Jiashan is located on the southeast side of the Yangtze River Delta in China, at the intersection of Jiangsu, Zhejiang, and Shanghai. It is the first stop for Zhejiang Province to connect with Shanghai. It has a total area of ??506.6 square kilometers and jurisdiction over 11 towns. As of 2007 By the end of the year, the county's permanent population was approximately 700,000 (380,000 local residents and 310,000 foreign permanent residents). The water network in the territory is intertwined and the products are abundant. The people are simple and honest, and ancestors have lived here six thousand years ago. It is known as a land of fish and rice, a home of silk, and a country of culture.
Jiashan, with its beautiful environment and developed economy, is one of the first batch of coastal counties (cities) open to the outside world and one of the “Top 100 Counties (Cities) in Comprehensive Rural Strength in China”. Since the reform and opening up, Jiashan's economy has continued to develop rapidly. The modern agricultural three-color industrial belt with Jiashan characteristics has injected vitality into traditional agriculture; wood industry, electronics and electro-acoustics, mechanical hardware and textile clothing have become leading industrial industries and characteristic industries; the protection and development of the ancient town of Xitang has attracted people at home and abroad A large number of tourists come here in droves, making it a highlight of cultural tourism.
Jiashan, facing the world, has determined the development goals of "an economically strong county, a famous cultural county, and a modern new city", based on the rich historical and cultural heritage, the characteristics of Jiangnan water towns and the humanistic environment that combines modern civilization. , and strive to build Jiashan into a suburban agricultural and sideline products processing base, an export-oriented industrial production and processing base, and a waterside pastoral leisure and vacation base, and become an industrial and trade-oriented, modern inter-provincial border "window" city with a beautiful environment.
Physical Geography
Jiashan County is located in the Hangjiahu Plain in the Taihu Lake Basin. It is located in the northeastern part of Zhejiang Province and at the intersection of Jiangsu, Zhejiang and Shanghai, with east longitude 120°44′22″-121 °1′45″, north latitude 30°450′36″—31°1′12″. The outline of the territory is in the shape of a field, bordering Qingpu and Jinshan Districts of Shanghai to the east, Pinghu City and Xiucheng District of Jiaxing City to the south, Xiuzhou District of Jiaxing City to the west, and Wujiang City of Jiangsu Province and Qingpu District of Shanghai to the north. The total area of ??the county is 507.68 square kilometers (detailed county land survey), of which land accounts for 85.71% and water accounts for 14.29%. Weitang Town, the county seat, is 90 kilometers away from Shanghai in the east, 110 meters from Hangzhou in the west, 35 kilometers from Zhapu Port in the south, and 91 kilometers from Suzhou in the north. It is located in the center of the Yangtze River Delta. The terrain is high in the south and low in the north, with an average elevation of 3.67 meters (Wusong elevation).
The east-west flowing rivers in Jiashan County include Taihe Jinggang, Dazhai River, Weishui Port, Hehui Port, Xietang, and the north-south Lucuxutang and other rivers flowing through the town. They are the West River. The main flood discharge channel of Dongxie. Fen Lake is the "Hushen B Line" waterway from Huzhou to Shanghai.
Fen Lake
Fen Lake is located at the junction of Jiashan, Zhejiang and Wujiang, Jiangsu. It is 6 kilometers long from east to west and 3 kilometers long from north to south. Half of it belongs to Zhejiang and half to Jiangsu. Fen Lake was called Fen Lake in ancient times and was the dividing lake between Wu and Yue during the Spring and Autumn Period and the Warring States Period. The total area is 9,700 acres.
Jiashan is located in the East Asian monsoon zone on the southern edge of the North Subtropical Zone. It has four distinct seasons, is mild and humid, has sufficient sunlight, abundant rainfall, and a long frost-free period, making it suitable for crop growth. However, it is located in the coastal mid-latitude zone and has obvious climate changes. It is characterized by wet spring, hot summer, dry autumn and cold winter. The main disastrous weather includes heavy rain, continuous rain, drought, cold wave, heavy snow, heavy fog, high temperature and typhoon.
The average temperature over the years is 15.8℃, January is the coldest, the monthly average temperature is 3.7℃, and the extreme minimum temperature is -10.8℃, which occurred on January 31, 1977; July is the hottest, with the monthly average temperature 27.8℃ , the extreme maximum temperature was 39.6℃, which occurred on July 25, 2007. In spring, the average daily temperature stabilizes and passes 10℃ on March 30; in summer, when the daily average temperature stabilizes and passes 22℃, the average first day is June 9; in autumn, when the daily average temperature falls below 22℃, the average first day is September 28 ; In winter, the average first day when the daily average temperature is lower than 10℃ is December 6. . ?
The average first frost day over the years is November 14, the last frost day is March 25, and the average frost-free period is 233.6 days. The average first freezing day is November 29, and the average annual number of freezing days is 39.
The average rainfall over the years is 1155.7 mm, with the highest rainfall of 1683.4 mm occurring in 1999 and the lowest rainfall of 695.1 mm occurring in 1978. The average annual rainfall is 138.5 days, and the maximum daily precipitation is 167.6 mm, which occurred on August 22, 1977. There are two relatively rainy seasons and dry seasons throughout the year. April to July is the first rainy season. April to May is spring rain, and June to July is plum rain. From mid-July to mid-August, it is under the control of subtropical high pressure, with high temperatures. Little rain; late August to September is the second rainy season. Affected by typhoons and cold air, the rainfall increases significantly. From October onwards, the precipitation decreases, becoming the second period of little rain. The average number of snowfall days over the years is 7.8, with the highest number of snowfall days in January, reaching 3.5 days. The maximum snow depth was 22 cm, which occurred on February 2, 2008. ?
The average number of sunshine hours over the years is 1927.3 hours. Among them, January to February are the least, with an average of less than 125 hours; July to August are the most, with an average of more than 210 hours.
The average wind speed over the years is 3.1 meters/second, and there are an average of 5.4 days of strong winds with instantaneous wind speed ≥17 meters/second per year. The maximum wind speed in the past years was 35.5 meters/second (level 12), which occurred on March 6, 1987.