The characteristics of ADCP data obtained in lakes and reservoirs and a data processing method for its correction

Abstract

Acoustic Doppler Current Profiler (ADCP) was used for the observation of flood flow intruding into a reservoir. The data had a lot of error which was generated by rolling and pitching of a carrying boat. We investigated the characteristics of the error in order to develop. a data correction method. In this paper, a least square method with non-linear weight function is shown to be useful for the determination of a series of trial functions which interpolate the very fluctuating original data properly. The corrected velocity field is consistent with the profile of the turbidity layer which was measured with a sonar and a turbidity meter.