Hydraulic conditions of water flow in seminatural fish pass, A case study of the Skórka barrage on the Głomia river

Abstract

The article presents results of a field study of the fish pass located within the Skórka barrage on the Głomia river. The aim of the study was to identify water flow conditions in particular chambers of the fish pass. On the basis of results of the field study, the hydraulic conditions of water flow through the fish pass were determined and referred to the optimum performance parameters of the construction. The results obtained make a basis for discussion of possible problems related to construction and operation of the fish passes resembling „close to nature” structures.

Keywords

• fish pass
• fish pass passability
• hydraulic parameters
• water flow
• barrage
• river