Analysis of geographical and climatic background in Hotan

topography

Kunlun Mountain in the south arc spans Hotan area. The northern slope is a low mountainous area with shallow hills and canyons, while the southern slope is gentle. The highest peak of the mountain range is generally around 6000 meters above sea level, and the highest is over 7000 meters. From the foothills to the north, the Gobi is horizontally distributed, and the alluvial fan plains and oases of various rivers continue to be distributed, and the fan edge connects the Taklimakan Desert and the center of the Tarim Basin. The remnant vein of Mazatage Guyushan remains in the northwest of the northern desert area, with an altitude of 430 meters. [4]

climate

Hotan area is located in the hinterland of Eurasia, and the west and north are separated by Pamir and Tianshan Mountains, so the cold air in Siberia is not easy to enter. The Kunlun Mountains and Karakorum Mountains in the south blocked the warm and humid airflow from the Indian Ocean, forming an extremely arid desert climate in the warm temperate zone. The main features are: four distinct seasons, hot summer, cold but not cold in winter, rapid and unstable temperature rise in spring, frequent cold in late spring, windy and dusty weather in autumn, and rapid temperature drop; The annual precipitation is scarce, the sunshine is abundant, the heat is abundant, the frost-free period is long, and the temperature difference between day and night is large. [4]