龙凤洞冰消期以来石笋生长频率数据集（16000年以来）

基于龙凤洞全新世和末次冰消期26个石笋的58个230Th年代，考虑测年误差和石笋连续生长，利用累积生长频率计算模型叠加26个石笋生长频率获得16kaBP以来的石笋累积生长频率曲线。指出在16-11.7ka B.P.石笋累积生长频率较低，气候较为干旱；11.7-9.5ka B.P.，生长频率快速升高，降水开始显著增加；在9.5-5ka B.P.，石笋累积生长频率达到最高，表明该时段区域降水在全新世最为丰沛，应视为全新世气候适宜期；5ka之后石笋累积生长频率又显著下降，气候逐渐干旱。

Based on 58 230Th dating ages from 26 stalagmites from the Longfeng Cave covering the Holocene and Last Deglaciation, and accounting for dating uncertainties and continuous stalagmite growth, we stacked the growth frequencies of the 26 stalagmites using a cumulative growth frequency calculation model to establish the stalagmite cumulative growth frequency curve since 16 ka BP. Our analysis shows that during 16–11.7 ka BP, the stalagmite cumulative growth frequency was relatively low, corresponding to a relatively arid climate; during 11.7–9.5 ka BP, the growth frequency rose rapidly, with precipitation increasing significantly; during 9.5–5 ka BP, the stalagmite cumulative growth frequency reached its peak, indicating that regional precipitation was the most abundant during the Holocene in this interval, which should be identified as the Holocene Climate Optimum; after 5 ka BP, the stalagmite cumulative growth frequency decreased significantly again, and the climate gradually became arid.