| 塔城西伯利亚落叶松树轮密度的气候响应研究 |
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| 引用本文： | 陈峰,袁玉江,王丽丽,魏文寿,李扬,Nievergelt Danie,喻树龙.塔城西伯利亚落叶松树轮密度的气候响应研究[J].干旱区资源与环境,2011(6):182-187. |
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| 作者姓名： | 陈峰 袁玉江 王丽丽 魏文寿 李扬 Nievergelt Danie 喻树龙 |
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| 作者单位： | 中国气象局乌鲁木齐沙漠气象研究所新疆维吾尔自治区树木年轮生态重点实验室中国气象局树木年轮理化研究重点实验室;中国科学院地理科学与资源研究所;瑞士联邦森林雪景观研究院 |
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| 基金项目： | 科技部公益性行业(气象)科研专项(GYHY200806011,GYHY200706008)、科技部科技基础性工作专项(2007FY220200)、科技部科研院所社会公益研究专项(2005DIB6J113)、;中国气象局新技术推广项目(CMATG2008Z13);国家自然科学基金(40975056)、国家自然科学重大基金(40890051);中央级公益性科研院所基本科研业务费项目(IDM200601,IDM200801);新疆气象局青年基金项目“塔城东部树轮密度对温度响应研究”共同资助 |
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| 摘 要： | 根据树轮密度实验的基本原理,选取新疆最具代表性的针叶树种西伯利亚落叶松,设计出一套完整的树轮密度实验流程,对Dendro2003树轮密度分析系统的校正系数进行计算,得出落叶松校正系数为0.761.通过与单芯校正系数的比对,发现在大样本量的条件下,采用此校正系数对树轮密度值进行校正,产生的误差很小,并通过实验获取的密度数...
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| 关 键 词： | 西伯利亚落叶松 树轮密度 校正系数 塔城 |
Climatic response of Larix sibiricatree-ring density parameters in Tacheng,Xinjiang |
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| CHEN Feng,YUAN Yujiang,WANG Lili,WEI Wenshou,LI Yang,Nievergelt Danie,YU Shulong.Climatic response of Larix sibiricatree-ring density parameters in Tacheng,Xinjiang[J].Journal of Arid Land Resources and Environment,2011(6):182-187. |
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| Authors: | CHEN Feng YUAN Yujiang WANG Lili WEI Wenshou LI Yang Nievergelt Danie YU Shulong |
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| Affiliation: | 1(1.Institute of Desert and Meteorology,China Meteorological Administration,Key Laboratory of Tree-ring Ecology of Uigur Autonomous Region,Key Laboratory of Tree-ring Physical Chemic Research of China Meteorological Administration,Urumqi 830002,P.R.China;2.Institute of Geographical Sciences and Natural Resources Research;Chinese Academy of Science,Beijing 100101,P.R.China;3.Swiss Federal Research Institute WSL,Zürcherstrasse 111,8903 Birmensdorf,Switzerland) |
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| Abstract: | According to the X-ray analysis principles of tree-ring density,we select the most representative species larch in Xinjiang to determine on the tree-ring density correction factor.The correction factor of Dendro-2003 tree-ring density analysis system of larch is 0.761.Compareing with the single correction factor,the error of result is small using the correction factors of two tree-ring density in the large sample size condition the.At the same time,compareing with tree-ring correction factor of Swiss Federal Institute for Forest,Snow and Landscape Research(WSL)and China national cliamte center(NCC),the correction factor of two laboratories is different,which may have been influenced by its own optical system and experimental environment.Determination the correction factor is necessary before Using Dendro2003 tree-ring density analysis system,and we also found that Dendro2003 tree-ring density system can reflect the density of wood objectively.In our study,we found that the Larix sibirica tree-ring density had a good response with the maximum temperature of the spring and summer in Tacheng,and had a potential to reconstruct a long climate series. |
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| Keywords: | Larix sibirica tree-ring density correction factor Tacheng |
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