Introduction
The Supporting Information includes following information:
Text S1. Regional setting;
Text S2. Kuahuqiao Site and Kuahuqiao Culture;
Text S3. Lithostratigraphy and Facies Analysis;
Text S4. Chronology;
Text S5. Grain size analysis;
Text S6. Palynology analysis;
Text S7. Diatom analysis;
Text S8. Foraminifera analysis;
Text S9. Ca analysis.
More details are described fully in each text.