The Formation of Geographical Landscape in Anji County, Zhejiang Province

Anji County, located in the hinterland of the Yangtze River Delta, is a municipal county in Huzhou City, Zhejiang Province, and is adjacent to Changxing County, Wuxing District, Deqing County, Yuhang District, Lin 'an City, Ningguo County and Guangde County in Huzhou City, Zhejiang Province. The area is11914 ′ ~19 53 ′, and the north latitude is 30 23 ′ ~ 30 53 ′, with an area of 1885.5438+0.

The Tianmu Mountain Range enters from the southwest and is divided into two branches, east and west, which surround the two sides of the county seat, showing a "dustpan-shaped" convergence basin topography surrounded by mountains on three sides, with a middle depression and an opening in the northeast. The terrain is high in the southwest and low in the northeast. At the southern end of the county seat, Mount Wang is the highest mountain in China, with an altitude of1587.4m, and the highest peak in northern Zhejiang. Mountains are distributed in the south, east and west of the county seat, hills are distributed in the middle, posts are distributed in the north-central part, and plains are distributed on the floodplains on both sides of Xitiaoxi, accounting for 1 1.5%, 50%, 13. 1% and 25.4% respectively.

river system

The main water system in Anji County is Xitiaoxi. Its upstream Xixi and Nanxi meet in Tangpu Changtan Village, forming the main stream of Xitiao River, and then obliquely passing through the county from southwest to northeast, leaving the county at the mouth of Xiaoxikou. Along the way, Longwangxi, Huxi, Li Xi, Hunni Port and Xiaoshu Port converge. The drainage area in Xitiaoxi County is 1806 square kilometers, and the total length of the main stream is 1 10.75 kilometers. After leaving the county, it flows through Changxing and Huzhou into Taihu Lake and then into Huangpu River.

climate

Anji has a pleasant climate and belongs to subtropical maritime monsoon climate. The general characteristics are: abundant sunshine, mild climate, abundant rainfall and distinct seasons, which are suitable for the growth of crops. Anji has a beautiful environment, with 366 days in 20 12 and 349 days in our county with excellent ambient air quality. The air quality reached the national second-class standard, and the air quality in mountainous areas and scenic spots reached the national first-class standard. The water quality of drinking water sources meets or exceeds the national third-class standards.

In 20 12, the general climate situation is that the average temperature is high and the rainfall, rainy days and sunshine are normal. The months with higher average temperature are concentrated in spring and summer; The extreme minimum temperature in 20 12 years is close to the historical extreme maximum temperature. The annual precipitation is normal, but the monthly precipitation fluctuates greatly. More than half of normal months have sunshine all year round, and the sunshine is stable all year round, which is close to the historical average.