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| Titel |
Determination of evaporation from a catchment water balance at a monthly time scale |
| VerfasserIn |
H. H. G. Savenije |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1027-5606
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| Digitales Dokument |
URL |
| Erschienen |
In: Hydrology and Earth System Sciences ; 1, no. 1 ; Nr. 1, no. 1, S.93-100 |
| Datensatznummer |
250000086
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| Publikation (Nr.) |
 copernicus.org/hess-1-93-1997.pdf |
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| Zusammenfassung |
| A method is presented to determine total evaporation
from the earth's surface at a spatial scale that is adequate for linkage
with climate models. The method is based on the water balance of catchments,
combined with a calibrated autoregressive rainfall-runoff model. The time
scale used is in the order of decades (10 days) to months. The rainfall-runoff
model makes a distinction between immediate processes (interception and
short term storage) and the remaining longer-term processes. Besides the
calibrated rainfall-runoff model and the time series of observed rainfall
and runoff, the method requires a relation between transpiration and soil
moisture storage. The method is applied to data of the Bani catchment in
Mali, a sub-catchment of the Niger river basin. |
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