FIGURE 1. Workflow for sea level slope analysis
FIGURE 2. Tidal stations location map with long-term tide observations over 18.6 years
FIGURE 3. Sea level slope with respect to the Korean vertical origin point(Incheon)
TABLE 1. Tidal stations with long-term tide observations over 18.6 years
TABLE 2. Comparision of MSL determined in several reference epoch
TABLE 3. Reexamination of height of the korean vertical origin point (2017 epoch)
TABLE 4. Computation of sea surface topography by regional MSL (2017 epoch)
TABLE 5. Height difference by direction at the intersection point of the first order leveling network
TABLE 6. Comparison of sea level slope computed by direction at the tidal station
References
- Choi, B.H. 2009. External check of geodetic level survey using long term tial observation, Joint-conference for the Korean Association of Ocean and Technology Societies. p.406.
- Gwan J.U. 1950, About tide of Incheon Port, Journal of the Japan Society of Oceanography 6(2):16-22. https://doi.org/10.5928/kaiyou1942.6.2_16
- Hunag H., H.S. Yun and D.H. Lee. 2008. Determination and analysis sea surface topography for unification vertical datum in east-asis area, Journal of Surveying, Geodesy, Photogrammetry and Cartography, 26(3):207-217.
- Korean Hydrographic and Oceanographic Agency(KHOA). 2011. A Study on sea level variations due to global warming. KHOA Annual Report
- Korean Hydrographic and Oceanographic Agency(KHOA). 2016. Analyzing sea level change for responding climate change. KHOA Annual Report
- Korean Institute of Policy Evaluations(KIPE). 2011. National assessment on sea level rise impact of korean coast in the socio-economic context I. pp.1-347
- Lee C.K. 1993. The sea level slopes along the korean peninsular coast based on the first order leveling net in korea. Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography 11(2):35-41.
- National Geographic Information Institute(NGII). 1983. A study on the precision leveling network in korea. pp.1-332.
- National Geographic Information Institute(NGII). 2010. A study on the establishment of vertical dautm. pp.1-210.
- National Geographic Information Institute(NGII). 2015. A study on establishing network of national geodetic control points for the next generation. pp.1-91
- National Geographic Information Institute(NGII). 2018. A study on korean mean sea level and leveling network review based on the original bench mark. pp.1-193
- Penna, N.T., W.E. Featherstone, J. Gazeaux and R.J. Bongham. 2013. The apparent british sea slope is caused by systematic errors in the levelling-based vertical datum. Geophysical Journal International 194(2):772-786. https://doi.org/10.1093/gji/ggt161
- The Korean Earth Science Society(KESS). 2009. Dictionary of Earth Science
- Yoon H.S., M.C. Chang, Y.S. Choi and Y. Huh. 2014. Analysis of national vertical datum connection using tidal bench mark. Journal of the Korean Society for Geo-spatial Information Science. 22(3):47-56. https://doi.org/10.12672/ksis.2014.22.3.047
- 管泽霖, 管铮, 瞿國君. 1996. 海面地形高程基准. 北京: 測绘出版社. pp.30-31.