High-water Level River Discharge Measurement Method in Japan

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Problem of Non-Contact Surface Velocity Measurement 1. Correction of Wind Effect. We made the algorithm to eliminate wind current and tested the effect in an indoor experiment, but we haven’t developed method to eliminate the effect of windswell. The relative error of discharge measured value[%] Radio wave Ultra Sonic PIV Optical flow With no influence compensation of a wind With influence compensation of a wind
Problem of Non-Contact Surface Velocity Measurement 3 1. Cost is expensive
Page 1 and 2: Flood River Discharge Measurement M
Page 3 and 4: Feature of River in Japan • Catc
Page 5 and 6: Feature of Flood River Discharge Me
Page 7 and 8: Measurement using Floats • Charac
Page 9 and 10: Technical Problem of Measurement us
Page 11 and 12: Hypothesis on Disturbed flow in the
Page 13 and 14: The observation by ADCP (19/12/2000
Page 15 and 16: Other flood River Discharge Measure
Page 17 and 18: Assortment of Non-Contact Surface C
Page 19: Problem of Non-Contact Surface Velo
Page 23 and 24: Pressure-type Flood Current Meter
Page 25 and 26: Measurement using ADCP(by radiocont
Page 27 and 28: Conclusion • Float observation is

High-water Level River Discharge Measurement Method in Japan

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