In recent years, the area of Dali Lake has shrunk significantly, resulting in extremely serious ecological and environmental problems. Combining records from lake sediments and ancient shorelines is effective for investigating paleolake evolution and predicating the lake life trend. This study explored the lake area evolution of Dali Lake using remote sensing images and optical stimulated luminescence (OSL) dating. The results suggest the following: 1) on the century time scale, there has been a significant linear relationship between age and elevation from ca. 1.8 cal ka BP to the present (R² = 0.99) and a potential quadratic polynomial relationship since ca. 4.2 cal ka BP (R² = 0.99). 2) According to the δ²H and δ¹⁸O composition, monthly changes in the lake area, and water balance analysis, the groundwater was the main water source to recharge Dali Lake which originated from an external source, whereby the water may be from the Xar Moron Fault or has been transported by a volcanic conduit. 3) Since ca. 1.3 cal ka BP, the clear differences between lake levels and local precipitation indicated that the changes of the lake level are predominantly determined by groundwater. We conclude that the East Asian summer monsoon intensity and groundwater table variations in this area have jointly controlled the lake level evolution since the late Holocene.

近年来，大理湖面积大幅度缩水，造成了极为严重的生态环境问题。将湖泊沉积物和古代海岸线的记录相结合，对于调查古湖演化和预测湖泊生命趋势是有效的。这项研究使用遥感图像和光激发发光（OSL）测年方法探索了大理湖的湖泊面积演变。结果表明以下几点：1）在世纪时间尺度上，年龄与从ca开始的海拔高度之间存在显着的线性关系。到现在为止有1.8 cal ka BP（R ²  = 0.99）和自ca以来的潜在二次多项式关系。4.2 cal ka BP（R ²  = 0.99）。2）根据δ ² H和δ ¹⁸O的组成，湖泊区域每月的变化以及水平衡分析表明，地下水是补充大理湖的主要水源，大理湖的水源可能来自外部来源，其中的水可能来自萨尔莫伦断裂或已由火山运走导管。3）由于ca。1.3 cal ka BP，湖泊水位与局部降水之间的明显差异表明，湖泊水位的变化主要由地下水决定。我们得出的结论是，自全新世以来，该地区的东亚夏季风强度和地下水位变化共同控制了湖泊水位的演变。