How far is Shunyi District of Beijing from the urban area?

Shunyi is located in the northeast suburb of Beijing, 30 kilometers away from the city center, with latitude 40 00'-4018' and longitude116 28'-16 58'. It is adjacent to Pinggu in the east, Huairou and Miyun in the north, Changping and Chaoyang in the west, and Tongzhou District and sanhe city in Hebei Province in the south. The area is 45 kilometers long from east to west and 30 kilometers wide from north to south, with a total area of 1020 square kilometers.

Located at the southern foot of Yanshan Mountain and the northern end of North China Plain, it belongs to the lower segment of alluvial fan of Chaobai River. The plain area accounts for 95.7%. The terrain is high in the north and low in the south, with a slope of 6/ 10000. The highest point in the northern mountainous area is 637 meters above sea level, and the plain is 25-45 meters above sea level, with an average elevation of 35 meters. There are more than 20 large and small rivers in the territory, which belong to three major water systems: North Canal, Chaobai River and Jiyun Canal, with a total length of 232 kilometers and a total runoff of 65.438+0.7 billion cubic meters. The average annual consumption of surface water is 43 million cubic meters, and the average annual exploitable groundwater resources are about 400 million cubic meters, providing 200 million cubic meters of domestic water for Beijing urban area every year. Climate belongs to warm temperate semi-humid continental monsoon climate, with annual average temperature 1 1.5℃, 1 monthly average temperature of 4.9℃, and minimum temperature-19.1℃; The average temperature in July is 25.7℃, and the highest temperature is 40.5℃ ... The annual sunshine is 2750 hours, and the frost-free period is about 195 days. The annual average relative humidity is 50%, and the annual average rainfall is about 625mm. It is one of the relatively balanced precipitation areas in North China, with 75% of the precipitation concentrated in summer. The total land area is 6.5438+0.37 million mu, and the cultivated land is 845,000 mu, including 600,000 mu of grain fields, 65,000 mu of fruit forests and 30,000 mu of fish ponds. China's proven mineral resources include coal, peat, marl, sandstone and clay, of which the reserves of coal and marl are 230 million tons and more than 8 million tons respectively, and the reserves of peat, marble and sandstone are 65.438+0 million, 9 million and 65.438+0 billion cubic meters respectively.