engleski

Hydrographic Survey of the Stilling Basin of the Hydropower Plant Dubrava

The paper describes hydrographic survey of cross sections of the stilling basin of the hydroelectric power plant Dubrava which is situated on the river Drava near the city of Varaždin in the Republic of Croatia. The survey was conducted by application of both satellite and echo sound methods, i.e. by integrating GPS_RTK with echo sounder. In the data post processing various software was applied. The primary result of the survey was production of seven cross sections of the stilling basin in scale 1:300/90. The contour plan in scale 1:600 and the 3D model of the stilling basin were also produced. The final result is calculation of the volume of material in the stilling basin of the hydroelectric power plant Dubrava which was eroded downstream between two surveying epochs in years 2015 and 2016.

hydrographic survey ; stilling basin ; hydropower plant Dubrava ; contour plan ; 3D model

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