Construction of Performance Contours on the Storage-Yield Plane of a Within-Year Reservoir System

by K. Sudhir,
K. Srinivasan,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


The reservoir storage-reliability-yield (S-R-Y) relationships developed in the past have considered only the probability of failure to meet the target requirements, but not the likely consequences of these failures. In this paper, in addition to the frequency of failure, the continuity and the severity of the failure have been considered and contours of reservoir performance, namely, reliability, resilience and vulnerability have been developed on the storage-yield plane of a within-year reservoir. These contours of performance, on superposition, would yield storage-performance-yield (S-P-Y) relationships, which will be useful for reservoir planners and decision-makers. The performance evaluation is done by periodic stochastic reservoir simulation, using an optimal reservoir operating policy. The construction of performance contours is illustrated for a within-year reservoir system in Southern India.

Subject Headings: Reservoirs | Water storage | Failure analysis | Stochastic processes | Construction management | Probability | Light rail transit | India | Asia

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