인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
개인구독
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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
In order to clarify the depositional environment and sea-level change at Ilsan area including Gawaji- and Saemal valley plains, which is located at the right side in downstream of the Han River, boring data, radiocarbon dating and diatom analysis were comprehensively investigated. As a result, the palaeogeographies of this area altered by the transgressions and regressions after 7,000 y. BP could be restored. The high tide sea-level(mean high water level of spring tide) was arrived ca. 7,000 y. BP at the valley plain and risen to ca. 5.5m at ca. 5,000 y. BP. Since then, the sea-level was kept up the same level to ca. 3,200 BP. The descended sea-level to ca. 2,300 BP was risen up to ca. 5.8m in ca. 1,800 y. BP. It is presumed that such a sea-level change as well as the different sediments in quantity supplied from the river basin of the valley plain could be effected to change diversely the depositional environment of the study area and eventually to the prehistoric human life.
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참고문헌
참고문헌 신청최근 본 자료
UCI(KEPA) : I410-ECN-0101-2009-981-012145252