A water-level correction method based on ocean tide dynamic model

LIU Hong-bo; PAN Guo-fu; YING Yuan-kang; HUANG Pan-yang; HU Tao-jun

doi:10.3969/j.issn.1001-909X.2014.02.004

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Journal of Marine Sciences ›› 2014, Vol. 32 ›› Issue (2) : 35-39. DOI: 10.3969/j.issn.1001-909X.2014.02.004

A water-level correction method based on ocean tide dynamic model

LIU Hong-bo, PAN Guo-fu, YING Yuan-kang, HUANG Pan-yang, HU Tao-jun

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Abstract

A water-level correction method based on ocean tide dynamic model was studied and proposed. This method corrected astronomical tide projected by numerical simulation, combined with the correction of residual water level, and obtained the tide data of specific station. Combined with the actual data, this method compared with the traditional level correction method (the time- difference method and least squares fitting method). The results show that it has higher accuracy than that of traditional methods, and has unique advantages in more complex topography seas. This method can reduce the short-term tide gauge emplaced in the hydrographic surveying and charting,and use for fixing the missing tide level.

Key words

water-level correction / the time-difference method / the least squares fitting method / ocean tide dynamic model

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LIU Hong-bo, PAN Guo-fu, YING Yuan-kang, HUANG Pan-yang, HU Tao-jun. A water-level correction method based on ocean tide dynamic model[J]. Journal of Marine Sciences. 2014, 32(2): 35-39 https://doi.org/10.3969/j.issn.1001-909X.2014.02.004

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