不同去趋势方法的新疆东天山高低海拔雪岭云杉树轮宽度年表对气候的响应

	不同去趋势方法的新疆东天山高低海拔雪岭云杉树轮宽度年表对气候的响应
其他题名	The response of tree-ring chronologies of Schrenk spruce (Picea schrenkiana Fisch. et Mey.) to climate change at high- and low- elevations of the eastern Tianshan Mountains,Xinjiang,using different detrending methods
	彭正兵 1; 李新建 2; 张瑞波 3; 秦莉 4; 张合理 5; 陈友平 6; 刘蕊 7
	2019
发表期刊	生态学报
ISSN	1000-0933
卷号	39 期号:5 页码:1595-1604
摘要	Tree-ring samples from Schrenk spruce (Picea schrenkiana Fisch. et Mey.) were collected from high- and low-elevations of the eastern Tianshan Mountains,Xinjiang. Three detrending methods (smoothing spline,negative exponential function, and regional curve) were used to develop tree-ring width chronologies. The characteristics of these chronologies and the relationship between radial growth and climate change at different elevations were compared. The results showed that (1) detrending method had little effect on the reliability of the chronologies,and the chronologies from low elevations contained more reliable climate change information. (2) The radial growth at high elevations positively correlated with the mean temperature from June to September; the correlation coefficient for the standardized tree-ring chronology and temperature in July was 0.553 (P<0.01, n=58). The temperature in the summer may be the main limiting factor for the radial growth of these trees at high elevation. Meanwhile, the radial growth of trees at low elevation was positively correlated with precipitation in spring, and negatively correlated with mean temperature in the spring. Higher temperatures and lower precipitation in the spring combined to cause a drought in the early growing season. Furthermore, the drought in the spring limited the radial growth of trees. (3) The regional curve method retained more low-frequency information in the tree-ring standardized chronology, but the advantage was not obvious. There were higher correlation coefficients in the low-frequency of the chronologies between high elevation and low elevations. In summary, the negative exponential function method may be more suitable than the smoothing spline and regional curve methods for dendroclimatology studies on the eastern Tianshan Mountains.
其他摘要	利用新疆东天山高低海拔雪岭云杉(Picealpha schrenkiana Fisch.et Mey.)年轮样本,采用样条函数法、负指数函数法和区域曲线法3种去趋势方法研制树轮宽度标准化年表,通过分析不同去趋势方法的新疆东天山高低海拔云杉树轮宽度标准化年表特征、年表与气候响应的关系和年表间在不同频域互相关,及其与其它资料对比发现:(1)3种去趋势法对东天山年表质量影响较小,低海拔树轮年表含有更多可靠的气候变化信息。(2)高海拔的雪岭云杉树木径向生长与69月平均气温均呈显著正相关,其中标准化树轮年表与7月平均气温相关系数达0.553(P<0.01,n= 58),夏季温度可能是东天山高海拔雪岭云杉径向生长的主要限制因子;低海拔雪岭云杉树木径向生长与春季降水显著正相关,同时与春季平均气温显著负相关,春季高温和缺水共同作用的春旱可能是影响低海拔雪岭云杉径向生长的主导因子,且负指数函数年表对气候响应更敏感。(3)区域曲线法能够保留树轮标准化年表中更多低频信息,但优势不明显。高低海拔标准化年表在低频域相关系数较大,并和历史干旱事件有很好的对应。在东天山高低海拔雪岭云杉的去趋势方法研究中,负指数函数法比样条函数法和区域曲线法更适合。
关键词	雪岭云杉(Picealpha schrenkiana Fisch.et Mey.) 东天山树木年轮气候响应去趋势方法 Schrenk spruce (Picea schrenkiana Fisch. et Mey.) eastern Tianshan Mountains tree-ring climate response detrending method
收录类别	CSCD
语种	中文
WOS关键词	Life Sciences & Biomedicine - Other Topics
WOS研究方向	Science & Technology
WOS类目	BIOLOGY
CSCD记录号	CSCD:6447593
引用统计	被引频次：9[CSCD] [CSCD记录]
文献类型	期刊论文
专题	任务一_子任务一循证社会科学证据集成任务一
作者单位	1.新疆师范大学地理科学与旅游学院;;中国气象局乌鲁木齐沙漠气象研究所, ;;中国气象局树轮年轮理化研究重点实验室;;新疆树木年轮生态实验室, 乌鲁木齐;;乌鲁木齐, ;; 830054;;830002 2.中国气象局乌鲁木齐沙漠气象研究所;;新疆农业气象台, 中国气象局树轮年轮理化研究重点实验室;;新疆树木年轮生态实验室;;, 乌鲁木齐;;乌鲁木齐, ;; 830002;;830002 3.中国气象局乌鲁木齐沙漠气象研究所, 中国气象局树轮年轮理化研究重点实验室;;新疆树木年轮生态实验室, 乌鲁木齐, 新疆 830002, 中国 4.中国气象局乌鲁木齐沙漠气象研究所, 中国气象局树轮年轮理化研究重点实验室;;新疆树木年轮生态实验室, 乌鲁木齐, 新疆 830002, 中国 5.中国气象局乌鲁木齐沙漠气象研究所, 中国气象局树轮年轮理化研究重点实验室;;新疆树木年轮生态实验室, 乌鲁木齐, 新疆 830002, 中国 6.新疆师范大学地理科学与旅游学院;;中国气象局乌鲁木齐沙漠气象研究所, ;;中国气象局树轮年轮理化研究重点实验室;;新疆树木年轮生态实验室, 乌鲁木齐;;乌鲁木齐, ;; 830054;;830002 7.新疆师范大学地理科学与旅游学院;;中国气象局乌鲁木齐沙漠气象研究所, ;;中国气象局树轮年轮理化研究重点实验室;;新疆树木年轮生态实验室, 乌鲁木齐;;乌鲁木齐, ;; 830054;;830002
推荐引用方式 GB/T 7714	彭正兵,李新建,张瑞波,等. 不同去趋势方法的新疆东天山高低海拔雪岭云杉树轮宽度年表对气候的响应[J]. 生态学报,2019,39(5):1595-1604.
APA	彭正兵.,李新建.,张瑞波.,秦莉.,张合理.,...&刘蕊.(2019).不同去趋势方法的新疆东天山高低海拔雪岭云杉树轮宽度年表对气候的响应.生态学报,39(5),1595-1604.
MLA	彭正兵,et al."不同去趋势方法的新疆东天山高低海拔雪岭云杉树轮宽度年表对气候的响应".生态学报 39.5(2019):1595-1604.