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| Titel |
The economic value of drought information for water management under climate change: a case study in the Ebro basin |
| VerfasserIn |
S. Quiroga, L. Garrote, A. Iglesias, Z. Fernández-Haddad, J. Schlickenrieder, B. Lama, C. Mosso, A. Sánchez-Arcilla |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 11, no. 3 ; Nr. 11, no. 3 (2011-03-02), S.643-657 |
| Datensatznummer |
250009247
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| Publikation (Nr.) |
 copernicus.org/nhess-11-643-2011.pdf |
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| Zusammenfassung |
| Drought events in the Mediterranean are likely to increase in frequency,
duration and intensity due to climate change, thereby affecting crop
production. Information about drought is valuable for river basin
authorities and the farmers affected by their decisions. The economic value
of this information and the resulting decisions are of interest to these two
stakeholder groups and to the information providers. Understanding the
dynamics of extreme events, including droughts, in future climate scenarios
for the Mediterranean is being improved continuously. This paper analyses
the economic value of information on drought events taking into account the
risk aversion of water managers. We consider the effects of drought
management plans on rice production in the Ebro river basin. This enables us to compute the
willingness to compensate the river basin authority for more accurate
information allowing for better decision-making. If runoff is
reduced, river basin planners can consider the reduction of water allocation
for irrigation in order to eliminate the risk of water scarcity. Alternately,
river basin planners may decide to maintain water allocation and accept a
reduction of water supply reliability, leaving farmers exposed to drought
events. These two alternatives offer different risk levels for crop production
and farmers' incomes which determine the value of this
information to the river basin authority. The information is relevant for
the revision of River Basin Management Plans of the Water Framework
Directive (WFD) within the context of climate change. |
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