Climate change on the Yucatan Peninsula during the Little Ice Age

  title={Climate change on the Yucatan Peninsula during the Little Ice Age},
  author={David A. Hodell and Mark Brenner and Jason H Curtis and R{\'o}ger Medina-Gonz{\'a}lez and Enrique Ildefonso-Chan Can and Alma Albornaz-Pat and Thomas P. Guilderson},
  journal={Quaternary Research},
  pages={109 - 121}
We studied a 5.1-m sediment core from Aguada X'caamal (20° 36.6′N, 89° 42.9′W), a small sinkhole lake in northwest Yucatan, Mexico. Between 1400 and 1500 A.D., oxygen isotope ratios of ostracod and gastropod carbonate increased by an average of 2.2‰ and the benthic foraminifer Ammonia beccarii parkinsoniana appeared in the sediment profile, indicating a hydrologic change that included increased lake water salinity. Pollen from a core in nearby Cenote San José Chulchacá showed a decrease in… Expand
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