A New Formula for Mean Velocity in Torrents

by Hanspeter Hodel, Swiss Natl Hydrological and, Geological Survey, Berne, Switzerland,
Isidor Storchenegger, Swiss Natl Hydrological and, Geological Survey, Berne, Switzerland,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: In this paper we present a new equation for mean velocity in torrents based on travel time measurements and geomorphological relations. Here, the emphasis is not on understanding the physical phenomena of fluid flow in torrents, but on the combination of travel time with morphological characteristics in stream networks. The formula presented can be used for stream velocity as a mean value or a function of watershed characteristics over long reaches. In further research most progress can be assumed by the skilled combination of fractal concepts with relations based on velocity measurements in different river basins.

Subject Headings: Travel time | Fluid flow | Flow measurement | Fluid velocity | Flow duration | Rivers and streams | River flow | Water flow

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