The map of Tongliao is shaped like a hammer.
The map of Tongliao is shaped like a hammer, standing upside down in the west of the two provinces of Geely and Liaoning. The main body of Tongliao City is located in Horqin, which is the famous Horqin Prairie in history. The Empress of Xiaozhuang, Seng Gelinqin Gada Meilin Hometown, the seat of Horqin District, the main urban area of ??Tongliao City, and the peripheral Horqin Left Wing Middle and Back Banners are all located in this birthplace of Mongolian regional culture. The slender protruding part is due to the Zalut Banner. Although the flag is located close to the main urban area of ??Tongliao City, the flag However, the central and western regions under its jurisdiction are outstanding.
Tongliao City is located on the slope of the Mongolian Plateau descending from the Liaohe Plain. The general outline of the landform is high in the south and north, low and flat in the middle. The north is the stony mountains and hilly areas of the southern foothills of the Greater Khingan Mountains, with an altitude of 400- 1,300 meters, accounting for 22.8% of the city's area. The highest peak is Tunter Peak in Hanshan Mountain, with an altitude of 1,444 meters.
The southern part is the loess hills and shallow mountainous areas of the western Liaoning Mountains, with an altitude of 550-730 meters, accounting for 7.0% of the city's area; the central part is the western Liaohe River alluvial plain, with an altitude of 120-320 meters, and its edges are distributed with Fixed and semi-fixed sand marshes account for 70.7% of the city's area. The larger mountains in the city include Han Mountain, Aqima Mountain, Turji Mountain, Laodao Mountain and Qinglong Mountain.
The climate of Tongliao City
Tongliao City is located in the mid-latitudes and has a mid-temperate, arid and semi-arid continental monsoon climate. It is dry and windy in spring, hot and rainy in summer, and cool in autumn. It is short, the temperature drops quickly, frost occurs early in the north and late in the south, and the winter is long and cold with little snow. The average annual temperature is 5-6°C in the central plains, above 6°C in the south, and 0-6°C in the northern mountainous areas. The accumulated temperature of ≥10°C is 3000-3200°C south of Shandong Province, 2200-3000°C north of Shandong Province, and 1900-2200°C in the Huolin River area.
The frost-free period in the south of Shandong Province is 140-160 days, and in the north of Shandong Province, it is less than 140 days. The city's annual precipitation varies between 305 and 485 mm, with 70% of the annual precipitation concentrated from June to August. Humidity in various parts of the city is generally between 0.3-0.7. The city is rich in light energy resources, with photosynthetically active radiation of 2506-2728 MJ/m2 per year, annual sunshine hours of 2868-3111 hours, and crop growth period (April-September) of 1577-1709 hours of sunshine. The heat resources are suitable for Agriculture, animal husbandry and forestry development.
The average annual evaporation is 1817.4 mm (the diameter of the evaporation dish is 20 cm). The climate conditions are rainy and hot in the same period, which is conducive to plant growth and material transformation and accumulation. Drought, floods and windy weather are the main factors affecting agriculture and animal husbandry. , the main natural disasters in forestry production.