The physical geography of Shentou Town

Shentou Town is located in the alluvial plain of the Yellow River in northwest Shandong, spanning east longitude 116 ° 27 ˊ , — 116 ° 57 ˊ , and north latitude 37 ° 13 ˊ , — 37 ° 36 ˊ . The territory is wide and the terrain is flat. The ground height is between 24 and 13 meters above sea level, and the slope is between 1/7000 and 1/12500.

The soil in Shentou Town is divided into two categories: fluvo-aquic soil and saline soil. Fluvo-aquic soil is distributed in Shentou Town, and the phreatic depth is generally 1 to 3 meters. The soil layer has good texture and strong leaching effect, making it suitable for the growth of various crops. Saline-alkali soil is mainly distributed in Lingxi Dawa, northern Songjia Town, northern Mi Town, Lingcheng Town, Zhengzhai Town and other places. According to the surface texture, it is divided into two categories: loamy soil and sandy soil. Shentou Town has a mild climate, concentrated rainfall, sufficient sunshine, and four distinct seasons. It has a warm temperate semi-arid continental monsoon climate. The weather is dry in spring, with less rain and more wind and sand; in summer, southerly wind prevails, and it is hot and rainy; in autumn, the weather is sunny and cool, with moderate temperatures; in winter, northwest wind prevails, and it is cold and dry. The annual average temperature is 12.5 ℃, the average annual frost-free period is 202 days, the stable accumulated temperature is generally between 4000 and 4250 ℃, the annual sunshine hours are 2679.9 hours, and the annual sunshine rate is more than 60%.