Economic analysis of alternatives for eliminating aquifer overdraft in the Segura basin
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URI: http://hdl.handle.net/10317/10874ISBN: 978-84-697-1358-7
DOI: 10.31428/10317/10874
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Tecnología de los AlimentosPatrocinadores
The authors thank the Spanish National Institute for Agricultural and Food Research and Technology (INIA) and FEDER (Fondo Europeo de Desarrollo Regional) for their support through the research project RTA2010‐00109‐C04‐03.Realizado en/con
Universidad Politécnica de CartagenaFecha de publicación
2014Editorial
Universidad Politécnica de CartagenaCita bibliográfica
MARTÍNEZ GRANADOS, David y CALATRAVA LEYVA, Javier. Economic analysis of alternatives for eliminating aquifer overdraft in the Segura basin. En: III Workshop en Investigación Agroalimentaria: WiA3.14. Cartagena: Universidad Politécnica de Cartagena, Servicio de Documentación, 2014. Pp. 224-227. ISBN: 978-84-697-1358-7Palabras clave
WiAGroundwater
Irrigation
Desalinised water
Water economics
Mathematical programming
Resumen
Aquifer overdraft is a major environmental and water management problem in
Southeast Spain. In some coastal areas, the recent development of desalinisation
provides an opportunity to address this problem at a lower social and economic cost.
We analyse the economic impact of using several instruments to address this problem
in the Alto Guadalentín aquifer: a tax on groundwater pumping, the buyback of
groundwater rights and the subsidization of desalinised resources. Their impact is
assessed using a mathematical programming model that maximises the farm net
margin resulting from the use of the available water resources for irrigation in the
area. Our results show that all the alternatives have significant economic impacts,
although the availability of desalinised water significantly reduces them. Whereas the
outright restriction of non‐renewable pumping and an environmental tax have the
lowest budgetary cost, they are very unpopular and rather politically unfeasible.
Although ...
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