Understanding performance measures of reservoirs

This paper examines 10 reservoir performance metrics including time and volume based reliability, several measures of resilience and vulnerability, drought risk index and sustainability. Both historical and stochastically generated streamflows are considered as inflows to a range of hypothetical storage on four rivers-Earn river in the United Kingdom, Hatchie river in the United States, Richmond river in Australia and the Vis river in South Africa. The monthly stochastic sequences were generated applying an autoregressive lag one model to Box-Cox transformed annual streamflows incorporating parameter uncertainty by the Stedinger-Taylor method and the annual flows disaggregated by the method of fragments. (c) 2005 Elsevier B.V. All rights reserved.