2006 年 12 巻 p. 133-138
Making the highly accurate flow measurement is an important problem for river planning. We report the current state and the problem of the river flow measurement method using ADCP (Acoustic Doppler Current Profilers) in Japan and overseas. And as an applied case of ultrasonic technology, we developed the presuming method of the amount of the suspended sediment based on new concept. From the calculated results of the sediment volume between two cross sections in tidal river by using this technique, we showed that this presuming method is more practical than previous ones.