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Combined tree-ring width and delta C-13 to reconstruct snowpack depth: a pilot study in the Gongga Mountain, west China
Liu, Xiaohong1; Zhao, Liangju2; Chen, Tuo1; Shao, Xuemei3; Liu, Qiao4; Hou, Shugui1; Qin, Dahe1; An, Wenling1
2011
Source PublicationTHEORETICAL AND APPLIED CLIMATOLOGY
Volume103Issue:1-2Pages:133-144
AbstractTree-ring width (TRW) and stable carbon isotope (delta C-13) in tree-ring cellulose of subalpine fir (Abies fabri) were used to develop high-resolution climate proxy data to indicate snow-depth variations in the Gongga Mountain, west China. Tree radial growth- and delta C-13-climate response analyses demonstrated that the TRW and delta C-13 at the timberline (3,400 m.a.s.l.) are mainly influenced by temperature and precipitation of previous growth seasons and current summer (June to August) under cold and humid conditions. Considering the analogous control factors on both tree growth and carbon isotope discrimination (Delta C-13) and snow accumulation, the negative and significant relationships between tree-ring parameters (TRW and Delta C-13) and mean monthly snowpack depth were found. Herein, by combining two tree-ring parameters, a primary snow-depth reconstruction (previous October to current May) over the reliable period A.D. 1880-2004 was estimated. The reconstruction explains 58.0% of the variance in the instrumental record, and in particular captures the longer-term fluctuations successfully. Except the period with extreme higher snowpack depth around 1990, the snowpack depth seems to fluctuate in a normal way. The reconstruction agrees with the nearby snowpack depth record in Kangding and the mean observed snowpack-depth variations of the stations on the Tibetan Plateau, particularly at long-term scales. The snowpack depth in low-frequency fluctuations, during the past century, agrees quite well with the Eastern India precipitation covering the period of previous October-current May. Our results suggest that combing tree-ring width and delta C-13 in certain subalpine tree species growing on the Tibetan Plateau may be an effective way for reconstructing regional snowpack variations.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS Subject ExtendedMeteorology & Atmospheric Sciences
WOS KeywordSUMMER MONSOON RAINFALL ; CARBON-ISOTOPE RATIOS ; FIR ABIES-LASIOCARPA ; TIBETAN PLATEAU ; TEMPERATURE VARIABILITY ; ALPINE TIMBERLINE ; PINUS-SYLVESTRIS ; CLIMATE SIGNAL ; RADIAL GROWTH ; REGION
Indexed BySCI
Language英语
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000285780900011
PublisherSPRINGER WIEN
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68052
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLiu, Xiaohong
Affiliation1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Ecohydrol & Integrated River Basin Sci, Lanzhou 730000, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Chengdu Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xiaohong,Zhao, Liangju,Chen, Tuo,et al. Combined tree-ring width and delta C-13 to reconstruct snowpack depth: a pilot study in the Gongga Mountain, west China[J]. THEORETICAL AND APPLIED CLIMATOLOGY,2011,103(1-2):133-144.
APA Liu, Xiaohong.,Zhao, Liangju.,Chen, Tuo.,Shao, Xuemei.,Liu, Qiao.,...&An, Wenling.(2011).Combined tree-ring width and delta C-13 to reconstruct snowpack depth: a pilot study in the Gongga Mountain, west China.THEORETICAL AND APPLIED CLIMATOLOGY,103(1-2),133-144.
MLA Liu, Xiaohong,et al."Combined tree-ring width and delta C-13 to reconstruct snowpack depth: a pilot study in the Gongga Mountain, west China".THEORETICAL AND APPLIED CLIMATOLOGY 103.1-2(2011):133-144.
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