早期的海上经济和厄尔尼诺事件发生在秘鲁的Quebrada Tacahuay
1D. K. Keefer, U.S. Geological Survey MS 977, 345 Middlefield Road, Menlo Park, CA 94025, USA. S. D. deFrance, Corpus Christi Museum of Science and History, 1900 North Chaparral Street, Corpus Christi, TX 78401, USA. M. E. Moseley, Department of Anthr.
Science (New York, N.Y.)
|September 22, 1998
概括
秘鲁的Quebrada Tacahuay遗址揭示了12700年前的古代海上经济活动. 这个早期的新世界遗址显示了渔业和海鸟加工的证据,以及厄尔尼诺气候数据.
科学领域:
- 考古学的考古学
- 古气候学 古气候学
背景情况:
- 秘鲁的Quebrada Tacahuay遗址为早期人类的生存策略提供了关键的见解.
- 了解新世界海上经济活动的时间和性质对于重建早期人类定居模式至关重要.
研究的目的:
- 为了介绍Quebrada Tacahuay考古遗址的发现.
- 确定该遗址的年龄,并确定其居民的经济活动.
- 调查古老环境条件,特别是厄尔尼诺事件在该地点占领期间的作用.
主要方法:
- 考古材料的放射性碳测年和校准测年.
- 动物的分析仍然需要确定饮食和经济活动.
- 沉积物学分析以确定古老环境指标,如厄尔尼诺现象.
主要成果:
- 该遗址的历史可追溯到 12,700 12,500 年前,是新世界海上经济活动的最古老证据之一.
- 挖掘的材料包括一个炉子,石器工具,以及丰富的加工海洋动物群,主要是海鸟和鱼.
- 沉积层表明,厄尔尼诺现象在该遗址在普世晚期和全新世纪早期被占领期间是活跃的.
结论:
- 奎布拉达塔卡胡亚提供了关于美洲早期复杂的海上资源开发的重要证据.
- 厄尔尼诺现象指标的存在表明,这种气候现象影响了在普莱斯托纪晚期和全新纪早期的沿海生态系统和人类人口.
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