Map of Huaihe River in Qinling Mountains

The Qinling-Huaihe River line runs through six provinces of Gansu, Sichuan, Shaanxi, Henan, Anhui and Jiangsu. The Qinling Mountains-Huaihe River line is not only the dividing line of the southern and northern fields, but also the dividing line of climate, vegetation, river hydrology, topography, soil, minerals, agriculture and so on.

the Qinling-Huaihe line is not only the dividing line between the south and the north, but also the dividing line of ℃ in January. The boundary between subtropical zone and warm temperate zone, the boundary between humid zone and semi-humid zone, the boundary between subtropical evergreen broad-leaved forest and temperate deciduous broad-leaved forest, whether the river has the boundary of ice period; But also that boundary between paddy field and dry land.

The dividing line between two crops a year and three crops a year is the dividing line between rice and wheat planting; It is the dividing line between the Yangtze River basin and the Yellow River basin, and its geographical position is quite important. Of course, a key node is not absolutely divided according to this.

Extended information

1. Qinling Mountains, which starts from the south of Gansu Province in the west, crosses the south of Shaanxi, the west of Henan and the north of Sichuan, runs east-west and is about 15 kilometers long. Qinling Mountain is like a "wind wall" to stop cold air from going south in winter and intercept the southeast monsoon from going north in summer.

2. The Qinling Mountains cross the east-west mountains in central China. Mangrove smoke Qin Zulong, Huang Mao Bai Wei Han Jia Ling. Because of thinking, Chang Libo immediately, looking back at the clouds, tears were wet. Praise for the grandeur of the Qinling Mountains.

Baidu Encyclopedia-Qinling-Huaihe Line