树木径向生长主要去趋势方法与误差分析
Detrending Methods and Biases Analysis in Tree Radial Growth
查看参考文献37篇
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文摘
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树轮因其定年准确、分辨率高、连续性强、样本分布广泛等优势,已被广泛应用于历史气候的重建、生长-气候响应关系和林线动态等研究。树轮形成不仅取决于自身的生长发育,还受温度、降水、光照等环境因子的影响。不同去趋势方法影响树轮年表的质量和其中所含的不同频域气候信号,选择适合的生长趋势拟合方法以及误差分析,从而能从树轮资料中获取较多的气候信息并保证精度是树木年轮气候学研究的关键环节。文中综述了树木年轮气候研究中的主要生长趋势拟合方法,分析了不同方法的优缺点与适用性,并对年表的误差进行了分析,指出在未来树轮气候学研究中生长趋势拟合应注重多种方法和多种误差的结合分析。 |
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其他语种文摘
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The tree ring has been used widely in the study of historical climate reconstruction, growth-climate and treeline dynamics due to its advantages of accurate cross-dating, high resolution and good continuity. Tree-ring formation is not only determined by tree growth but also influenced by different environment drivers, e.g. temperature, precipitation and light. Different detrending methods could impact the quality of tree-ring chronology and the climate information contained. It is thus critical to choose the appropriate growth trend detection method and biases analysis in order to obtain more climate information and improve precision. Here, we reviewed the major widely used trend-detection methods, analyzed the advantages and disadvantages of different methods and their adaptation, and analyzed the biases in trend detection. It was recommended that more attention would be paid to the combined analysis of various methods and biases when analyzing trends in the dendroclimatology. |
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来源
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世界林业研究
,2017,30(3):59-63 【扩展库】
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DOI
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10.13348/j.cnki.sjlyyj.2017.0027.y
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关键词
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树木年轮
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树木径向生长
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去趋势法
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误差分析
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树轮气候学
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地址
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中国科学院水利部成都山地灾害与环境研究所, 成都, 610041
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-4241 |
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学科
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林业 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:6026834
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