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http://dx.doi.org/10.11108/kagis.2019.22.3.001

Uncertainty Analysis of BAG by GNSS Correction  

OH, Che-Young (Korea Hydrography and Research Association)
KIM, HO-Yong (Marine Information Technology Corp)
LEE, Yun-Sik (Korea Hydrographic and Oceanographic Agency)
CHOI, Chul-Uong (Dept. of Spatial Information Engineering, PKNU University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.22, no.3, 2019 , pp. 1-9 More about this Journal
Abstract
In the recent marine sector, the development and standardization regarding S-100, which is the universal hydrographical data model standard for development of marine space information, was progressed, and for the effectiveness of marine chart production work and the multi-purpose use of water level data in S-100, S-102(Bathymetric Surface grid) standard development and various studies of BAG formats combined with water level and uncertainty, property information is being progressed. Since the water level information that is important in the operation of the ship is provided based on S-102, the calibration method of the location information when producing S-102 is an important factor in deciding the water level. In this study, the hydrographical surveying was conducted by piloting the standardized method for the production of S-102 in Korea, and have compared the accuracy of water level information according to the GNSS post treatment calibration method. As a result of comparing the water level in 2 places in the rocky terrain of the study area, the northern water level of Namu-do was shown as DL 0.79~0.83m, the eastern water level of Daeho-do was DL 12.63~12.91m, and the horizontal position errors of the intermittent sunshine water level were confirmed to be within 1m. As a result, the intermittent sunshine water level according to the location calibration method when producing the BAG was confirmed that it was in the available range for a ship's safe voyage. However, the accuracy verification for the location of the ship when conducting hydrographical surveying was judged that there is a need for a various additional study about regional characteristics and environment factor.
Keywords
Hydrographical survey; S-102; Bathymetric Surface Grid; GNSS;
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Times Cited By KSCI : 4  (Citation Analysis)
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