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OXYGEN ISOTOPE (δ18O) OF TEAK TREE-RINGS IN NORTHWEST THAILAND
Buajan,S1; Pumijumnong,N2; Li,Q3; Liu,Y3
2016
发表期刊Journal of Tropical Forest Science
卷号28期号:4页码:396-405
文章类型期刊论文
摘要We investigated the relationship between the oxygen isotopes in teak (Tectona grandis) tree-ring cellulose and climatic factors, i.e. rainfall, temperature and relative humidity. Four cores of teak from northwest Thailand were used to analyse the oxygen isotope values in α-cellulose. The oxygen isotopic composition of teak tree-ring α-cellulose ranged from 21.38‰ to 25.58‰. The mean tree-ring α-cellulose δ18O values and standard deviations were 23.4 ± 0.7‰. The δ18O value was positively correlated with rainfall in the February to April dry season (r = 0.234, p < 0.5) and negatively correlated with total rainfall (r = -0.350, p < 0.01), average rainfall (r = -0.321, p < 0.01) and relative humidity (r = -0.282, p < 0.05) in the late rainy season. The δ18O values were negatively correlated with the annual mean Palmer Drought Severity Index (PDSI) from 1948 to 2005 (r = -0.491, p < 0.001) based on the mean of 4 grids. Oxygen isotope values in the α-cellulose of teak from northwest Thailand were significantly related to the hydrological cycle in these areas.
关键词Α-cellulose Pdsi Hydrological Cycle Wood Cellulose Teak Tree-rings
收录类别SCI
所属项目编号RDG55H0006
语种英语
项目资助者ThailandResearch Fund (TRF) ; ThailandResearch Fund (TRF) ; project ‘Interactions between humans ; project ‘Interactions between humans ; their environments in highland PangMa Pha, Mae Hong Son Province’ ; their environments in highland PangMa Pha, Mae Hong Son Province’
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5868
专题现代环境研究室
通讯作者Pumijumnong,N
作者单位1.College of Forestry, Fujian Agriculture and forestry University, Fujian 350002, China
2.Faculty of Environment and Resource Studies, Mahidol University, Nakhon Pathom 73170,Thailand
3.Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China
推荐引用方式
GB/T 7714
Buajan,S,Pumijumnong,N,Li,Q,et al. OXYGEN ISOTOPE (δ18O) OF TEAK TREE-RINGS IN NORTHWEST THAILAND[J]. Journal of Tropical Forest Science,2016,28(4):396-405.
APA Buajan,S,Pumijumnong,N,Li,Q,&Liu,Y.(2016).OXYGEN ISOTOPE (δ18O) OF TEAK TREE-RINGS IN NORTHWEST THAILAND.Journal of Tropical Forest Science,28(4),396-405.
MLA Buajan,S,et al."OXYGEN ISOTOPE (δ18O) OF TEAK TREE-RINGS IN NORTHWEST THAILAND".Journal of Tropical Forest Science 28.4(2016):396-405.
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