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Spatial and temporal variations of aeolian sediment input to the tributaries (the Ten Kongduis) of the upper Yellow River
Yang, Hui1,2; Shi, Changxing2
2018-02-01
Source PublicationAEOLIAN RESEARCH
ISSN1875-9637
Volume30Pages:1-10
Corresponding AuthorShi, Changxing(shicx@igsnrr.ac.cn)
AbstractThe Ten Kongduis of the upper Yellow River, located in Inner Mongolia, northern China, is an area with active wind-water coupled erosion and hence one of the main sediment sources of the Yellow River. In this study, we analyzed the characteristics of spatial and temporal variations of aeolian sediment input to the river channel. For this purpose, three segments of sand dune-covered banks of the Maobula and the Xiliugou kongduis were investigated three times from November 2014 to November 2015 using a 3-D laser scanner, and the displacement of banks of desert reaches of three kongduis was derived from interpreting remote sensing images taking in the years from 2005 to 2015. The data of the surveyed sand dunes reveal that the middle kongduis were fed by aeolian sand through the sand dunes moving towards the river channels. The amount of aeolian sediment input was estimated to be about 14.94 x 10(4) t/yr in the Maobula Kongdui and about 5.76 x 10(4) t/yr in the Xiliugou Kongdui during the period from November 2014 to November 2015. According to the interpretation results of remote sensing images, the amount of aeolian sediment input to the Maobula Kongdui was about 15.74 x 10(4) t in 2011 and 18.2 x 10(4) tin 2012. In the Xiliugou Kongdui, it was in the range of 9.52 x 10(4) - 9.99 x 10(4) tin 2012 and in the springs of 2013 and 2015. In the Hantaichuan Kongdui, it was 7.04 x 10(4) t in 2012, 7.53 x 10(4) t in the spring of 2013, and 8.52 x 10(4) tin the spring of 2015. Owing to the changes in wind and rainfall, both interseasonal and interannual sediment storage and release mechanisms exist in the processes of aeolian sand being delivered into the kongduis. However, all of the aeolian sediment input to the Ten Kongduis should be delivered downstream by the river flows during a long term.
KeywordTen Kongduis Aeolian sand Terrestrial laser scanning Remote sensing images Aeolian-fluvial interaction
DOI10.1016/j.aeolia.2017.10.002
WOS KeywordDRYLAND ENVIRONMENTS ; FLUVIAL INTERACTIONS ; DEPOSITION VOLUMES ; WIND EROSION ; GRAVEL-BED ; DESERT ; AUSTRALIA ; GEOMORPHOLOGY ; LACUSTRINE ; SYSTEMS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41671004] ; National Natural Science Foundation of China[41371036]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaPhysical Geography
WOS SubjectGeography, Physical
WOS IDWOS:000424187600001
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/57091
Collection中国科学院地理科学与资源研究所
Corresponding AuthorShi, Changxing
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing, Peoples R China
2.Hebei Univ Water Resources & Elect Engn, Handan, Hebei, Peoples R China
Recommended Citation
GB/T 7714
Yang, Hui,Shi, Changxing. Spatial and temporal variations of aeolian sediment input to the tributaries (the Ten Kongduis) of the upper Yellow River[J]. AEOLIAN RESEARCH,2018,30:1-10.
APA Yang, Hui,&Shi, Changxing.(2018).Spatial and temporal variations of aeolian sediment input to the tributaries (the Ten Kongduis) of the upper Yellow River.AEOLIAN RESEARCH,30,1-10.
MLA Yang, Hui,et al."Spatial and temporal variations of aeolian sediment input to the tributaries (the Ten Kongduis) of the upper Yellow River".AEOLIAN RESEARCH 30(2018):1-10.
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