印度洋-太平洋暖池为全球海洋与气候变化的敏感区域，也是全球古海洋学研究的热点区域之一。现代观测及模拟表明，位于印-太暖池地理核心位置的班达海，其表层海水温度（SST）的微小的变化足以产生强烈的大气反馈，对热带对流及降水具有潜在的巨大影响。迄今为止，长时间尺度上班达海的SST和降水记录仍为空白，严重妨碍对该区域海洋动力学的理解。本研究计划以MD01-2380孔岩芯为材料，分析有孔虫壳体Mg/Ca比值和植物叶蜡脂肪酸氢δD、碳δ13Cwax同位素，重建70万年以来，特别是间冰期（MIS13、11和5期）及冰期（MIS6、4和2期）班达海表层海水温度、降水及陆地植被类型对降水响应的古海洋和古气候学记录，获取冰期-间冰期尺度热带降水对SST变化的敏感性演化特征，探讨岁差、海平面及热带环流等边界条件变化对SST及热带降水的影响，为解析轨道-亚轨道尺度上印-太暖池蒸发降水动态过程及其气候机制提供参考。

The Indo-Pacific warm pool (IPWP) is the key region of global climate change and also hotspot for the next decade paleoceanographic research. Instrumental and model observations suggest that small changes in sea surface temperature (SST) in the Banda Sea, lies at the heart of the IPWP, are capable of generating a large atmospheric feedback that impacts tropical convection and rainfall regionally and globally. However, long-term SST and rainfall reconstructions from the Banda Sea beyond instrumental time scale are still missing, hampering our understanding of ocean dynamics in this region. To help rectify this, we propose to reconstruct the SST and rainfall changes, particularly on interglacial (Marine Isotope Stage13,11 and 5) and glacial (the Stage 6, 4 and 2) periods based on foraminifera Mg/Ca analyses ,the stable hydrogen and carbon isotopic compositions (δD and δ13C, respectively) of terrestrial plant leaf waxes from the sedimentary core MD01-2380 which covering the past 70,000 years in the Banda Sea. The target of this study is to reveal previously unrecognized variations of rainfall amounts and vegetation response to hydroclimate changes on glacial-interglacial timescales of the IPWP. Our SST and rainfall reconstructions would help shed light on fundamental questions such as the temporal and spatial variations of rainfall changes, the vegetation response and the factors controlling those variability, with implications for the fluctuations of IPWP dynamics and its underlying climate forcing mechanisms on orbital and sub-orbital timescales.