Environmental and Hydrological Changes of Lake Coatetelco in Central Mesoamerica (Southwest Mexico) Over the Holocene and Comparison With Climatic Forcing by Oscar Agesandro García-Arriola, Priyadarsi D. Roy, Irma Gabriela Vargas-Martínez, Ma. Patricia Giron-García, Jason H. Curtis, Isabel Israde-Alcantara, Jesús David Quiroz-Jimenez

“…Variation in seasonal insolation at orbital scales might have forced frequent droughts between ∼6 and 4.2 cal ka BP and the ENSO related short-lived storms possibly led to an unstable hydroclimate after ∼4.2 cal ka BP when the first Olmec settlements commenced in the region. Dissimilarity between this lacustrine archive and speleothems from southwest Mexico for the later part of the Holocene reflected different sensitivities of the geological records to seasonal and-annual precipitation.…”
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