CAJ | 학술논문

以甘肃南部白龙江流域武都区段为例,判识孕育松散堆积物的特殊地层岩性,遴选出对地层岩性敏感的波段,并采用最大似然分类方法,解译、提取松散堆积物.结果显示：风化基岩、黄土的面积分别为657.48,1180.95 km2,两者占武都区总面积的39.68%；在松散堆积物密集分布区,已发生灾害272处,灾害点占武都区总灾害点的54%,在强降雨条件下,灾害易发性较大.
이감숙남부백룡강류역무도구단위례,판식잉육송산퇴적물적특수지층암성,린선출대지층암성민감적파단,병채용최대사연분류방법,해역、제취송산퇴적물.결과현시：풍화기암、황토적면적분별위657.48,1180.95 km2,량자점무도구총면적적39.68%；재송산퇴적물밀집분포구,이발생재해272처,재해점점무도구총재해점적54%,재강강우조건하,재해역발성교대.
Wudu, which is located in Bailong River catchment, was selected as the study area to identify the lithology that can produce loose material sediments, select better wavelengths that are sensitive to lithology and interpret loose materials by using maximum likelihood classification. The results indicated that the area of weathered bedrock and loess is 657.48 and 1 180.95 km2, occupying about 39.68% of the total Wudu area. In regions with rich loose material sources, 272 debris flow events had occurred before, accounting for 54% of the total number of debris flow events in Wudu District, and such regions are much more prone to debris flows when three is a heavy rainfall.