In addition to water infrastructure installation and expansion, climate
adaptation could include changes in the operations of existing infrastructure.
For example, reservoir levels could be lowered (within the limits of
existing engineered systems) to hedge against increased flood risk, or
raised to prepare for anticipated reductions in low flows. The engineering
literature on optimal reservoir operations under conditions of uncertainty
could be a useful starting point for thinking about how these practices
might, in reality, be altered by water managers in response to climate
change. With few exceptions (Raje and Mujumdar, 2010), the available
literature focuses on U.S. river basins (Brekke et al., 2009; Lee et al.,
2009; Li et al., 2010). Further research by economists, in cooperation
with engineers, would be necessary to incorporate models of adaptation
through reservoir operations into IAMs.
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