What season is the junction of Keshan Mountain and Baiquan Temperate Zone?

The geographical coordinates of Keshan county are e12510 ′ 57 ″-1268 ′18 ″ and n4750 ′ 51″-4833 ′ 47 ″. Keshan County is located in the northern part of Songnen Plain, the transitional zone between the southern foot of Xiaoxing 'anling and Songnen Plain. The northern and central parts are hilly and hilly areas, and the terrain fluctuates greatly. The southern part is alluvial plain with flat terrain. The terrain of the county is high in the northeast and low in the southwest, and it is divided into low hills, hills on the edge of hills, floodplains, alluvial plains and flood plains. The average elevation in the territory is 236.9 meters, with the highest point of 38 1.7 meters and the lowest point of 198.7 meters. Keshan county belongs to the continental monsoon climate of cold temperate zone, with an average annual temperature of 2.4℃, with the same season of rain and heat, with rainfall concentrated in June, July and August and an average annual precipitation of about 500 mm; The annual average wind speed is 4m/s. Due to the low air pressure in Mongolia, it is windy from early April to early June and late September every year, and the maximum wind power can sometimes reach 8.

Keshan County borders Baiquan County in the south. The geographical coordinates of Baiquan County are125 30 ′ east longitude to126 31′ north latitude 47 20 ′ to 47 55 ′. Located in the middle and high latitudes, on the east coast of Eurasia. Its geographical climate belongs to the mid-temperate continental monsoon climate, with little rain.

Keshan and Baiquan are connected to the north and south, and the south side of the junction belongs to the continental monsoon climate zone in the middle temperate zone and the north side belongs to the continental monsoon climate zone in the cold temperate zone. Therefore, the junction of Keshan and Baiquan is the dividing line between the cold temperate continental monsoon climate zone and the middle temperate continental monsoon climate zone. But they all belong to the two-season temperate zone (that is, the north temperate zone).