Science in China Series D: Earth Sciences

, Volume 41, Issue 4, pp 362–368 | Cite as

Applications of interannual-resolution stable isotope records of speleothem: Climatic changes in Beijing and Tianjin, China during the past 500 years—the δ 18O record

  • Hongchun Li
  • Delong Gu
  • Tehlung Ku
  • Stott L. D. 
  • Wenji Chen


δ18O of a stalagmite collected from Shihua Cave, 50 km southwest of Beijing is analyzed. The uppermost 2 cm was sampled at about 3-year intervals by a computer-controlled microsampling device. A total of 133 samples were analyzed, covering the last 480 years. A comparison of the δ18O record with the instrumentally recorded precipitation in Beijing and Tianjin back to 1840 AD shows that high precipitation correlates with negative δ18O peaks. The long-term δ18O trend records temperature changes. Between 1620 and 1900 AD, the temperature was cooler than the average value for the 480-year record, corresponding to the Little Ice Age. Temperatures warmer than the average prevailed during 1520–1620 and 1900—present. Superimposed on the long-term trend are about 14 δ18O cycles of 30–40-year periodicity, with wet periods centered around 1985, 1955, 1910, 1880, 1840, 1800, 1760, 1730, 1690, 1660, 1630, 1600, 1560 and 1530 AD.


Shihua Cave stalagmite oxygen isotope high-resolution paleoclimate 


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Copyright information

© Science in China Press 1998

Authors and Affiliations

  • Hongchun Li
    • 1
  • Delong Gu
    • 1
  • Tehlung Ku
    • 1
  • Stott L. D. 
    • 1
  • Wenji Chen
    • 2
  1. 1.Department of Earth SciencesUniversity of Southern CaliforniaLos AngelesUSA
  2. 2.Institute of GeologyState Seismological BureauBeijingChina

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