Geographical environment of Baohe District

Baohe District is located in the middle of China (32 N,117 E), between the Yangtze River and Huaihe River, and on the shore of Chaohu Lake. It connects the Yangtze River and the sea through the Nanfeihe River, and has the geographical advantages of connecting the east with the west, connecting the Central Plains and connecting the north and the south. Baohe District is bounded by five rivers and one lake-Baohe River, Nanfeihe River, Shiwuli River, Tangxi River and Paihe River, with Chaohu Lake in the south and Hefei Economic and Technological Development Zone in the west. Baohe District covers an area of 340 square kilometers, of which Chaohu Lake covers an area of 70 square kilometers. The climatic characteristics of Baohe District are: the annual average temperature 15.7 degrees, rainfall nearly 1000 mm, sunshine more than 2 100 hours. Four distinct seasons, mild climate, moderate rainfall, changeable temperature in spring, fresh air in autumn, obvious plum rain and concentrated summer rain. Spring: Frequent cold and warm air activities often lead to sunny and rainy weather, which is complicated and changeable. Summer: the longest season, hot weather, concentrated rainfall and high rainfall intensity. Rainfall is mainly concentrated in the rainy season from May to June. Autumn: The season is the shortest, the temperature drops quickly and there are many sunny days. Winter: The weather is colder, with less rain and snow and more sunshine.