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The study of humidity is important for better understanding the past climatic variations. However, there have been few long‐term humidity reconstructions using tree‐ring widths worldwide. Here, we present a June–September mean relative humidity (MRH69) reconstruction from AD 1837 to 2011 using Chinese pine trees (Pinus tabulaeformis Carr.) from the Yiwulü Mountain region in northeastern China. The...
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