Supported by the Chinese Academy of Sciences (Grant No. KZCX2-314,KZCX3-sw-321) and Institute of Geographic Sciences and Natural Resources Research,the Chinese Academy of Sciences (Grant No.CXIOG-A00-02)
Quasi-periodicity of temperature changes on the millennial scale is found according to the proxy data both from historical documents and natural evidence in China. The auto-correlation of the temperature changes serie...