Supplemental Material: Intermediate water warming caused methane hydrate instability in South China Sea during past interglacials

Abstract

<p>Supplemental Text S1: U-Th data and the temperature of intermediate waters in the northern South China Sea during the peak of the last five interglacials. Figure S1: Locations of cores GMGS2 and GH08-2004, ODP1148, ODP1123, ODP1143, and ODP1146. Figure S2: Seep carbonates from cores GMGS2-09B (A) and GMGS5-08B (B) with U/Th sample locations. Figure S3: Seep carbonates from cores GMGS2-08 with in-situ laser ablation U-Th sample locations. Figure S4: Seep carbonates from cores GMGS2-16 with in-situ laser ablation U-Th sample locations. Table S1: Seep carbonate mineralogical compositions. Table S2: Stable isotope (C and O) composition of seep carbonates from the South China Sea. Table S3: Stable isotope (C and O) composition of benthic and planktonic foraminifera in core GMGS2-16. Table S4: U-Th dating of seep carbonate samples from the South China Sea. Table S5: In-situ laser ablation U-Th dating of seep carbonate samples from the South China Sea. Table S6: U-Th and 14C data used in this study. Table S7: Element contents of sediments in core GMGS2-16.</p>