主要的外力感化及其地貌(国外英文资料).doc

主要的外力作用及其地貌(国外英文资料) The main external forces and their topography External force Formed morphological form Distribution region weathering The rocks are destroyed and the debris remains on the surface, forming a weathering shell. Common (e.g. Granite spheroidal weathering) assault The corrosion As a with Wind erosion Wind erosion and abrasion, the formation of the gobi, wind erosion, wind erosion, wind erosion, etc Dry and semi-arid areas flow water assault The corrosion The erosion of To make the bottom of the rock bottom and the river bed widen, and form a v-shaped valley, to break up the slope and form a ravine and crib surface form. Red desert and stony desertification Humid, semi-humid region (case: the Yangtze river three gorges, the yellow earth plateau, the thousands of gullies, waterfalls) dissolution It forms the karst landscape such as funnel, underground river, cave, stone forest and fenglin, which is generally rugged and prone to leakage of surface water. (example: guilin landscape, road south stone forest, yao Lin wonderland) erosion It forms the ice bucket, the horn peak, the u-shaped valley, the glacial erosion plain, the glacial erosion depression (the great lakes of North America, the land of thousand lakes), etc Alpine and high latitudes of glacial distribution (e.g. Norwegian fjords, central and eastern European plains) The sedimentary As a with Glacial deposit The accumulation of moraine forms Glaciers are distributed in high mountains and high latitudes Water deposit Formation of alluvial fan (out of the pass), delta (estuary), alluvial plain (middle and lower reaches) The granule is larger than the first depositing, and the granule is small The middle and lower reaches of the mountain pass and the river (e.g., the Yellow River delta, the gangetic plain, etc.) Wind deposition Sand dunes (still sand dunes, moving dunes) and the desert edge of the loess heap Dry land and neighboring areas (e.g. Taklimakan desert, loess of loess plateau) 5 geologi