How many square kilometers is Changchun?

The total area is 24,662 square kilometers.

By 2020, the city will have seven districts, 1 county and three county-level cities, with a registered population of 8.544 million and a total area of 24,662 square kilometers. The urban population is 445 1 000, and the urbanization rate is 59%. The results of the second national land survey show that the total area of the city is 20604 square kilometers (excluding Gongzhuling City).

Changchun is located in Songliao Plain, the hinterland of China Northeast Plain, adjacent to Songyuan City in the northwest, Siping City in the southwest, Jilin City in the southeast and Harbin City in Heilongjiang Province in the northeast. It is a natural geographical center in the northeast of China, an important node city in the northern route of the Belt and Road, a node city in the China-Mongolia-Russia Economic Corridor, and a strategic hinterland city in the development and opening-up pilot area of Changji-Tumen.

Changchun is located at 43 05' ~ 4515' north latitude and12418' ~127 05' east longitude. It lives in the northern temperate zone in the mid-latitude of the northern hemisphere.

topography

Changchun is a relatively flat terrain, which is the transition zone between the eastern mountainous area and the western Songliao Plain. With Fufeng Town-Shanghewan Line as the boundary, it is located in hilly and low mountainous areas in the southeast, with an altitude of 200-400m, and the highest peak is Laodaodong Mountain in the southeast of Shuangyang District, with an altitude of 711m.

The northwest is an alluvial-diluvial platform, which belongs to the undulating terrain of high plains, with an altitude of 160-200m. The Nong 'an-Dehui-Yushu line enters the Songnen Plain, with an altitude of 137- 160m, a relative height difference of 5- 10m, and a terrain slope of mostly below 5. The lowest point is Lalin Valley at the junction of Yushu City and Songyuan City, with an altitude of137.5m..

The city's low mountains and hills cover 2.84%, high plains (platform) accounts for 37.5%, and valley plains account for 59.66%.

climate

Changchun area belongs to continental monsoon climate zone, and it is in the transition zone from humid area to semi-arid area in the national dry-wet climate division. The temperature rises from east to west, and the precipitation decreases from east to west. Spring is short, dry and windy; In summer, the western Pacific subtropical high often meets the cold air of Lake Baikal moving to the southeast. The southeast wind prevails, and the water vapor supplemented by Bohai Sea passes through, which is warm and rainy, and the precipitation accounts for more than 60% of the whole year.

In autumn, the weather is high and crisp, which can form sunny and warm weather lasting for several days, with large temperature difference and lower wind speed than in spring. The winter is long, and the climate is cold and dry under the control of strong Mongolian high pressure. Four distinct seasons, rain and heat in the same season, moderate humidity.

The annual average temperature is 5.65℃, the average temperature in Leng Yue (65438+ 10 month) is-15. 1℃, and the extreme minimum temperature is? 36.5℃ (1970 65438+1October 4th). The average temperature in the hottest month (July) is 23. 1℃, and the extreme maximum temperature is 38.0℃ (1951July 9). The annual average sunshine time is 2688 hours, and the frost-free period is 140- 150 days.

Refer to the above? Baidu Encyclopedia-Changchun