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Alternative TitleVariation characteristics of stable isotopes in precipitation and river water in Fenghuoshan permafrost watershed
刘光生1,2; 王根绪1; 孙向阳1,2; 高洋1,2
Corresponding Author王根绪
Source Publication水科学进展
Other Abstract




Due to the complexity of the influence of freeze-thaw of active soil layer on water cycle,the hydrological observation is rare and difficult in permafrost watershed.In order to improve hydrological understanding in permafrost watershed,stable isotopes have proven utility since they reflect the integration of processes at smaller scales.Therefore,the spatial-temporal variation of stable isotopes in precipitation and river water of Fenghuoshan permafrost watershed was investigated,on the basis of variations in stable hydrogen and oxygen isotopes ratios(deltaD and delta~(18)O) for precipitation and river water during June to October,2009.The seasonality of stable isotopes for rain water suggests that the alternative influence of both continental air mass and monsoon air mass to local precipitation.The temporal-spatial distribution of stable isotopes for river water was influenced by the seasonality variation of river recharge from soil water and underground water and spatial difference of vegetation coverage.Along with the migration of freeze-thaw front of active soil layer,the source of river water and the variation characteristics of stable isotopes for river water changed.This suggests that the freeze-thaw of active soil layer plays an important role in rainfall-runoff process in permafrost watershed.In addition,evaporation played important role in the fractionation of water isotopes.

Keyword风火山流域 同位素 降水 多年冻土 河水
Subject AreaP339
Indexed ByEI ; CSCD ; 北大中文核心
Funding Organization国家自然科学基金资助项目(40730634 ; 40925002)
Accession numberAccession number:20124515645311
Citation statistics
Cited Times:9[CSCD]   [CSCD Record]
Document Type期刊论文
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
刘光生,王根绪,孙向阳,等. 多年冻土区风火山流域降水河水稳定同位素特征分析[J]. 水科学进展,2012,23(5):621-627.
APA 刘光生,王根绪,孙向阳,&高洋.(2012).多年冻土区风火山流域降水河水稳定同位素特征分析.水科学进展,23(5),621-627.
MLA 刘光生,et al."多年冻土区风火山流域降水河水稳定同位素特征分析".水科学进展 23.5(2012):621-627.
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