The quality control and the systematic error correction for the shipboard ADCP data off the Zhujiang River mouth

XIA Hua-yong; LIAO Shi-zhi

Article Contents

Article Navigation > Haiyang Xuebao > 2010 > 32(3): 1-7

XIA Hua-yong, LIAO Shi-zhi. The quality control and the systematic error correction for the shipboard ADCP data off the Zhujiang River mouth[J]. Haiyang Xuebao, 2010, 32(3): 1-7.

Citation:

XIA Hua-yong, LIAO Shi-zhi. The quality control and the systematic error correction for the shipboard ADCP data off the Zhujiang River mouth[J]. Haiyang Xuebao, 2010, 32(3): 1-7.

XIA Hua-yong, LIAO Shi-zhi. The quality control and the systematic error correction for the shipboard ADCP data off the Zhujiang River mouth[J]. Haiyang Xuebao, 2010, 32(3): 1-7.

Citation:

XIA Hua-yong, LIAO Shi-zhi. The quality control and the systematic error correction for the shipboard ADCP data off the Zhujiang River mouth[J]. Haiyang Xuebao, 2010, 32(3): 1-7.

PDF( 589 KB)

The quality control and the systematic error correction for the shipboard ADCP data off the Zhujiang River mouth

South China Sea Engineering Prospecting Center, South China Sea Branch, State Oceanic Administration, Guangzhou 510300,China

Received Date: 2008-08-26
Rev Recd Date: 2009-10-19

Abstract

Abstract

During processing the shipboard ADCP data of the winter cruise off the Zhujiang River mouth in 2006, it is found that Joyce’s method cannot correct the systematic error in the data effectively, which is because that the misalignment angle is variable and is related to the vessel speed and heading. A cosine fitting function of heading is proposed for the misalignment angle, and by which the data systematic error is then corrected well.The current errors in the processed data are estimated via the special software VmDas, and a approach to determining the existence of the systematic errors is given. It is found that there are some incorrect measurements and they cannot be identified as bad data by VmDas, the influence of sea state on the data quality is analyzed, and finally puts forward a procedure for the data quality control and systematic error correction are put forward.
- shipboard ADCP,
- DGPS,
- systematic error correction,
- data quality control,
- off the Zhujiang River mouth

FullText(HTML)

References(11)

References

JOYCE T M. On in situ "calibration" of shipboard ADCPS[J]. Journal of Atmospheric and Oceanic Technology, 1989,6: 169—172.

POLLARD R , READ J. A method for calibration shipmounted acoustic Doppler profilers and the limitations of gyro compass[J]. Journal of Atmospheric and Oceanic Technology, 1989, 6: 859—865.

刁新源,于非,葛人峰,等.船载ADCP测量误差的因素分析和校正方法[J].海洋科学进展,2006,24(4):552—560.

BOWDITCH N. American Practical Navigator [M].vⅠ.Defense Mapping Agency Hydrographic Center, 1997:1386.

RDI. Acoustic Doppler Current Profilers Principles of Operation: A Practical Primer[M]. RD Instruments,San Diego, California, USA,1996.

RDI. VmDas User’s Guide . RD Instruments,San Diego, California, USA,2000.

RDI. WinRiver User’s Guide . RD Instruments,San Diego, California, USA,2001.

GRIFFITHS G. Using 3DF GPS heading for improving underway ADCP data[J]. Journal of Atmospheric and Oceanic Technology,1994,11:1135—1143.

TRUMP C L, MARMORINO G O. Calibrating a gyrocompass using ADCP and DGPS data[J]. Journal of Atmospheric and Oceanic Technology, 1997, 6: 859—865.

NEW A L. Factors affecting the quality of shipboard acoustic Doppler current profiler data[J]. Deep-Sea Research,1992,39:1985—1996.

KING B A, COOPER E B. Comparison of ship’s heading determined from an array of GPS antennas with heading from conventional gyrocompass measurements[J]. Deep-Sea Res, 1993, 40: 2207—2216.

Relative Articles

Supplements(0)

Cited By

Proportional views