Why does it rain so much in Mao Mao in winter in Liupanshui?
& ltbr & gt The urban boundary structure belongs to the Yangtze platform fold belt on the Yangtze paraplatform. Weining-Shuicheng fold fault bundle, southwest Guizhou fold fault bundle, early ancient arch fold fault bundle and south Guizhou fold fault bundle in the Yangtze platform fold belt (secondary structure) located on the Yangtze paraplatform (primary structure) are located at the westernmost edge. The terrain is high in the west and low in the east, high in the north and low in the south, and the central part is strongly cut and eroded by the Beipanjiang River, with severe ups and downs. Generally, the altitude is between 1400 ~ 1900 meters. The highest point on the ground is Jiucaiping, Ertang Township, Zhongshan District, with an altitude of 2900.3 meters, which is also the highest point in Guizhou Province. The lowest point is the valley in the north of Mao Kou Township, Liuzhi Special Zone, with an altitude of 586 meters. The relative height difference is 23 14.3 meters ... The landform landscape is mainly mountainous and hilly, and there are other landform types such as basins, mountainous plains, plateaus and terraces.
& ltbr & gt There are 8 types of soil, including yellow loam, mountain yellow brown loam, mountain scrub meadow, calcareous loam, purple loam, paddy loam and swamp loam, which are divided into 24 subtypes, 74 soil genera, 14 1 soil species. The soil area is 9.3303 million mu, accounting for 62.74% of the total land area. Yellow soil is zonal soil in China, covering an area of 4,223,200 mu, accounting for 50.62% of the total soil area.
& ltbr & gt This city belongs to the humid climate zone of the north subtropical monsoon, which is affected by low latitude and high altitude, with warm winter and cool summer and pleasant climate. Annual average temperature 13 ~ 14℃, monthly average temperature 13 ~ 6.3℃, and July average temperature 19.8 ~ 22℃. The annual precipitation is 1200 to1500mm. The frost-free period is 200 to 300 days. Due to the large terrain fluctuation, the climate difference in some areas is obvious. The city's total water volume is about1421800 million cubic meters, of which the average annual flow of surface water is 6.4 billion cubic meters, the average annual flow of underground water is 5.268 billion cubic meters, and the surface water (excluding river water) is 2.55 billion cubic meters.
& ltbr & gt Liupanshui City is located in the watershed between the Yangtze River and the Pearl River. The water dividing line is the ridge of the eastern branch of Wumeng Mountain and the ridge of the western end of Miaoling Mountain, extending from the paper mill, Chengguan, Baiyi, Luanba, Douqing and Lengba in Shuicheng City to Laomadi Mountain and Miaoling in Liuzhilang Boundary Dam, and then to Liuzhi and Mugang. North of the watershed is the Yangtze River system, with Sancha River in the upper reaches of Wujiang River as the main stream, distributed in the northern part of the city. The southern part is the Pearl River system, the northern Panjiang River is the main stream, which traverses the central part of the city from west to east, and the tributaries of Nanpanjiang River are distributed on the southern edge of the city. There are 43 rivers in China with the length exceeding 10 km, including 9 Yangtze River and 34 Pearl River. The surface river network is characterized by deep valley, narrow riverbed, rapid flow and large drop.
& ltbr & gt The geographical environment is complex, with diverse vegetation species, mixed distribution and obvious geographical differentiation. Natural vegetation includes coniferous forest, broad-leaved forest, bamboo forest, shrub, swamp and aquatic vegetation; Zonal vegetation is subtropical evergreen broad-leaved forest. The vegetation in the east is humid subtropical evergreen broad-leaved forest; Monsoon forest, a valley with tropical vegetation in the south; The vegetation in the west is subtropical semi-humid evergreen broad-leaved forest. The horizontal distribution of vegetation shows the characteristics of north-south transition and east-west transition. Because of the great difference in altitude in China, the vertical distribution characteristics of vegetation are also obvious. The primary vegetation in the territory is seriously damaged, and most of the existing vegetation is secondary vegetation. The forest area is 508,600 mu, the irrigated forest area is 6 1.45 million mu, and the forest coverage rate is 7.55%.