国家自然科学基金41571435,61331016;高分辨率对地观测重大专项06-Y30B04-9002-13/15.本文的时间序列TerraSAR-X数据由德国宇航院提供项目COA1755,GEO0606.感谢上海地质调查研究院协助进行精度验证.The National Natural Science Foundation of China,.41571435,61331016;the High-resolution Earth Observation Systems,No.06-Y30B04-9002-13/15