Fig. 1: Geographic and hydroclimate context of the study area.
From: Coastal ecological disasters triggered by an extreme rainfall event thousands of kilometers inland

a Horizontal distribution of the rainfall anomalies of each province in China in 2021. The magenta lines indicate the large rivers. The black solid box indicates the study area in e. b The location of Yellow River watershed and Hai River watershed. c The location of Huang-Huai-Hai plain. d Horizontal distribution of the population (million) of each province in China. e Bathymetric map of the Bohai Sea and North Yellow Sea with the locations of the survey stations (black solid triangles). The magenta circles indicate the cities of Shandong Province. The green rhombus indicates the gauge station of Lijin. The blue solid line indicates the Yellow River, Hai River, and Liao River. The dashed box indicates the Rongcheng offshore area where the MODIS imageries are averaged in Fig. 8. The arrows indicate the ocean current of North Shandong Coastal Current (NSCC), Yellow Sea Warm Current (YSWC) and Liaonan Coastal Current (LNCC). The Roman numerals indicate the location of I Bohai Bay, II Laizhou Bay, and III Liaodong Bay.