Fig. 1 | Scientific Data

Fig. 1

From: A 10-m scale chemical industrial parks map along the Yangtze River in 2021 based on machine learning

Fig. 1

(a) The study area is the core region of the Yangtze River Basin. (b) The upper reaches of the Yangtze River mainstream begin in Yibin City, Sichuan Province (104.62°E, 28.77°N), with the boundary between the upper and middle reaches at Yichang City, Hubei Province (110.17°E, 30.75°N), and the boundary between the middle and lower reaches at Hukou County, Jiangxi Province (116.20°E, 29.73°N). The lengths of the upper, middle, and lower reaches are 1040 km, 955 km, and 938 km, respectively.

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