Ranking of tree-ring based temperature reconstructions of the past millennium
Ranking of tree-ring based temperature reconstructions of the past millennium
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DOI：
10.1016/j.quascirev.2016.05.009
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发表时间：
2016-08-01
影响因子：
4
通讯作者：
Buntgen, Ulf
中科院分区：
文献类型：
--
作者：
Esper, Jan;Krusic, Paul J.;Buntgen, Ulf
树木年轮年表被广泛用于重建数百年至数千年来生长季节温度的高频到低频变化。这些时间序列在大尺度气候重建中的相关性通常取决于它们与仪器温度数据的相关性。然而，这一单一的标准忽略了树木年轮年表的几个重要的定量和定性特征。这些特征是（i）数据同质性，（ii）样本重复性，（iii）生长连贯性，（iv）年表发展，以及（v）气候信号，包括与仪器数据的相关性。基于这5个特点，提出了一个重建评分方案，并应用于39个已发表的，千年长度的温度重建来自亚洲，欧洲，北美和南半球。结果显示，没有重建得分最高的每一个类别，每一个都有自己的长处和短处。整体表现较好的重建包括欧洲的N-Scan和芬兰，北美的E-Canada，亚洲的Yamal和Dzhelo。重建表现不太好的包括亚洲的西喜马拉雅和喀喇昆仑，欧洲的塔特拉和南芬兰，以及北美的大盆地。通过提供一套全面的标准来评估树木年轮年表，我们希望提高跨越过去千年的大规模温度重建的发展。所有重建及其相应的分数都在www.blogs.uni-mainz.de/fb09climatology上提供。(C)2016爱思唯尔有限公司版权所有
Tree-ring chronologies are widely used to reconstruct high-to low-frequency variations in growing season temperatures over centuries to millennia. The relevance of these timeseries in large-scale climate reconstructions is often determined by the strength of their correlation against instrumental temperature data. However, this single criterion ignores several important quantitative and qualitative characteristics of tree-ring chronologies. Those characteristics are (i) data homogeneity, (ii) sample replication, (iii) growth coherence, (iv) chronology development, and (v) climate signal including the correlation with instrumental data. Based on these 5 characteristics, a reconstruction-scoring scheme is proposed and applied to 39 published, millennial-length temperature reconstructions from Asia, Europe, North America, and the Southern Hemisphere. Results reveal no reconstruction scores highest in every category and each has their own strengths and weaknesses. Reconstructions that perform better overall include N-Scan and Finland from Europe, E-Canada from North America, Yamal and Dzhelo from Asia. Reconstructions performing less well include W-Himalaya and Karakorum from Asia, Tatra and S-Finland from Europe, and Great Basin from North America. By providing a comprehensive set of criteria to evaluate tree-ring chronologies we hope to improve the development of large-scale temperature reconstructions spanning the past millennium. All reconstructions and their corresponding scores are provided at www.blogs.uni-mainz.de/fb09climatology. (C) 2016 Elsevier Ltd. All rights reserved.