Data quality check procedures of an operational coastal ocean monitoring network |
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| Authors: | Dong Jiing Doong Shen Hsien Chen Chia Chuen Kao Beng Chun Lee Sun Pei Yeh |
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| Institution: | aCoastal Ocean Monitoring Center, Research Center of Ocean Environment and Technology, National Cheng Kung University, 1, Ta-Hsueh Rd., Tainan, Taiwan 701, ROC;bDepartment of Construction Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan, ROC;cDepartment of Environmental and Hazards-Resistant Design, Huafan University, Taipei, Taiwan, ROC |
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| Abstract: | Field oceanographic and meteorological data are required for ocean engineering. In response to the requirement of field data, an operational coastal ocean monitoring network was established around Taiwan coast, including nine deep-water data buoys, one shallow-water pile station, 10 coastal weather stations and 10 tide stations. Data quality check procedures are necessary to ensure the accuracy of measurements. This paper presents the data quality check procedures on ocean wave data which includes automatic and manual check procedures. The checking criteria are derived using statistical theory in this paper. In addition, a sea-state-dependent algorithm is presented in this study in order to derive checking criteria of time-continuity check. It is showed to have better performance of picking up suspicious data than using fixed threshold process. This data quality check program is now used on the operational monitoring network. |
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| Keywords: | Data quality check Oceanographic data Data buoy Markov process |
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