  University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > Department of Social Sciences (DSOC)
External co-authors :
yes
Language :
English
Title :
Changes in surface water supply across Africa with predicted climate change
Publication date :
2006
Journal title :
Science
Volume :
311
Issue :
5769
Pages :
1917-1921
Peer reviewed :
Peer reviewed
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since 08 September 2022

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