Fig. 1
From: Metal contamination in a sediment core from Osaka Bay during the last 400 years
Location of the Osaka Bay catchment in Japan (left). Geological map of the Osaka Bay catchment (top) and land-use map (bottom) with subbasins of the Yodo, Muko, and Yamato Rivers, other major rivers, the locations of the sediment cores collected at station KT-11-13 OS5B, and of Osaka Castle. The geological information was obtained from the Seamless Geological Map (Geological Survey of Japan 2015). Land-use data were obtained from Land Use Fragmented Mesh Version 2.5.1 from the National Land Numerical Information, created by Ministry of Land, Infrastructure, Transport and Tourism, the Government of Japan