engleski

Effects of dams and reservoirs on the hydrological characteristics of the lower Drava river

During the last 20 years numerous water supply, hydroelectric and other large structures have been built along the Drava River and in its catchments area in Slovenia, Croatia, Hungary and Austria. Their construction has greatly influenced the water regime of the Drava River, especially during low water periods. The changes in the low flow regime along the stretch from Varazdin (285 km) to its confluence with the Danube (0 km) are examined. The analysis includes changes in the water levels, discharges and the amounts of suspended sediment and bed load. The intensity of changes, the time of their occurrence and their trends are examined.

flow regime ; water level ; suspended sediment ; channel erosion

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