Schematic diagram illustrating the response of δ18Op from Smin to Smax (IMAGE)
Caption
Green and brown shading over land indicates decreases and increases in δ18Op, respectively, while blue and red shading over the oceans represents SST reductions and increases, based on iCESM-LME simulations. Purple arrows highlight dominant moisture transport pathways contributing to δ18Op variations over eastern China. Solid purple line boxes indicate the defined oceanic source regions used in the water-tagging experiment: the Northern North Atlantic (NNA), Northern North Pacific (NNP), Equatorial Indian (EQI), Subtropical Pacific (SNP), Western Equatorial Pacific (WEP), Eastern Equatorial Pacific (EEP), and Western Equatorial Pacific (WEP). Northern Pacific (SNP), Western Equatorial Pacific (WEP), Eastern Equatorial Pacific (EEP), Subtropical Indian Ocean (SSI), and the North Pacific (NNP). Subtropical Indian (SSI), and Subtropical South Pacific (SSP); The black dashed box indicates eastern China (100°E–120°E, 20°N–40°N).
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