气候历史与太平洋首领的兴衰之间的联系
Chuan-Chou Shen1,2, Felicia Beardsley3, Shou-Yeh Gong4
1Department of Geosciences, High-Precision Mass Spectrometry and Environment Change Laboratory (HISPEC), National Taiwan University, Taipei 10617, Taiwan, ROC.
PNAS nexus
|October 3, 2024
概括
古代的波恩派是什么意思
科学领域:
- 考古学的考古学
- 古气候学 古气候学
- 岛屿研究 岛屿研究
背景情况:
- 海洋岛屿面临海平面上升和气候变化的重大挑战.
- 对于社会适应这些变化的历史先例很少.
- 索德勒王朝的首都南马多尔 (Nan Madol) 是一个潜在的案例研究.
研究的目的:
- 解决南马杜尔建造的时间和索德勒王朝的历史问题.
- 调查对王朝兴衰的潜在环境影响.
- 为当代面临气候变化的岛国提供历史背景.
主要方法:
- 171个珊瑚碎片的放射测年 (-230测年).
- 挖掘的木炭样本的放射性碳测年 (碳-14).
- 分析建设阶段和社会变化.
主要成果:
- 确定了两个主要的建设阶段:10-12世纪 (王朝的起) 和12世纪末-15世纪初 (社会重组和衰退).
- 建筑阶段比以前估计的要早几个世纪.
- 有证据表明,社会重组和潜在的放弃与环境因素有关.
结论:
- 厄尔尼诺-南方振荡变化和海平面上升可能挑战了南马多尔的建设和维护.
- 恶劣的气候条件可能刺激了适应 (海水防御),但最终导致遗弃.
- 索德勒王朝的历史为现代岛国提供了沿海弹性教训.
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