The trajectory towards basin closure of a European river: Guadalquivir

Autor:	Julio Berbel, Verónica Pedraza, Giacomo Giannoccaro
Rok vydání:	2013
Předmět:	Mediterranean climate Hydrology Irrigation geography geography.geographical_feature_category business.industry Farm income Drainage basin Structural basin Water resources Closure (computer programming) Agriculture Environmental science Water resource management business Water Science and Technology
Zdroj:	International Journal of River Basin Management. 11:111-119
ISSN:	1814-2060 1571-5124
DOI:	10.1080/15715124.2013.768625
Popis:	The objective of this research is to gain knowledge in the process of basin closure of a Mediterranean European river. The paper analyses the evolution of water demand and interactions between users and water resources, focusing on irrigation as the main actor of change. The Guadalquivir River Basin has been managed through a centralized and hierarchical system for almost 80 years, which facilitated the evolution of a large and profitable agricultural sector that in turn has driven the basin towards closure, defined as those basins with a relatively small amount of uncommitted run-off. We distinguish the following elements in the evolution towards closure: (a) decreasing farm income; (b) increase in irrigated area and factor intensification as a response to this; (c) expansion of irrigation to formerly rainfed crops (i.e. olive groves); (d) new demand from other sectors; (e) increase in environmental flow control; (f) reduction in water allocation; (g) increase in water costs; (h) introduction of water sa...
Databáze:	OpenAIRE
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