Jilin Province is located in the northeastern China, northeast Asia geographical center,named after Jilin Wula city built in the early Qing Dynasty, short for "Ji", the provincial capital of Changchun. East longitude across between 121 ° 38 'and 131 ° 19', north latitude across between 40 ° 50 '~ 46 ° 19'. It is 769.62 kilometers long from east to west, and 606.57 kilometers wide from north to south. The land area is 187,400 square kilometers, accounting for 2% of the whole country.
Jilin Province is located in the geometric center of Northeast Asia composed of Japan, Russia, Korea, Korea, Mongolia and northeast China. North of Heilongjiang Province, south of Liaoning Province, west of Inner Mongolia Autonomous Region, the East and the Russian Federation border, southeast and North Korea across the river. Jilin Province is located in the border offshore, border line length of 1438.7 kilometers, of which, the Sino-Korean border line is 1206 kilometers, and the Sino-Russian border line is 232.7 kilometers. The most eastern end of Hunchun City, the nearest distance from the Sea of Japan is only 15 km and only 4 km away from Russia's Pochette Bay.
Jilin Province belongs to temperate continental monsoon climate, four distinct seasons, rain and hot season. The summer is hot and rainy, cold and dry in winter. Jilin is an important industrial base in China. The processing and manufacturing industries are relatively developed. Automobile and petrochemical industry, agricultural products processing, commercial satellites are pillar industries, aerospace industry equipment manufacturing, optoelectronic information, medicine, metallurgy building materials, light industry and textile have their own advantages.
Jilin Province governs Changchun (sub-provincial cities), Jilin, Siping, Songyuan, Baicheng, Liaoyuan, Tonghua, Baishan and Yanbian Korean Autonomous Prefecture. Another straight Meihekou, Gongzhuling 2 county-level city.
Jilin Province is located in the geometric center of Northeast Asia composed of Japan, Russia, Korea, Korea, Mongolia and northeast China. East across 121 ° 38 '~ 131 ° 19', latitude 40 ° 50 '~ 46 ° 19' between. East and West, 769.62 km long, 606.57 km north-south width, land area of 187,400 square kilometers, accounting for 2% of China's land area. North of Heilongjiang Province, south of Liaoning Province, west of Inner Mongolia Autonomous Region, the East and the Russian Federation border, southeast and North Korea across the river. Jilin Province is located in the border offshore, border line length of 1438.7 kilometers, of which, the Sino-Korean border line of 1206 kilometers, 232.7 kilometers of the Sino-Russian border. The most eastern end of Hunchun City, the nearest distance from the Sea of Japan is only 15 km away from Russia's Pochette Bay is only 4 km.
Jilin Province has obvious morphological differences. Terrain from southeast to northwest tilt, showing obvious high southeast, northwest low characteristics. Taking the central Big Black Mountains as the boundary, can be divided into the eastern mountainous and central and western plains of the two major landforms. The eastern mountainous region is divided into the low mountains and low hilly areas in Changbai Mountain. The Midwest plain is divided into the central plain and western meadow, lakes, wetlands and sand areas. The types of landforms are mainly composed of volcanic landforms, erosion and denuded landforms, alluvial and alluvial plains.
Jilin Province, the main mountains are large Montenegro, Zhang Guangcai Ridge, Jilin Hada Ridge, Lao Ridge, Peony Ridge and so on. The main plains to the Songliao divide as the boundary, north of the Songnen Plain, south of the Liaohe River Plain. The highest point in Jilin Province is the Baiyun Mountain in Changbai Mountain (2691 meters).
The external stress of geomorphic formation in Jilin Province is dominated by glacier, flowing water, wind and other meteorological factors. Quaternary glaciers in the Changbai Mountains glacial erosion remains remains visible. Erosion, accumulation, alluvial and other comprehensive role, the formation of a variety of water features, such as floodplain, alluvial plain, alluvial plain, alluvial plain, basin, valley, Gully and so on. Volcanic geomorphology accounts for 8.6% of the total area of Jilin Province, 83.5% of the water landscape, lakes into landforms 2.6%, sandy landforms account for about 5.2%.
There are many rivers in Jilin Province, mainly for the five major rivers. The eastern Yanbian mainly for the Tumen river system, including the Burhatu River, Gaya River, Hailan River and Hunchun River; southeastern Yalu River, Hun River flows through the Hakusan and Tonghua; southwest Siping Liaoyuan area for the Liaohe River, Mainly in the East Liaohe River and West Liaohe; Yanbian Wangqing and Dunhua is a small part of the Suifenhe River; the rest are the Songhua River, a tributary of Huifa River, Yitong River, Mudanjiang, Lalin River, Yinma River, Taoer River , Nenjiang and so on.
Jilin Province’s rivers and lakes water are 265,500 hectares, the provincial watershed area of 20 square kilometers in the size of the river has 1648. The main lakes are: Changbai Mountain Tianchi, Songhua Lake (the largest artificial lake), Yanming Lake, Lake Chagan and the moon bubble. The eastern part of Jilin Province is rich in hydropower resources. There are 13 large reservoirs. 98% of the hydropower resources are distributed in the eastern mountainous areas, including Baishan, Hongshi, Yunfeng and plump. Northwest Matsubara Baicheng area marsh wetlands. Jilin Province, rich in aquatic products, with a variety of quality food fish.
Jilin Province is located in the mid-latitude Eurasia on the eastern side, belongs to the temperate continental monsoon climate, four distinct seasons, rain and hot season. Spring dry wind, summer, high temperature and rainy, autumn days, high air and cool, long winter cold. From southeast to northwest transition from humid climate to semi-humid climate to semi-arid climate.
The temperature, precipitation, temperature, wind and meteorological disasters in Jilin Province have obvious seasonal and regional differences. The average winter temperature below -11 ℃. The average temperature in the summer plains above 23 ℃. Jilin Province, the annual temperature difference of 35 ~ 42 ℃, the daily difference is generally 10 ~ 14 ℃. Frost-free period in 2015 is generally 100 to 160 days. Jilin Province for many years the average sunshine hours for 2259 ~ 3016 hours. The average annual precipitation is 400 ~ 600 mm, but the seasonal and regional differences are large, 80% concentrated in the summer, with the most abundant rainfall in the east. In normal years, light, heat and water conditions can meet the needs of crop growth.