树木年轮记录的中国南方冷季气温变化

来源 :第三届中国树木年轮学术研讨会 | 被引量 : 0次 | 上传用户：eagleqizha

【摘要】

：

冬春季的极端冷灾是我国南方一种严重的自然灾害。在气候变暖的背景下,近几年极端冷灾的频发受到了广泛关注。然而,目前关于我国南方极端冷灾的研究主要局限在器测资料时段,不足于理解极端冷灾的长期演变特征和驱动机制。本研究基于我国南方受寒潮影响较为频繁的湖南和江西地区5个样点(25-29°N,111-115°E)的树轮宽度资料重建了研究区过去160年(1849-2008年)的1-4月份气温变化历史。

【作者】

：

段建平张齐兵吕利新张朝

【机构】

：

中国科学院植物研究所,北京,100093

【出处】

：

第三届中国树木年轮学术研讨会

【发表日期】

：

2013年1期

【关键词】

：

树轮宽度冷季气温极端冷灾西伯利亚高压中国南方

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树木年轮记录的中国南方冷季气温变化

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