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原文連結
論文資訊
- 類型：已發表論文
- 日期：2024-01-06
摘要
Temperature variability likely played an important role in determining the spread and productive potential of North America's key prehispanic agri文化 staple, maize. The United States Southwest (SWUS) also served as the gateway for maize to reach portions of North America to the north and east. Existing temperature reconstructions for the SWUS are typically low in spatial or temporal resolution, shallow in time depth, or subject to unknown degrees of insensitivity to low-frequency variability, hindering accurate determination of temperature's role in agri文化 productivity and variability in distribution and success of prehispanic farmers. Here, we develop a model-based modern analog technique (MAT) approach applied to 29 SWUS fossil pollen sites to reconstruct July temperatures from 3000 BC to
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