한반도 서해 천수만의 해안선 변화 및 조간대 해빈 특성 = Characteristics of Tidal Beach and Shoreline Changes in Chonsu Bay, West Coast of Korea

다국어 초록 (Multilingual Abstract)

Morphology, surface sediments, sedimentation rates and sea-cliff erosion have been monitored, for one year toinvestigate the shoreline changes and tidal beach characteristics in Cheonsu Bay along the west coast of Korea. The sea-cliff of the bay consists of intensively weathered sedimentary rocks and soft soil, showing an erosion range of 58.9~73.3 cm/yr by a weak wave forcing. Active sea-cliff erosions are recognized by peculiar geomorphic features, includingsurface. The beach sediments show low compositional maturity at the south and north headlands and gradually hightowards the central part. This observation seems to be caused by the fact that beach sediments are to originate from theboth headlands in the study area and then transported by long-shore current associated with a wave action

국문 초록 (Abstract)

한반도서해천수만에서해안선변화및조간대해빈특성을조사하기위하여 1년동안지형, 표층퇴적물, 퇴적율과해안절벽의침식율등을조사하였다. 천수만의해안선은심하게풍화된퇴적암과풍화토층으로구성되어있고관측결과.58.9~.73.3 cm/yr 후퇴하였다. 해안침식을지시하는톱날모양의해안선, 고조선해빈의전석, 침식되지못하고남아있는잔류암맥, 그리고바위섬모양의 “Island Stack” 등의여러가지특징들이발견되었다. 한편, 해빈퇴적물의조성성숙도는돌출부에서만입된중앙으로갈수록성숙된경향을보인다. 이는해빈을구성하는사질퇴적물의기원이남측과북측의돌출부에있음을의미하며, 침식된퇴적물은파랑에의해야기된연안류에의해만입된중앙으로이동되는것으로해석된다.

참고문헌 (Reference)

1 "해양으로부터가해지는힘에대한장기적인해안침식모델의고찰." 17 : 41-58, 1995

2 "해양수산부연안침식방지종합대책수립을위한조 사연구용역" (I) : 404-, 2002

3 "해안침식이우세한반폐쇄적조간대의퇴적작용: 한국서해안의함평만." 4 : 117-126, 1999

4 "항공사진을이용한서남해함평만의해안선변화관측" 22 : 217-236, 2001

5 "함평만조간대의표층퇴적물과집적률의계절변화." 4 : 127 135. -, 1999

6 "한반도중부권지각물질의구조와물성연구" 53-65, 1992

7 "한국서해남부함평만표층퇴적물의분포및특성." 18 : 367-378, 1997

8 "한국서해남부함평만의해안선변화연구 I, 해안절벽의침식과후퇴." 7 : 148-156, 2002

9 "천수만층의형성과진화." 16 : 222-231, 1995

10 "연안해역지형측량보고서" 56-, 1977

11 "서해연안침식현황과모니터링체계구축." 1-45, 2005

12 "서산만조간대퇴적상및퇴적구조에관한연구. 석사학위논문" 서울대학교 55-, 1986

13 "서산AB 지구간척지개발조사보고서. 109 p." 1979

14 "stratigraphy and preservation of intertidal depodits in the Minas Basin system Bay of Fundy. Journal of Sedimentary Petrology" 245-260, 1981

15 "Tidal flats sediments and their environment of deposition in the Wash. Quarternary Journal of Society in London" 209-241, 1965

16 "Seasonal variation of sedimentary processes in a semi-enclosed bay" 56 : 481-492, 2003

17 "Processed of sea cliff and platform erosion. In Handbook of coastal processes edited by Momar" CRC Press 233-265, 1983

18 "Procedures in sedimentary Petrology edited by Carver" 49-67, 1971

19 "Petrology of sedimentary rocks. Hemp-hills's" 170-, 1968

20 "Near-shore erosion on a cohesive shoreline." 122 : 349-456, 1995

21 "Mechanisms of coastal cliff retreat and hazard zone delineation in soft flysch deposits. Journal of Coastal Research" 663-680, 1994

22 "Managing localized erosion of coastal bluffs. In Proceedings of coastal zone '80 edited by American Society of Coastal Engineering" 19801883-1898.

23 "Layered sediments of tidal flats and shelf bottoms of the North Sea. In" 1967191-206.

24 "Intertidal flat sediments and characteristic sedimentary structures in the Changgu Bay west coast of Korea. The Journal of the Oceanological Society of Korea" 43-49, 1985

25 "Event timing and sequence in coastal shoreline erosion Hurricanes Bertha and Fran and the Neuse Estuary." 15 : 1999

26 "An introduction to coastal geomorphology. Routledge" 260-, 1984

27 "An introduction to coastal geomorphology" . Australian National University Press 372-, 1984

28 "A study on erosion of coastal cliffs by using aerial photographs. Coastal Engineering in Japan" 67-84, 1967

29 "A study in the significance of grain size parameters. Journal of Sedimentary Petrology" 3-26, 1957