Traditional Culture Encyclopedia - Hotel franchise - What areas are included in the south of the Qinling Mountains and Huaihe River?
What areas are included in the south of the Qinling Mountains and Huaihe River?
From the name, the painting method of Qinhuai River line seems very simple. Draw a line along the Huaihe River in Qinling Mountains. But when you face a large-scale map of China, you will find that there is no way to start. The Qinling Mountains start from Baishishan in Gansu in the west, and the Huaihe River in Qinling Mountains is divided into north and south, only in the east of China. How to divide the western part of China into north and south is very interesting. The west can indeed be divided into two regions, but the north and south are reversed, and the cold and hot are reversed.
To the west along the Qinling Mountains, there are roughly two east-west mountains connected with the Qinling Mountains. One is Qilian Mountain, which is connected with Altun Mountain in the west. The other is the Kunlun Mountains, which starts from Pamirs in the west and stretches for more than 2,000 kilometers to the east. If the Qinling Mountains are divided into north and south to the west, we can consider these two mountain systems.
Extended data:
We can't see any changes in climate, agriculture, natural landscape, etc. on both sides of the Huaihe River, which are more than ten or twenty kilometers apart. In fact, because the Huaihe River area is mainly a plain area, the cold and warm air flow between the north and the south is unimpeded, and it is really impossible to produce a clear north-south dividing line.
Take "orange crossing Huaihe River, turning north into bitter orange" as an example. Due to the strong cold air in the central and southern parts of eastern China in winter, it often brings fatal low temperature to citrus. Therefore, even on the banks of the Yangtze River south of Huaihe River, except for some favorable areas, citrus cultivation generally has no economic value.
The Qinling Mountains west of the north-south boundary in China block the cold air in the north in winter, thus making Lingnan a typical subtropical zone when the north of the mountain is a typical warm temperate zone. However, the Qinling boundary is not a line.
Because the southern slope of Qinling Mountain is subtropical only at an altitude of 1000 meters, and the width between the contour lines of the two slopes of Qinling Mountain, that is, the width of the boundary zone, is about 90- 1 10 km. Moreover, in history, the north-south boundary zone moved north and south with climate change. If global warming continues, the subtropical northern boundary may even move northward to the middle and lower reaches of the Yellow River in the future.
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