IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Impacts of Grassland Vegetation Cover on the Active-Layer Thermal Regime, Northeast Qinghai-Tibet Plateau, China
Wang, Genxu1,2; Liu, Lin'an1; Liu, Guangsheng1; Hu, Hongchang2; Li, Taibin2
Corresponding AuthorWang, GX(王根绪)
2010
Source PublicationPERMAFROST AND PERIGLACIAL PROCESSES
ISSN1045-6740
EISSN1099-1530
Volume21Issue:4Pages:335-344
SubtypeArticle
AbstractThe impact of vegetation cover on the active-layer thermal regime was examined in an alpine meadow located in the permafrost region of Qinghai-Tibet over a three-year period. A high vegetation cover (93%) delayed thawing and freezing at a given depth relative to sites with lower covers (65%, 30% and 5%). Low vegetation covers exhibited greater annual variability in soil temperatures, and may be more sensitive to changes in air temperature. Low vegetation covers are also linked to higher thermal diffusivity and thermal conductivity in the soils. The maintenance of a high vegetation cover on alpine meadows reduces the impact of heat cycling on the permafrost, may minimise the impact of climate change and helps preserve the microenvironment of the soil. Copyright (C) 2010 John Wiley & Sons, Ltd.
KeywordPermafrost Vegetation Cover Change Soil Thermal Properties Climate Change Impact
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/ppp.699
WOS Subject ExtendedPhysical Geography ; Geology
Indexed BySCI
WOS KeywordPERMAFROST DISTRIBUTION ; SOIL ; ALASKA ; DEGRADATION ; KAMCHATKA ; CLIMATE
Language英语
Quartile3区
TOP
WOS SubjectGeography, Physical ; Geology
WOS IDWOS:000285846900005
Funding OrganizationNational Key Scientific Plan (973)(2007CB411504) ; Natural Science Foundation of China(40925002 ; 40730634)
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5580
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Lanzhou Univ, Coll Resources & Environm, Lanzhou 730000, Peoples R China
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
Wang, Genxu,Liu, Lin'an,Liu, Guangsheng,et al. Impacts of Grassland Vegetation Cover on the Active-Layer Thermal Regime, Northeast Qinghai-Tibet Plateau, China[J]. PERMAFROST AND PERIGLACIAL PROCESSES,2010,21(4):335-344.
APA Wang, Genxu,Liu, Lin'an,Liu, Guangsheng,Hu, Hongchang,&Li, Taibin.(2010).Impacts of Grassland Vegetation Cover on the Active-Layer Thermal Regime, Northeast Qinghai-Tibet Plateau, China.PERMAFROST AND PERIGLACIAL PROCESSES,21(4),335-344.
MLA Wang, Genxu,et al."Impacts of Grassland Vegetation Cover on the Active-Layer Thermal Regime, Northeast Qinghai-Tibet Plateau, China".PERMAFROST AND PERIGLACIAL PROCESSES 21.4(2010):335-344.
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