In addition to water infrastructure installation and expansion, climateadaptation could include changes in the operations of existing infrastructure.For example, reservoir levels could be lowered (within the limits ofexisting engineered systems) to hedge against increased flood risk, orraised to prepare for anticipated reductions in low flows. The engineeringliterature on optimal reservoir operations under conditions of uncertaintycould be a useful starting point for thinking about how these practicesmight, in reality, be altered by water managers in response to climatechange. With few exceptions (Raje and Mujumdar, 2010), the availableliterature focuses on U.S. river basins (Brekke et al., 2009; Lee et al.,2009; Li et al., 2010). Further research by economists, in cooperationwith engineers, would be necessary to incorporate models of adaptationthrough reservoir operations into IAMs.
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