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对湖北省神农架两个高海拔洞穴(天鹅洞: 海拔1600 m; 永兴洞: 海拔1400 m)石笋实测了7个U-Th年龄、560个氧同位素以及年纹层厚度变化序列. 天鹅洞石笋十年际分辨率δ 18O曲线十分类似于江苏南京和贵州荔波石笋记录的波令暖期和新仙女木事件基本特征, 表明本区石笋δ 18O反映了区域性亚洲季风经向环流及其降水变化特征. 相距天鹅洞约70 km的永兴洞石笋高分辨率(平均30 a左右)...
Younger Dryas Event and Cold Events in EarlyMid Holocene: Record from the sediment of Erhai Lake
Younger Dryas Holocene cold event Erhai Lake
2008/7/8
Three cold events (the Younger Dryas, 9.4 ka cal BP, 5.8 ka cal BP) since the 13 ka cal BP in Erhai (EH) Lake catchment, Yunnan Province, were analyzed using the Total Organic Carbon (TOC) series of t...