Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
Online ISSN : 2185-467X
ISSN-L : 2185-467X
Annual Journal of Hydraulic Engineering, JSCE, Vol.58
CONSIDERATION OF THE ESTIMATION METHOD OF BED-LOAD DISCHARGE BASED ON MEASURED DATA USING ADCP AND RTK-GPS
Shoji OKADAMasayoshi IZUMIJei TAKEUCHIAtsuhiro YOROZUYATakashi KITSUDA
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2014 Volume 70 Issue 4 Pages I_631-I_636

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Abstract
Authors developed a bed-load discharge measurement system based on ADCP in the experimental flume and applied it to actual river. In order to verify the applicability of this method, flood flow observation by using tethered boat equipped with ADCP and RTK-GPS were conducted in several Japanese rivers with different grain size. The output data were compared with conventional formula and results of 2D bed deformation analysis using observed discharge and water level data. As a result, relationship between non-dimensional shear stress and non-dimensional bed-load discharge estimated by author's method showed similar tendency with conventional formula even though shear velocity calculated from vertical velocity distribution was larger than the other calculated values.
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© 2014 Japan Society of Civil Engineers
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