Accuracy evaluation of multibeam echo sounder bathymetry data

Zhang Guoyin; Tao Chunhui; Wang Ao; Deng Xianming; He Yonghua

doi:10.3969/j.issn.0253-4193.2017.11.010

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Zhang Guoyin, Tao Chunhui, Wang Ao, Deng Xianming, He Yonghua. Accuracy evaluation of multibeam echo sounder bathymetry data[J]. Haiyang Xuebao, 2017, 39(11): 106-114. doi: 10.3969/j.issn.0253-4193.2017.11.010

Citation:

Zhang Guoyin, Tao Chunhui, Wang Ao, Deng Xianming, He Yonghua. Accuracy evaluation of multibeam echo sounder bathymetry data[J]. Haiyang Xuebao, 2017, 39(11): 106-114. doi: 10.3969/j.issn.0253-4193.2017.11.010

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Accuracy evaluation of multibeam echo sounder bathymetry data

doi: 10.3969/j.issn.0253-4193.2017.11.010

1.
Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;Key Laboratory Submarine Geosciences, State Oceanic Administration, Hangzhou 310012, China
2.
Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;Key Laboratory Submarine Geosciences, State Oceanic Administration, Hangzhou 310012, China;Institute of Geophysics and Geomatics, China Universtiy of Geosciences, Wuhan 430074, China

Received Date: 2016-10-27
Rev Recd Date: 2017-06-06

Abstract

Abstract

Bathymetry accuracy evaluation of multibeam echo sounder is an important aspect of water depth measurement quality control. It is an effective method using the static data accuracy evaluation and cross line coverage data accuracy evaluation to estimate the depth samples error. In the actual investigation of the water depth, there is no data of the true water depth, so it is difficult to make statistics of the depth error. The depth data collected by Kongsberg EM120 is used to analysis, the static measurement statistics is calculated using the central beam data, then a grid method is applied to make statistics using the cross line coverage depth data. In addition, the distribution of the sample data total error is showed by the cross line coverage depth deviation. In conclusion, it is an effective way to using the statistics central beam data and the cross line coverage depth data for the water depth accuracy evaluation of multibeam echo sounder.
- multibeam echo sounder,
- accuracy evaluation,
- error analysis

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References(32)

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