期刊
SCIENCE
卷 335, 期 6071, 页码 956-959出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1216629
关键词
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资金
- UK Natural Environment Research Council [NE/C003152/1, NE/I009906/1, NE/H004424/1]
- Natural Environment Research Council [NE/I009906/1, NE/C003152/1, NE/H004424/1] Funding Source: researchfish
- NERC [NE/H004424/1, NE/I009906/1] Funding Source: UKRI
The disintegration of the Classic Maya civilization in the Yucatan Peninsula and Central America was a complex process that occurred over an approximately 200-year interval and involved a catastrophic depopulation of the region. Although it is well established that the civilization collapse coincided with widespread episodes of drought, their nature and severity remain enigmatic. We present a quantitative analysis that offers a coherent interpretation of four of the most detailed paleoclimate records of the event. We conclude that the droughts occurring during the disintegration of the Maya civilization represented up to a 40% reduction in annual precipitation, probably due to a reduction in summer season tropical storm frequency and intensity.
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