The Tibetan Plateau (TP) is a key region for environmental and climatic research due to its significant linkages with large-scale atmospheric circulation. Understanding the long-term moisture evolution pattern and its forcing mechanisms on the TP during the Holocene may provide insights into the interaction between low-latitude climate systems and midlatitude westerlies. Here, we synthesized 27 paleoclimate proxy records covering the past 9500 years. The results of the rotated empirical orthogonal function analysis of the moisture variation revealed spatial-temporal heterogeneity, which was classified into 5 subregions. Proxy records were then compared with the results from the Kiel Climate Model and other paleorecords. The results showed that moisture evolution on the western-southern-central TP was controlled by the Indian summer monsoon (ISM). On the south-eastern TP, moisture change was affected by the interplay between the East Asian summer monsoon (EASM) and the westerlies, as well as the ISM. With diverse patterns of circulation system precipitation, moisture changes recorded in the paleorecords showed spatial-temporal discrepancies, especially during the early to middle Holocene. Moreover, given the anti-phase pattern of summer precipitation in the EASM area under El Niño/Southern Oscillation (ENSO) conditions and the unstable relationship between the ISM and ENSO, it is reasonable to conclude that relatively strong ENSO variability during the late Holocene has contributed to these discrepancies as Asian summer monsoon precipitation has declined.

青藏高原（TP）因其与大规模大气环流的重要联系而成为环境和气候研究的重点地区。了解全新世期间青藏高原的长期水汽演化模式及其强迫机制可能有助于深入了解低纬度气候系统与中纬度西风带之间的相互作用。在这里，我们综合了涵盖过去 9500 年的 27 条古气候代理记录。水分变化的旋转经验正交函数分析结果揭示了水分变化的时空异质性，分为5个子区域。然后将代理记录与基尔气候模型和其他古记录的结果进行比较。结果表明，青藏高原中西部水汽演化受印度夏季风（ISM）控制。在青藏高原东南部，水分变化受到东亚夏季风（EASM）与西风带以及ISM相互作用的影响。由于循环系统降水模式多样，古记录中记录的水分变化表现出时空差异，特别是在全新世早中期。此外，考虑到厄尔尼诺/南方涛动（ENSO）条件下东亚夏季风地区夏季降水的反相模式以及ISM和ENSO之间不稳定的关系，可以合理地得出晚全新世期间相对较强的ENSO变率的结论。由于亚洲夏季季风降水减少，造成了这些差异。