The first line of Huaihe River irrigation canal in northern Jiangsu, which runs through Huai 'an city, is the dividing line between warm temperate zone and subtropical zone in China. Affected by the monsoon climate, the four seasons are distinct, the rainfall is concentrated, and the rain and heat are in the same season. In winter, Leng Xia is hot, and the temperature in spring is changeable. In autumn, the air is crisp, the light energy is sufficient and the heat is abundant. The total annual solar radiation in the city is between 1 10 kcal/cm2-1 19 kcal/cm2, and the distribution in the city is more in the north and less in the south. The annual sunshine hours in the city range from 2 136 hours to 24 1 1 hour, and the distribution of sunshine hours is more in the north and less in the south.
Huaian city, rivers and lakes, water network. Nine rivers, including Beijing-Hangzhou Grand Canal, Huaishuxin River, Subei Irrigation Canal, Huaihe River Estuary, Abandoned Yellow River, Liutang River, Yanhe River and Huaihe River Main Stream, run through the territory.
Most of Hongze Lake, one of the five largest freshwater lakes in China, is located in the city, and other small and medium-sized lakes such as Baima Lake, gaoyou lake and baoying lake are embedded in it. The plain area accounts for 69.39% of the total area, the lake area accounts for 1 1.39%, and the hilly area accounts for 18.32%. It is a typical "plain water town".
Huai' an introduced:
Huaian is located in the north-central part of Jiangsu Province, east of Jianghuai Plain. Located in the Yangtze River Delta, it is an important central city in northern Jiangsu and a city in Nanjing metropolitan area. Hongze Lake, the fourth largest freshwater lake in China at the intersection of the ancient Huaihe River and the Beijing-Hangzhou Grand Canal, is a national historical and cultural city, a national health city, a national garden city, a national environmental protection model city, a national low-carbon pilot city and an excellent tourist city in China. Yangzhou and other places are the main cradles of Huaiyang cuisine, and also one of the cradles of ancient culture in the Jianghuai Valley.
Huaian has a history of more than 2200 years. The Qin Dynasty is located in this county, and there is a famous "Qingliangang Culture" site in the territory. It used to be the hub of grain transportation and salt transportation, with the governor's office of grain transportation and the governor's office of Jiangnan River. Historically, Yangzhou, Suzhou and Hangzhou have been called the "four metropolises" along the canal and have the reputation of "China Canal Capital".
Huai 'an is located in the core area north of the Yangtze River in Jiangsu Province, adjacent to the coastal waters along the Yangtze River. It is the main artery of north-south traffic and has a unique geographical advantage. It is an important transportation hub in Jiangsu Province and a regional transportation hub in the northern part of the Yangtze River Delta. Huaian is full of humanistic atmosphere. Han Xin, a great strategist, Mei Cheng, a master of Han Fu, Liang Hongyu, the heroine of The Journey to the West, Guan Tianpei, a national hero, and Liu E, the author of Travel Notes of Lao Can, were born in history.