发表于 2025-3-23 05:25:11
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Re-evaluation of Climate Change in Lowland Central America During the Last Glacial Maximum Using New Sediment Cores from Lake Petén Itzá, Guatemala the last 25,000 years. The driest period of the last glaciation was not the LGM, but rather the deglacial period (∼18,000–11,000 cal. yr BP). Causes of climate shifts during the last glaciation are ascribed to precessional changes in insolation, the position of the Inter-Tropical Convergence Zone, and southward penetration of polar air masses. |
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