Fig. 1: Spatial-temporal patterns of China’s groundwater quality and affected population. | Nature Communications

Fig. 1: Spatial-temporal patterns of China’s groundwater quality and affected population.

From: Groundwater quality evolution across China

Fig. 1: Spatial-temporal patterns of China’s groundwater quality and affected population.The alternative text for this image may have been generated using AI.

Distributions of PGQ probability in China in 1980 (a), 2000 (b), and 2020 (c); Population in regions with PGQ probability greater than 0.5 in 1980 (d), 2000 (e), and 2020 (f). Map Source: Standard Map Service of the Ministry of Natural Resources, People’s Republic of China [Map Review Number: GS(2019)1822].

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