サ-マルカメラによる1997年7月斜面崩壊の調査 : 出水市針原地区と長崎市北陽町を対象として

概要

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The heavy rain in June and July of 1997 caused some natural disasters in various places in Kyushu Island. Among these disasters the slope failure yielding the debris flow of July, 10 at Harihara area in Izumi City, Kagoshima Prefecture and the slope collapse of July, 19 at Hokuyo Town in Nagasaki City were dealt with in this study. To investigate the causes of these slope failures the authors surveyed these areas by using a thermal camera, a spectral photometer and an elastic wave prospecting method. Investigation was carried out also to find out the relationship between the slope failures at Harihara area and the earthquake occurred before three months at north-west part of Kagoshima Prefecture. As a result of this investigation, it was found that there was a relationship between the slope failure of Harihara area and the earthquake, while the surface temperature of Hokuyo area slope failure was very different from other areas.
長崎大学の論文