Abstract

The reservoir capacity curve is a key quantity for the safe operation of reservoirs, and the reservoir capacity may change during the operation of reservoirs due to various factors, so timely calibration is required. The topography of the reservoir area is measured in three dimensions using an unmanned aircraft and an unmanned boat, respectively. The data results establish a digital elevation model (DEM) of the reservoir area, and the DEM square grid method is used to calculate the reservoir capacity, thus realising the calibration of the reservoir capacity curve. The technical method was successfully applied in Lujiayao Reservoir with high accuracy of results.

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