Climate Change in Scotland： Impact on Mini-Hydro
Climate Change in Scotland： Impact on Mini-Hydro作者机构：University of Edinburgh United Kingdom
出 版 物：《Small Hydro Power News》 (小水电新闻（英文版）)
年 卷 期：2006年第23卷第2期
页 面：15-20页
学科分类：0202[经济学-应用经济学] 02[经济学] 020205[经济学-产业经济学]
摘 要：UK Government targets for renewable energy and the new Renewable Obligations suggest a renewed interest in mini-hydropower. However, changes in climate and, in particular precipitation, have been shown to significantly alter the quantity and distribution of river flows. Furthermore, these changes have been shown to impact on the production and, consequently, the economics of large hydropower schemes. The literature highlights that the sensitivity of roduction to changes in climate increases significantly as the amount of storage declines. Given that run-of-river mini-hydropower schemes have little or no storage they may be particularly vulnerable to the changes in river flow quantity and distribution that result from climate change. To assess the threat, a simple software model has been developed that enables an examination of the sensitiy of mini-hydro production and economics to climate change. A possible low-head scheme located in the Scottish Borders is used as a case study. The impact of altered precipitation and temperature on river flows, production and project economics are examined. Consideration is also given to the potential and desirability for making the project more climatically robust.
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