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题名: The origin and sources of loess-like sediment in the Jinsha River Valley, SW China
作者: Pan, BT(潘保田); Guan, QY(管清玉); Gao, HS(高红山); Guan, DS; Liu, FL; Li, ZM; Su, H
收录类别: SCIE ; BIOSIS
出版日期: 2014-01
刊名: BOREAS
卷号: 43, 期号:1, 页码:121-131
出版者: WILEY
出版地: HOBOKEN
英文摘要: The grain size of the loess-like sediment in the Jinsha River Valley is essentially similar to that of typical loess, and it differs from that of the fluvial sediment in the Jinsha River area. We conclude that the loess-like sediment is of aeolian origin, as is the loess of the Chinese Loess Plateau. The geochemical characteristics of the loess-like sediment are similar to those of dammed lake and fluvial sediments in the same area, which is significantly different from those of the typical loess in NW China. The geochemical characteristics show that the loess-like sediment originated from proximal materials. Combined with the grain-size distribution pattern of the aeolian deposits, we suggest that the loess-like sediment of the Jinsha River Valley originated from the dammed lake and fluvial sediments that accumulated in the valley. The local mountain-valley wind circulation (especially the valley wind in winter and spring) provided the transport force for the loess-like sediment. The presentation of the loess-like sediment may indicate the appearance of the grassland and forest steppe and the beginning of the dry-hot valley phenomenon.
作者部门: [Pan, Baotian ; Guan, Qingyu ; Gao, Hongshan ; Guan, Dongsheng ; Liu, Fenliang ; Li, Zongmeng] Lanzhou Univ, MOE Key Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China ; [Pan, Baotian ; Guan, Qingyu ; Gao, Hongshan ; Guan, Dongsheng ; Liu, Fenliang ; Li, Zongmeng] Lanzhou Univ, Coll Earth & Environm Sci, Lanzhou 730000, Peoples R China ; [Su, Huai] Yunnan Normal Univ, Coll Tourism & Geog Sci, Kunming 650500, Peoples R China
通讯作者: Pan, BT (reprint author), Lanzhou Univ, MOE Key Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China.
学科分类: Physical Geography; Geology
文章类型: Article
所属项目编号: NSFC ; Yunnan Province [U0933604] ; National Science Foundation for Distinguished Young Scholars of China [40925001] ; Program for New Century Excellent Talents in University [NCET-11-0208] ; Fundamental Research Funds for the Central Universities [lzujbky-2013-k20]
所属项目名称: 国家自然科学基金项目 ; 国家杰出青年科学基金项目 ; 新世纪优秀人才支持计划 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; MOE ; LZU
语种: 英语
DOI: 10.1111/bor.12026
ISSN号: 0300-9483
WOS记录号: WOS:000328619600007
BIOSIS记录号: BIOSIS:PREV201400098290
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/120373
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Pan, BT,Guan, QY,Gao, HS,et al. The origin and sources of loess-like sediment in the Jinsha River Valley, SW China[J]. BOREAS,2014,43(1):121-131.
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