The Chernaya river annual flow security calculation and the Chernorechensk reservoir catchment area in Sevastopol

Abstract On the Crimean Peninsula territory, there are 1657 permanent and temporary watercourses with a total length of 5996 km, their length, catchment areas and water volumes are small. Most (92.1%) are watercourses less than 10 km long. Particular attention is paid to the Chernaya river basin, supplying the Chernorechensk reservoir - one of the largest in the region and providing water to the city of Sevastopol Explored for the first time in the complex of the r. Chernaya and all tributaries -the r. Uzundzha, the R. Bosa, the R. Baga Nizhnyaya, the R. Baga Verchniaya, the R. Urkusta, the R. Ay-Todorka, Sukhaya rivers, the R. Bajdarka, the R. Uppa, the R. Armanka, the r. Calenda. The article presents calculated data on the Chernaya river annual run-off availability and all its tributaries It was revealed that the annual run-off statistical characteristics adopted for the water stations adequately reflect the current situation in the long-term section with the river run-off of the Chernaya River and the Chernorechensk reservoir catchment area.