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| Titel |
The impact of the warm phase of ENSO (El Niño Southern Oscillation) events on water resource availability of tropical catchments in Central Sulawesi, Indonesia |
| VerfasserIn |
C. Leemhuis, G. Gerold |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7340
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| Digitales Dokument |
URL |
| Erschienen |
In: 1st Alexander von Humboldt International Conference ; Nr. 6 (2006-02-16), S.217-220 |
| Datensatznummer |
250003262
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| Publikation (Nr.) |
 copernicus.org/adgeo-6-217-2006.pdf |
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| Zusammenfassung |
| Precipitation anomalies caused by the warm phase (El Niño) of the ENSO
cycle lead to a strong decrease of water resources in South-East Asia. The
aim of this work is to study the impact of warm phase ENSO caused
precipitation anomalies on the water balance of a mesoscale tropical
catchment in Central Sulawesi, Indonesia using a scenario analysis. We
applied statistically generated precipitation anomalies caused by warm phase
ENSO events on a validated hydrological model of the Palu River catchment
(2694 km2) to investigate the implications of the generated ENSO
scenarios on the total annual water balance, the annual discharge regime and
the discharge variability. Moreover we analysed the influence of various
catchment characteristics during warm phase ENSO conditions on the discharge
variability through a comparison of different sub-catchment types. The
results of the scenario analysis proved a severe decline of the annual
discharge rate during warm phase ENSO conditions and an increase of the
overall discharge variability. |
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