Solar Forcing of Drought Frequency in the Maya Lowlands

@article{Hodell2001SolarFO,
  title={Solar Forcing of Drought Frequency in the Maya Lowlands},
  author={David A. Hodell and Mark Brenner and Jason H. Curtis and Thomas Guilderson},
  journal={Science},
  year={2001},
  volume={292},
  pages={1367 - 1370}
}
We analyzed lake-sediment cores from the Yucatan Peninsula, Mexico, to reconstruct the climate history of the region over the past 2600 years. Time series analysis of sediment proxies, which are sensitive to the changing ratio of evaporation to precipitation (oxygen isotopes and gypsum precipitation), reveal a recurrent pattern of drought with a dominant periodicity of 208 years. This cycle is similar to the documented 206-year period in records of cosmogenic nuclide production (carbon-14 and… 
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