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生物通
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树轮稳定同位素揭示欧洲阿尔卑斯山全新世夏季长期变干趋势及其 ...
当前全球变暖及干旱极端事件受人为影响加剧,且现有气象测量时间受限,古气候重建存在不足。研究人员通过分析阿尔卑斯山树木的树轮稳定氧同位素(δ 18 O),重建欧洲夏季水文气候。结果发现全新世大部分时间有干燥趋势,这有助于理解气候与生态社会系统的关系。
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