The natural environment of Jiangchang Town

Jiangchang Town is located in the middle of Hubei Province, in the north of Jianghan Plain, and on the north bank of the lower reaches of Hanjiang River. The highest point is Fozi Mountain, with an altitude of191.5m; The lowest point is Chenjiazhou in Duoxiang Town, with an altitude of 23.2 meters. It is adjacent to Hanchuan City in the east, Shayang County in the west and Qianjiang and Xiantao City across the Han River in the south. Jingshan county in the north, Zhongxiang in the northwest and Yingcheng in the northeast. The horizontal distance from east to west is 85km, and the longitudinal distance from north to south is 58km at the widest point and14km at the narrowest point. The city covers an area of 2,622 square kilometers, accounting for 1.4% of the whole province. The northern edge of Jiangchang Town is connected with the low mountains of Dahongshan, surrounded by Hanshui River in the west and south, and surrounded by mountains and waters, showing the shape of dragons and tigers. The whole terrain inclines from northwest to southeast, forming three landforms: low hills, hills and plains, and rivers and lakes, each accounting for 65,438 0.3%, 22.5% and 76.2% of the total area. The highest elevation of low hills 19 1.5m (Fozi Mountain) is the main forest area in this city. The columnar plain is 35-60 meters above sea level and is a concentrated rice producing area; Rivers and lakes are 28-34 meters above sea level and mainly produce cotton, oilseeds and wheat. Tianmen is one of the important grain, cotton and pig sacrifice and freshwater breeding bases in China.

Jiangchang town is located in the north subtropical monsoon climate zone, and the influence of monsoon climate is particularly significant. It is warm in spring, hot in summer, cool in autumn and cold in winter, with four distinct seasons and abundant rainfall. Due to the great changes in annual precipitation and weather, floods and droughts occur from time to time, especially floods, which seriously affect industrial and agricultural production. Jiangchang Town is rich in light energy resources, with annual sunshine hours of 4,426.8 hours, actual annual average sunshine hours 1966.2 hours and annual average sunshine percentage of 45%, which can basically meet the needs of crops. The annual average temperature in Jiangchang Town is 16.2℃. The temperature changes sharply in spring and autumn. Generally, 65438+ 10 is the coldest month. Taking Jingling as an example, the extreme minimum temperature is-17.2℃ (1955.438+0.26). July is the hottest, with an extreme maximum temperature of 38.7℃( 197 1.7.26). The frost-free period is 256 days. The annual average precipitation 1 10 1.4 mm, the highest in summer, with an average of 474mm；; Winter is the least, with an average of 98.4 mm, and the annual precipitation is slightly more horizontally distributed in the southeast than in the northwest. Rainstorms are mostly concentrated in May-August, and the most frequent is July, accounting for 29% of the annual rainstorm days. The rainfall here is the largest and the intensity is high, which often causes serious floods. Urban construction and residential land of 25,260.30 hectares; Traffic facilities and road construction land 6445. 18 hectares; Other land occupied 1582.42 hectares, with 6780.93 hectares of unused land.