Fig. 2
From: Characterization of water masses around the southern Ryukyu Islands based on isotopic compositions
Sampling sites in the study area. Circles and triangles represent sites on the Okinawa Trough and Pacific sides of the southern Ryukyu Island Arc, respectively. Green, blue, and orange symbols indicate sites in the Yonaguni, Iriomote, and Ishigaki subareas, respectively. Circles and triangles with red borders indicate sites where sediment samples were collected for Nd isotope analysis. For abbreviations, see Fig. 1