新疆天山冰川区动力过程的空间分布特征

SPATIAL DISTRIBUTION CHARACTERISTICS OF GLACIAL-DYNAMIC PROCESS IN THE TIANSHAN MOUNTAINS,XINJIANG

冰川环境中的动力过程种类多且复杂。一般冰底以挤压、磨蚀等过程为主 ,其它部位则是以斜坡、塌积、坠落、流水、寒冻风化等过程最多。前者能真正反映冰川动力过程的本质。地貌全过程 (侵蚀、搬运、堆积 )中 ,堆积过程控制着冰碛的构造、层序。

The dynamic procss in glacial environment is characterized multiple types and complexity, Grenerally the squeeze and abrasion processes develop at the glacial sole, and the processes of slope, slide deposition, drop deposition, feuvial process, freezing weathering ,etc. occur at other places. The former can really reflect the nature of the glacial dynamic process. In all the landform processes(erosion, transport and depostion), the deposition process controls the structure, stratigraphic succession, fabric and facies models of tiee.