The orbital scale evolution of regional climate recorded in a long sediment core from Heqing, China

@article{Shen2007TheOS,
  title={The orbital scale evolution of regional climate recorded in a long sediment core from Heqing, China},
  author={Ji Shen and Peter Wittich and SuMin Wang and Zhisheng An and Xiaoke Qiang and Xiayun Xiao},
  journal={Chinese Science Bulletin},
  year={2007},
  volume={52},
  pages={1813-1819}
}
Based on the analysis of carbonate content and loss on ignition for a long sediment core (737 m in length) drilled in Heqing, the orbital scale evolution of the Southwest Monsoon is revealed, by using overlapped spectral analysis and filter methods. It is shown that the obliquity cycle and precession cycle are the key factors for the Southwest Monsoon evolution and that the change of the global ice volume and the uplift of the Qinghai-Tibetan Plateau also impose great influences on it. 

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