Journal
FLOW MEASUREMENT AND INSTRUMENTATION
Volume 13, Issue 5-6, Pages 265-270Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0955-5986(02)00048-1
Keywords
discharge; X-band pulse radar; turbulent boils
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This article describes a non-contact method for measuring surface velocity and discharge in a natural channel. The X-band pulse (9.36 GHz) radar, developed by the Applied Physics Laboratory of the University of Washington, was used to scan instantaneously the lateral distribution of surface velocity across a river section, according to Bragg scattering from short waves produced by turbulent boils on the surface of the river. Based on the assumption that the vertical velocity distribution follows a universal power or logarithmic law, the discharges were estimated. (C) 2002 Elsevier Science Ltd. All rights reserved.
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