【摘要】 河流塌岸是严重影响国土资源、群众生命财产安全的重要地质灾害之一。研究区位于乌苏里江下游的抚远县,属塌岸地质灾害多发区。通过对2012年资源一号02C数据和2005年的SPOT-5数据进行岸线侵蚀地段提取并进行实地验证,共发现中度侵蚀岸段11处,长176.6m;轻度侵蚀岸段2处,长11.5m。主要集中在乌苏里江河道裁弯取直地段,如四合村、海青乡、抓吉镇和通乡江等附近。并列举塌岸类型及资源一号02C数据影像特征,总结塌岸产生原因。更多还原

【Abstract】 The bank collapsing is one of the serious geological disasters,which pose a significant threat to territorial resources and security of people’s life and property.Located in Fuyuan County,the lower reaches of Wusuli River is a frequency-occurring district of bank-collapsing calamity.By collecting the satellite data from Resourcessat-1 02 Cand SPOT-5in 2005 on bank erosion and by validating on the spot,there are 11 moderate-erosion band sectors,176.6 meters long,and 2 mild-erosion bank sectors,11.5meters long,whose majority is located in Wusuli River cutoff districts,like Sihe Village,Haiqing township,Zhuaji Township and Tongxiang River and the like.The paper enumerates the types of collapsed bank and the image-data traits of Resourcessat-1 02 C,and sums up the causes.更多还原