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(一)地貌甘肃地处青藏高原、内蒙古高原和黄土高原三大自然地理区的交汇处,西秦岭山地边缘,黄河上游,从东南向西北呈现明显的过渡性,是一个山地型的高原区.从地图上看为狭长状,从东南到西北长1655公里,宽25-530公里.东南部包括陇南和黄土高原的一部分,在黄河、长江流域内,气候湿润,属东部季风区;西北部包括河西走廊,气候干旱,是内陆流域的一部分,属蒙新高原区;西南部包括祁连山地、甘南高原,气候高寒,系内流河和外流河的源地,属青藏高原区.地貌的基本特点,一是地势高亢,山高谷
(I) Landforms Gansu is located at the junction of the Qinghai-Tibet Plateau, the Inner Mongolia Plateau and the three major natural geographic regions of the Loess Plateau. The edge of the Western Qinling Mountains and the upper reaches of the Yellow River show a clear transition from southeast to northwest. It is a mountainous plateau region. As viewed from the map, it is long and narrow, with a length of 1655 km and a width of 25-530 km from southeast to northwest. The southeastern part includes part of Longnan and Loess Plateau. In the Yellow River and the Yangtze River basin, the climate is humid and belongs to the eastern monsoon region. Hexi Corridor, arid climate, is part of the inland watershed, belongs to the Mongolian Plateau area; southwest including the Qilian Mountains, Gannan Plateau, climate alpine, Department of inflows and outcrops of the river origin, is the Qinghai-Tibet Plateau. First, high-pitched terrain, high mountains and valleys