Jiangsu Suqian air quality

The air quality in Suqian, Jiangsu Province is very good.

Suqian city belongs to the warm temperate monsoon climate zone, with annual average temperature 14.2℃, annual average precipitation 9 10 mm and annual average sunshine hours 229 1 hour. Excellent light and heat resources, four distinct seasons, mild climate and good air quality.

The total solar radiation is about 1 17 kcal/cm2, the annual sunshine is 227 1 hour, and the frost-free period is longer, averaging 2 1 1 day. The first frost period is generally in the late June of 10, and the first snowfall is generally in the middle of June of 12. The annual average precipitation is 892.3 mm, which has little change between years due to the influence of monsoon, but the precipitation distribution is uneven, which is easy to form spring drought, summer waterlogging and dry weather in autumn and winter.

Suqian is a typical water town in northern Jiangsu, with high northwest and low southeast, vast plains and dense river networks. The overall terrain is hilly in the southwest and northwest, and most areas are below 40 meters above sea level, with the highest elevation of 7 1.2 meters and the lowest elevation of 2.8 meters.

Suqian natural resources

The surface water resources in Suqian City are 65.438+0.3575 billion cubic meters, equivalent to the annual runoff of 65.438+0.58.7 mm, which is 65.438+0.553 billion cubic meters less than the average surface water resources for many years, including 830.6 million cubic meters of Huaihe River system, 526.9 million cubic meters of Yishu Sishui River system and 654.38 million cubic meters of groundwater resources in Suqian City.

According to the landform, the groundwater resources in the plain area are 982.8 million cubic meters, accounting for 96.8% of the groundwater resources; The amount of groundwater resources in hilly areas is 32.5 million cubic meters, accounting for only 3.2%. Suqian city is rich in mineral resources, with large non-metallic mineral reserves. The minerals that have been discovered, proved and developed mainly include quartz sand, kyanite, silica, crystal, phosphate rock and yellow sand. The minerals to be explored and mined include mica, diamonds, copper, iron, oil and potassium ores.

Reference to the above content: Baidu Encyclopedia-Suqian City