Filters: Tags: tidal effects (X)
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Long-term, non-contact river velocity measurements have been made using a UHF RiverSonde system for several months at each of two locations having quite different flow characteristics. Observations were made on the Cowlitz River at Castle Rock, Washington from October 2003 to June 2004, where the unidirectional flow of the river ranged from about 1.0 to 3.5 m/s. The radar velocity was highly correlated with the stage height which was continually measured by the U. S. Geological Survey. The profile of the along-channel velocity across the water channel also compared favorably with in-situ measurements performed by the Survey. The RiverSonde was moved to Threemile Slough, in central California, in September 2004 and...
Categories: Publication;
Types: Citation;
Tags: 0.8 m/s,
1 to 3.5 m/s,
AD 2003 10 to 2004 06,
AD 2004 09,
California,
Two-dimensional river flow patterns have been measured using a pair of RiverSondes in two experiments in the Sacramento-San Joaquin River Delta system of central California during April and October 2007. An experiment was conducted at Walnut Grove, California in order to explore the use of dual RiverSondes to measure flow patterns at a location which is important in the study of juvenile fish migration. The data available during the first experiment were limited by low wind, so a second experiment was conducted at Threemile Slough where wind conditions and surface turbulence historically have resulted in abundant data. Both experiments included ADCP near-surface velocity measurements from either manned or unmanned...
Categories: Publication;
Types: Citation;
Tags: 2D river flow patterns,
AD 2007 04 23 to 25,
AD 2007 10 10 to 11,
ADCP near-surface velocity measurements,
Acoustic Doppler Current Profiling,
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