中国地理百年大发现（A hundred years discovery of Chinese Geography）.docVIP

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中国地理百年大发现（A hundred years discovery of Chinese Geography）.doc

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中国地理百年大发现（A hundred years discovery of Chinese Geography）

中国地理百年大发现（A hundred years discovery of Chinese Geography） 1.1908 years, Zhang Xiangwen first proposed the Qinling Mountains - Huaihe line Zhang Xiangwen devoted his life to the geography education, and went to Shandong, Hebei, Shanxi, Henan and Inner Mongolia geographical survey. In 1908, Zhang Xiangwen in the New Literature in the north south belt wrote: Northridge huaishui, north of the Yinshan the Great Wall. The so-called southern boundary is the North South boundary. North belt is between the Great Wall and Qinling Mountains - Huaihe. The proposal of Qinling Mountains Huaihe line correctly defines the natural geographical boundaries of South China and North China for the first time. It is of great significance for understanding the laws of physical geography and guiding agricultural production in china. 2.1972 years, Zhu Kezhen has revealed for the first time Zhu Kezhen climate change nearly 5000 years to China in 1972 published a preliminary study to China nearly 5000 years of climate change, drawing nearly 5000 years Chinese temperature change curve, namely the Zhu Kezhen curve, this is the first time to reveal Chinese to nearly 5000 years of climate change. The basic conclusion is from Yangshao culture to the ruins of Anyang in two thousand years, the annual average temperature in the Yellow River basin are now higher than 2 DEG C; and then a series of changes, generally in the range 1 to 2 DEG C, each Chinese National Geographic Chinese geography hundred years found that album cycle fluctuations, which lasted about 400 to 800 years. The historical fluctuations of the climate are global, but each of the coldest periods seems to have first appeared on the East Asian Pacific coast, and then spread to the the Atlantic coast of Europe and africa. The 3.20 century from 50s to 90s, Liu Dongsheng put forward the new theory, the Loess in the Loess and found preserved 2 million 500 thousand years ago since the global climate change record from 1950s onwards, Liu Dong