Solar Forcing of Drought Frequency in the Maya Lowlands

  title={Solar Forcing of Drought Frequency in the Maya Lowlands},
  author={David A. Hodell and Mark Brenner and Jason H. Curtis and Thomas Guilderson},
  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… 
Solar forcing of early Holocene droughts on the Yucatán peninsula
A speleothem record from the north-eastern Yucatán peninsula (Mexico) provides new insights into the tropical hydro-climate of the Americas between 11,040 and 9520 a BP on up to sub-decadal scale.
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A 1,500-year reconstruction of climate history and glaciation in the Venezuelan Andes using lake sediments highlights the sensitivity of high-altitude tropical regions to relatively small changes in radiative forcing, implying even greater probable responses to future anthropogenic forcing.
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  • B. Leyden
  • Environmental Science, Geography
    Ancient Mesoamerica
  • 2002
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Two cores of mid-Holocene raised-bog deposits from the Netherlands were 14C wiggle-match dated at high precision. Changes in local moisture conditions were inferred from the changing species


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EXTREME large-scale droughts in North America, such as the 'Dust Bowl' of the 1930s, have been infrequent events within the documented history of the past few hundred years, yet this record may not
A 10,300 14C yr Record of Climate and Vegetation Change from Haiti
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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
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In Laguna Chichancanab, the largest closed basin in northern Yucatan, large-scale changes in lake levels have been documented by “0 analyses of snail shell carbonates. A continuous 9-m series of lake
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THE Maya civilization developed around 3,000 years ago in Mesoamerica, and after flourishing during the so-called Classic period, it collapsed around 750–900 AD1. It has been specula ted2–6 that
Variations in Low-Latitude Circulation and Extreme Climatic Events in the Tropical Americas
Abstract Departure characteristics of the general circulation in the tropical Atlantic and eastern Pacific are studied in relation to extreme climatic events identified from collectives of long-term