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The Chicxulub impact and its different hydrogeological effects on Prehispanic and Colonial settlement in the Yucatan peninsula

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The Chicxulub impact ~66 million years ago and subsequent geological processes have created different hydrogeological regimes in the Yucatan peninsula, Mexico. These regimes have affected settlement patterns on local and regional scales. This study focuses on the intersection between three of these regimes; the Buried Ejecta within Saline Intrusion Zone, the Albion Formation, and the Ticul Fault Zone. Lake Chichancanab is located in the intersection between these zones. The Prehispanic settlement east of Chichancanab, in the Cochuah region, is distributed evenly whereas the Colonial period settlement of the same area largely stays within the Buried Ejecta within Saline Intrusion Zone. Colonial socioeconomic conditions and the Church limited the Spanish control of the Cochuah region, partially because groundwater access became increasingly more important during the Colonial period. WIREs Water 2016, 3:871–884. doi: 10.1002/wat2.1170 This article is categorized under: Engineering Water > Planning Water Science of Water > Water and Environmental Change Human Water > Water Governance
The Maya area. Map by author.
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Wells in the Cochuah region. Map by author.
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Karstic features in the Cochuah region. Map by author.
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Hydrogeological regimes of Yucatan. Composite map by author from other sources.
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Science of Water > Water and Environmental Change
Human Water > Water Governance
Engineering Water > Planning Water

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