ABSTRACT

The Tanghe Reservoir is located in the upper basin of the Tang River in China. It is a daily regulated multipurpose reservoir, with a capacity of 707 × 106 m3 and a drainage area of 1,228 km2. The Tanghe dam was closed in 1969. Prior to this, little water was withdrawn from the up-stream river and the gauged inflow measured from 1950 to 1969 at the Tanghe gauging station (immediately downstream of the reservoir site) was used to describe the natural flow of the river. The release capability of reservoir is 282 m3 s−1 and the spillway capability is 2713 m3 s−1.