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http://dx.doi.org/10.7850/jkso.2006.11.1.031

A Study on Making of Chart Datum Database  

KANG YONG Q. (Department of Oceanography, Pukyong National University)
LEE MOONJIN (Maritime and Ocean Engineering Research Institute/KORDI)
Publication Information
The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY / v.11, no.1, 2006 , pp. 31-36 More about this Journal
Abstract
A study on estimation of the datum level is carried out by combining observed and simulated harmonic constants of 4 major tides ($M_2$tide, $S_2$tide, $K_2$tide, and $O_1$tide). In the coastal zone, the datum level can be estimated by using observed tide harmonic constants at tide station. The observed tide harmonic constants, however, cannot be used to calculate the datum level of the sea because of the lack of tide station. In order to estimate the datum level of the sea, it is necessary to adopt the simulated harmonic constants instead of the observed ones. In this study, the datum level is calculated by using the simulated harmonic constants which is modified by tuning coefficient based on relationship between observed and simulated harmonic constants at tide station. Tuning coefficient of sea is interpolated on TIN (Triangulated Irregular Network) which has node points at tide stations.
Keywords
Datum level; Harmonic constants; Tide station; Tuning coefficient; TIN;
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