Systems and methods for monitoring river flow parameters using a VHF/UHF radar station
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United States of America Patent
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Mar 30, 2010
Grant Date -
Aug 6, 2009
app pub date -
Feb 5, 2008
filing date -
Feb 5, 2008
priority date (Note) -
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Abstract
Systems and methods are described for monitoring the surface flow velocity and volume discharge of rivers and channels using a VHF/UHF radar located in operative relationship with a riverbank. This frequency region allows precise estimation and removal of the Bragg wave velocity; it also is matched to the short wind-wave roughness periods existing on river surfaces so that operation is possible nearly all the time. Methods of bearing determination are also disclosed. Up/downriver surface velocity profiles vs. distance across the river may be constructed from maps of the radial velocity component from a single radar at thousands of points within the radar's coverage. Methods to compensate for Doppler aliasing under high flow conditions are also shown.
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