Abstract
The paper considers annual measurements from two stations of the satellite monitoring system of the Sayano-Shushenskaya HPP. This data is processed using the absolute PPP method and the relative method in the BERNESE software product. The RMS between the two solutions was 2,0 - 3,5 mm for horizontal coordinates and 6,3 - 7,5 mm for height. Using the PPP method, it has been established that the annual variation of the earth's crustal sediments in the area of a HPP due to the effect of atmospheric loads is 31.3 mm, and the annual variation due to the influence of the water reservoir is 9,7 mm. PPP technology can be used to monitor the horizontal position of hydropower structures on a compressible base. Also geodynamic studies of differences in the sediments of the earth's crust caused by the reservoir can be performed with the help of PPP method at the locations of base stations and monitoring stations.
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