Palaeoflood Study Using the Slackwater Deposits in the Dong River, Korea(<Featured Articles>Turkey-Japan Joint Conference on Geomorphology)
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概要
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Slackwater deposits have been used in numerous studies to estimate the magnitude and frequency of discrete flood events. Study area is located along the Dong-river in Gangwon province, the east of Seoul, Korea. Caves are formed along the both the Dong-river banks. The results of grain-size analysis suggest that grain size (median, φ) of each layer changes according to flood events. The age of slackwater deposits by flood may be estimated more exactly based on relative age methods through the trash and the data of river water level and absolute age methods through the radioisotope ^<137>Cs. It is able to estimate the frequency and magnitude of palaeoflood using these results such as grain-size analysis, stratigraphical description and several dating methods.
- 2011-04-25
著者
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Tanaka Yukiya
Department Of Geography Faculty Of Education And Regional Studies Fukui University
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Kim Song
Department Of Geography Kyung Hee University
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Tanaka Yukiya
Department Of Geography Kyung Hee University
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Kim Song
Department Of Biological Science Kongju National University
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