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Shenyang is located in the middle of Liaohe Plain, bordering the hills and mountains of Liaodong in the east and the hills of northern Liaoning in the north. The terrain is gradually open and flat to the west and south, from the piedmont alluvial plain to the large alluvial plain. The terrain is from northeast to southwest, and both sides are inclined to the middle. The highest point is Shiren Mountain in Laoshigou, Magang Township, Xinchengzi District, with an altitude of 44 1 m; The lowest place is Zuojia Village in front of Yujiafang in Liaozhong County, with an altitude of 5 meters. The highest in the city is located in Dadong District, 65 meters above sea level; The lowest is Tiexi District, 36 meters above sea level. Huanggu District, Heping District and Shenhe District are slightly undulating with a height of 41.45m.. Dongling district is hilly and mountainous; The new town is located in some hills and mountains in the north of the area, and gradually flattens to the south; Except for some hills and mountains in the south, most areas in Sujiatun District are alluvial plains, just like flood areas. Xinmin and Liaozhong counties are mostly alluvial plains of Liaohe and Hunhe rivers, with a few swamps and sand dunes, and some hills are scattered in the north of Xinmin County. The hilly area of the city is 1020 square kilometers, accounting for 12% of the total area of the city. The piedmont alluvial-diluvial slope plain is distributed in the western slope of the eastern mountainous area and gradually extends to the southwest.

The mountainous hills in Shenyang are concentrated in the northeast and southeast, belonging to the extension of Liaodong hills. The western part is the alluvial plain of Liaohe River and Hunhe River, and the terrain is slowly inclined from east to west. The highest altitude in the city is 447.2 meters, which is in Faku County. The lowest altitude is 5.3 meters, Yujiafang Town, Liaozhong County. The eastern part of Shenyang is low mountains and hills, and the central and western parts are vast plains. Inclined from northeast to southwest, with an average elevation of 30-50 meters.

Climate type

Shenyang is located in a warm temperate zone with a semi-humid monsoon climate. In spring, the temperature rises rapidly, the sunshine is abundant, the wind is strong, the relative humidity is low, the precipitation variability is large, the evaporation is large and the air is dry; Summer is hot, rainy and humid; Autumn is short and the temperature drops quickly. As can be seen from the table, the climate of the four seasons is distinct, and the annual average temperature changes greatly.

Hydrological conditions

There are 27 rivers in the city, which belong to Liaohe River, Hunhe River, Raoyang River, Liuhe River, Puhe River, Yangyimu River, Beishahe River and Xiushui River. The total water resources are 3.26 billion cubic meters, including surface water11400,000 cubic meters and groundwater 21200,000 cubic meters.

natural resource

As an important industrial city in China, Shenyang is rich in coal, oil, natural gas, iron ore and other natural resources, and the surrounding seven cities are also rich in steel, coal, chemical fiber, grain and other resources, with a solid industrial base and strong comprehensive supporting capacity. There are two large coalfields in Shenyang, with total proven reserves of 65.438+0.8 billion tons. Shenyang has proven oil reserves of 300 million tons, drilled 3 oil wells, and produced more than 0/000 tons of crude oil per day. Shenyang has an iron ore reserve of 25 million tons. In addition, there are mineral resources such as aluminum, granite and clay, which can be used for construction and comprehensive utilization.

Within the radius of 150km with Shenyang as the center, there are Anshan, Fushun, Benxi, Fuxin, Panjin, Dandong, Liaoyang and Tieling, which are famous steel cities, coal cities, coal and iron cities, coal and electricity cities, textile cities, chemical fiber cities and grain and coal bases in China, forming an urban agglomeration and economic zone in central Liaoning with a population of 24 million.

Shenyang is located at the intersection of Changbai flora, Mongolian flora and North China flora, with rich plant species, including about 779 seed plants belonging to 98 families and 37 1 genera, and the largest family is Compositae. * * * There are 85 species of plants, including more than 20 families including Cyperaceae, Rosaceae, Leguminosae, Polygonaceae, Labiatae, Liliaceae and Ranunculaceae. There are 384 species of plants in these families, accounting for 49.3% of the total number of seed plants in Shenyang. There are 23 geographical elements in this flora, mainly temperate. It accounts for 89.3% of the geographical composition of Shenyang urban area. According to the occurrence and function of vegetation and the role of constructive species, the urban vegetation in Shenyang city is divided into three major vegetation types, 14 vegetation groups and 57 vegetation types.

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