Climate Variability on the Yucatan Peninsula (Mexico) during the Past 3500 Years, and Implications for Maya Cultural Evolution

  title={Climate Variability on the Yucatan Peninsula (Mexico) during the Past 3500 Years, and Implications for Maya Cultural Evolution},
  author={Jason H. Curtis and David A. Hodell and Mark Brenner},
  journal={Quaternary Research},
  pages={37 - 47}
Climate variability on the Yucatan Peninsula during the past 3500 yrs is reconstructed from the measurement of δ18O in monospecific ostracods and gastropods in a 6.3-m sediment core from Lake Punta Laguna, Mexico. This late Holocene record is divided into three periods based on changes in mean δ18O values. From ∼3310 to ∼1785 14C yr B.P. (Period I), low mean δ18O values indicate relatively wet conditions (i.e., low evaporation to precipitation ratio, E/P). Mean oxygen isotopic values increased… 

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