特集「山地斜面におけるパイプ流の実態と斜面崩壊,地形変化に及ぼす影響」によせて(<特集>山地斜面におけるパイプ流の実態と斜面崩壊,地形変化に及ぼす影響)

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This special issue is a product of the JGU symposium on 'Effects of pipeflow on landslide initiation and geomorphic evolution on hillslopes' held in the JGU Fall Meeting on 15 September 2000 at Chuo University, Tokyo. A chain of connected macropores is commonly found in slopes, ranging from subarctic wetland and boreal forest to tropical rain forest and semi-arid land. These macropores are commonly referred to as 'soil pipes' and concentrated subsurface flow of water in these natural soil pipes is called as 'pipeflow'. It has been considered that pipeflow in forest soils has important implications for such issues as runoff generation, landslide prediction, geomorphic change and stream chemistry. Since the 1980' s, several field studies of pipeflow hydrology have been conducted in Japanese forested, steep headwater catchments. However, it has been considered that adequate information is lacking with regard to questions as to how representative these previous studies are and how widespread the phenomena might be. Thus, the purpose of this symposium was to highlight some of the recent and ongoing studies from variety of catchments and soil pipe characteristics. Ten topics were presented: (1) three topics were related to 'pipe erosion and relation to geomorphic change', (2) four topics were related to 'effects of pipeflow on runoff generation', and (3) three topics were related to 'effects of pipeflow on landslide initiation'.
日本地形学連合の論文
2002-10-25

特集「山地斜面におけるパイプ流の実態と斜面崩壊,地形変化に及ぼす影響」によせて(<特集>山地斜面におけるパイプ流の実態と斜面崩壊,地形変化に及ぼす影響)

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