Articles | Volume 11, issue 9
Clim. Past, 11, 1239–1248, 2015

Special issue: Climate change and human impact in Central and South America...

Clim. Past, 11, 1239–1248, 2015

Research article 30 Sep 2015

Research article | 30 Sep 2015

Climatic variability and human impact during the last 2000 years in western Mesoamerica: evidence of late Classic (AD 600–900) and Little Ice Age drought events

A. Rodríguez-Ramírez et al.

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Cited articles

Barrera-Rodríguez, R.: El proyecto arqueológico El Cajón, Nayarit, in: Entre ríos y montañas sagradas: arqueología en El Cajón, Nayarit, edited by: Barrera-Rodríguez, R., Consejo Nacional para la Cultura y las Artes, Instituto Nacional de Antropología e Historia, Comisión Federal de Electricidad., México, 13–28, 2006.
Barron, J. A., Bukry, D., and Bischoff, J. L.: A 2000-yr-long record of climate from the Gulf of California, Proceedings of the Nineteenth Pacific Climate Workshop, Asilomar, Pacific Grove, CA, 11–21, 2002.
Barron, J. A., Metcalfe, S. E., and Addison, J. A.: Response of the North American monsoon to regional changes in ocean surface temperature, Paleoceanography, 27, PA3206, 3201–3217, 2012.
Beekman, C. S.: Recent research in western Mexican archaeology, J. Archaeol. Res., 18, 41–109, 2010.
Berbery, E. H.: Mesoscale moisture analysis of the North American monsoon, J. Climate, 14, 121–137, 2001.
Short summary
We present results from western Mexico, where very few palaeoclimatic research sites exist. The record has good chronological resolution (ca. 20 years) and clear climatic trends during the last 2ka. The most important signals are: dry conditions during the late Classic (AD 500 to 1000), especially from AD 600 to 800, and low lake levels during the LIA, in two phases that follow Spörer and Maunder solar minima. Drier conditions are related with a lower intensity of the North American monsoon.