Physical geography of Yanji county

The geographical coordinates are from 42 degrees 50 minutes north latitude to 43 degrees 23 minutes east longitude 129 degrees 0/0/minute to 129 degrees 48 minutes. Because it is located in a high-latitude mountain forest basin, it has continental climate characteristics. It is dry and windy in spring, warm and rainy in summer, cool and rainy in autumn, and long and cold in winter, belonging to the semi-humid climate zone in the middle temperate zone. The annual average temperature is 5.8 degrees Celsius, and the extreme low temperature is -27.9 degrees Celsius. The annual frost-free period is 146 days, with an average annual precipitation of 583 mm, an average sunshine of 2294 hours and an average freezing day of about 175 days.

Yanji City is surrounded by mountains in the east, south and north, with open west and flat middle, showing a horseshoe-shaped basin. Average elevation150m. The terrain is high in the north and low in the south, with hilly terrain. Rivers in the territory are tributaries of Tumen River, mainly Burhatong River, Yanji River and Hailan River. The soils in this area are mainly gray brown soil, paddy soil, alluvial soil, meadow soil and black soil.

Yanji, with unique natural conditions and superior geographical position, is located in the hinterland of Northeast Asia economic circle and is the supporting point of China in the "Golden Triangle". It is only 60 kilometers east of the Sino-Russian border and 80 kilometers straight from the Sea of Japan. Nanzhi is more than 0/0 kilometers away from the border between China and North Korea, and has good sea conditions.