What are the characteristics of aerial photography in Chongqing?

China Chongqing geographic aerial photography knowledge points are as follows:

1. Chongqing is located in the southwest of China, on the upper reaches of the Yangtze River, with a land span of1051'~1010/'and a north latitude of 28/.

2. It is adjacent to Hubei and Hunan in the east, Guizhou in the south, Sichuan in the west and Shaanxi in the north; The jurisdiction is 470 kilometers long from east to west and 450 kilometers wide from north to south, covering an area of 82,400 square kilometers.

There are Daba Mountain in the north, Wushan Mountain in the east, Wuling Mountain in the southeast and Dalou Mountain in the south of Chongqing. The elevation of the main urban area of Chongqing is mostly between 168 ~ 400 meters.

4. The highest peak in Chongqing is Yintiaoling, the main peak of Liang Jie on the eastern edge of Wuxi County, with an altitude of 2796.8 meters; The lowest is the Yangtze River in Wushan County, with an altitude of 73. 1 meter. The height difference in Chongqing is 2723.7 meters. The territory of high mountains and deep valleys, ravines. Mountain areas account for 76%, hills account for 22%, and valley flat dams only account for 2%.

5. Chongqing's topography gradually decreases from north to south towards the Yangtze River basin, with hills and low mountains in the northwest and middle, and two mountains, Daba Mountain and Wuling Mountain, in the southeast, with many slopes, which are called "Mountain City". The general terrain is high in the southeast and northeast, low in the central and western regions, and gradually decreases from north to south to the Yangtze River basin.