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Improvement of irrigation management towards the sustainable use of groundwater in Castilla-La Mancha, Spain |
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| Authors: | F Martí n de Santa Olalla Ma as A Brasa Ramos C Fabeiro Cort s D Fern ndez Gonz lez and H L pez C rcoles |
| Institution: | a Regional Water Research Centre, Regional Development Institute, Castilla-La Mancha University, 02071, Albacete, Spain b Agronomic Institute of Albacete, Campus Universitario s/n., 02071, Albacete, Spain |
| Abstract: | The great expansion of irrigated lands using groundwater has often caused the exploitation of aquifer reserves beyond their recharge capacity. The development of management tools which can harmonize resource exploitation with reserve sustainability is the objective of an interesting experience being accomplished in the aquifer 08.29 in Mancha Oriental, Spain. This paper offers a summary of this ongoing project (GESMO), pointing out the specific role of the Irrigation Advisory Service. The general objective of the project is to create an integrated and integral management system of the aquifer as well as to prepare appropriate techniques for its adequate exploitation. Integral management means that both supply and demand management are considered, including the socio-economic and environmental perspectives. The concept of integrated management implies that the process must involve the majority of economic and social agents affected. Management is founded on a Decision Support System (DSS) which takes into consideration different possible options. The DSS must contemplate the impacts on the environment, mainly the aquifer reserve losses and the increase of nitrates concentration in groundwater. The project directly affects more than 5000 agricultural users, irrigating about 100 000 ha with the aquifer water resources, as well as the whole population living in this region. Results of this project, including irrigation technologies developed may be useful for other areas in the Mediterranean Basin where similar cases occur. |
| Keywords: | Irrigation management Irrigation sheduling Irrigation Advisory Service Irrigation requirements |
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