5-3 CAS Institute of Aerospace Science releases remote sensing monitoring database for 75 cities

The monitoring covers the expansion of 75 typical cities in China from 1972 to 2020, showing that about 62% of the expansion is on former cultivated land, raising challenges in food production. Chinas urbanization rate is presently at about 60%, there are over 100 cities with 1 million, and 16 cities have 10 million or more inhabitants.

http://www.cas.cn/cm/202103/t20210304_4779487.shtml

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