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Spatial and temporal change patterns of freeze-thaw erosion in the three-river source region under the stress of climate warming
Guo, Bing1; Luo, Wei2; Wang, Dong-liang2; Jiang, Lin1
2017-06-01
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume14Issue:6Pages:1086-1099
Corresponding AuthorLuo, Wei(luowei@radi.ac.cn) ; Wang, Dong-liang(wangdl@igsnrr.ac.cn)
AbstractThe three-river source region (TRSR), located in the Qinghai-Tibet Plateau in China, suffers from serious freeze-thaw (FT) erosion in China. Considering the unique eco-environment and the driving factors of the FT process in the TRSR, we introduce the driving force factors of FT erosion (rainfall erosivity and wind field intensity during FT period) and precipitation during the FT period (indicating the phase-changed water content). The objective was to establish an improved evaluation method of FT erosion in the TRSR. The method has good applicability in the study region with an overall precision of 92%. The spatial and temporal changes of FT erosion from 2000 to 2015 are analyzed. Results show that FT erosion is widely distributed in the TRSR, with slight and mild erosion being the most widely distributed, followed by moderate erosion. Among the three sub-regions, the source region of the Yellow River has the slightest erosion intensity, whereas the erosion intensity of the source region of Yangtze River is the most severe. A slight improvement can be observed in the condition of FT erosion over the whole study region from 2000 to 2015. Vegetation coverage is the dominant factor affecting the intensity of FT erosion in the zones with sparse vegetation or bare land, whereas the climate factors play an important role in high vegetation coverage area. Slopes > 28A degrees also have a significant effect on the intensity of FT erosion in the zones. The results can provide a scientific basis for the prevention and management of the soil FT erosion in the TRSR.
KeywordFreeze-thaw erosion Vegetation Precipitation Three-river source region Global warming
DOI10.1007/s11629-016-4348-x
WOS KeywordTIBETAN PLATEAU ; WIND EROSION ; CHINA ; GRASSLAND ; CLASSIFICATION ; DEGRADATION ; REACHES ; LAYER ; BASIN ; RIVER
Indexed BySCI
Language英语
Funding ProjectOpen fund of Key Laboratory for Digital Land and Resources of Jiangxi Province, East China University of Technology[DLLJ201709] ; Open fund of Key Laboratory for National Geographic Census and Monitoring, National Administration of Surveying, Mapping and Geoinformation[2016NGCM02] ; Open fund of Key Laboratory of Precise Engineering and Industry Surveying[PF2015-17] ; National Administration of Surveying, Mapping and Geoinformation ; National Natural Science Foundation of China[41501416] ; National Natural Science Foundation of China[40775019] ; Natural Science Foundation of Shandong Province[ZR2014DL001] ; Natural Science Foundation of Shandong Province[ZR2015DL005]
Funding OrganizationOpen fund of Key Laboratory for Digital Land and Resources of Jiangxi Province, East China University of Technology ; Open fund of Key Laboratory for National Geographic Census and Monitoring, National Administration of Surveying, Mapping and Geoinformation ; Open fund of Key Laboratory of Precise Engineering and Industry Surveying ; National Administration of Surveying, Mapping and Geoinformation ; National Natural Science Foundation of China ; Natural Science Foundation of Shandong Province
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000403677100007
PublisherSCIENCE PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/63154
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLuo, Wei; Wang, Dong-liang
Affiliation1.Shandong Univ Technol, Sch Civil & Architectural Engn, Zibo 255000, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100094, Peoples R China
Recommended Citation
GB/T 7714
Guo, Bing,Luo, Wei,Wang, Dong-liang,et al. Spatial and temporal change patterns of freeze-thaw erosion in the three-river source region under the stress of climate warming[J]. JOURNAL OF MOUNTAIN SCIENCE,2017,14(6):1086-1099.
APA Guo, Bing,Luo, Wei,Wang, Dong-liang,&Jiang, Lin.(2017).Spatial and temporal change patterns of freeze-thaw erosion in the three-river source region under the stress of climate warming.JOURNAL OF MOUNTAIN SCIENCE,14(6),1086-1099.
MLA Guo, Bing,et al."Spatial and temporal change patterns of freeze-thaw erosion in the three-river source region under the stress of climate warming".JOURNAL OF MOUNTAIN SCIENCE 14.6(2017):1086-1099.
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