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Insuring water: a practical risk management option in water-scarce and drought-prone regions?

机译：为水保险：缺水和干旱多发地区的实用风险管理选择吗？

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摘要

Recurrent water deficits in various arid and semi-arid Mediterranean basins are largely covered by illegal groundwater abstractions uncontrolled by the water authorities. Aquifers thus play the role of buffer stocks and are used by farmers as a reliable, although informal, insurance system. This has led to continuous groundwater depletion and increased scarcity and drought risk over the last few decades. An effective solution to this problem requires the replacement of this spontaneous, informal and uncoordinated insurance scheme with a formal and planned system that can be coordinated with the objective of reducing overexploitation. In this paper we develop a methodology to estimate the fair risk premium and the potential water savings associated with drought insurance for irrigated agriculture. This method is illustrated with its application to the Campo de Cartagena Agricultural District in the Segura River Basin (Spain). Results show that although the potential for illegal abstractions is high (9.5 hm~3/year), the cost of the insurance system is ten times lower than the amount that risk-averse farmers are willing to pay for water security. This information may serve as the starting point for the design of a drought insurance system able to cope with other relevant institutional challenges.
机译：地中海各个干旱和半干旱流域的经常性缺水情况很大程度上被水管理部门无法控制的非法地下水抽取所弥补。因此，含水层起着缓冲储备的作用，被农民用作一种可靠的，尽管非正式的保险制度。在过去的几十年中，这导致了地下水的持续消耗，稀缺性和干旱风险增加。有效解决此问题的方法是，用可以协调以减少过度开发为目标的正式计划性制度来取代这种自发，非正式和不协调的保险计划。在本文中，我们开发了一种方法来估算与灌溉农业的干旱保险相关的公平风险溢价和潜在节水量。该方法在塞古拉河盆地（西班牙）的坎波-德-卡塔赫纳农业区中的应用得到了说明。结果表明，尽管非法取水的可能性很高（9.5 hm〜3 /年），但保险制度的成本比规避风险的农民愿意为水安全支付的金额低十倍。该信息可以用作设计干旱保险系统的起点，以应对其他相关的机构挑战。

著录项

  • 来源
    《Water Policy》 |2014年第2期|244-263|共20页
  • 作者

    Carlos Dionisio Perez Blanco; Carlos Mario Gomez;

  • 作者单位

    University of Alcala de Henares. Plaza de la Victoria, 2. 28802 Alcala de Henares, Madrid, Spain,Madrid Institute for Advanced Studies in Water Technologies (IMDEA-Water). C/Punto Net, 4, 2° piso, Edificio ZYE. Parque Cientifico Tecnologico de la Universidad de Alcala. 28805 Alcala de Henares, Madrid, Spain;

    University of Alcala de Henares. Plaza de la Victoria, 2. 28802 Alcala de Henares, Madrid, Spain,Madrid Institute for Advanced Studies in Water Technologies (IMDEA-Water). C/Punto Net, 4, 2° piso, Edificio ZYE. Parque Cientifico Tecnologico de la Universidad de Alcala. 28805 Alcala de Henares, Madrid, Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Agriculture; Drought insurance; Drought management plan; Groundwater stochastic models;

    机译：农业;干旱保险;干旱管理计划;地下水随机模型;

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