地表環境の変動と湖沼堆積物情報の解析(<特集>環境同位体の利用と地形学)

概要

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Landform changes in lake-catchment systems may give a great insight into clarifying the relationship between geomorphic processes and geomorphic histories. Tracers and dating tools for mass movement (physical properties, Cs-137 and Pb-210_<exe>) are inevitable in these studies ; changes in physical properties and Pb-210_<exe> concentration of sediments are closely related to geomorphic changes, Cs-137 concentration in surface layers is connected to surface erosional processes and Pb-210_<exe> and Cs-137 of lake sediments are available for sediment dating. Short-term observation and analyses in the systems reveal some relationship between the processes and sediment information, suggesting clues to find long-term causal relations in landform evolutions.
日本地形学連合の論文
2003-01-25