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Magnetic characteristics of insoluble microparticles in ice core (Nojingkangsang) from the southern Tibetan Plateau and its environmental significance

文献类型：期刊论文

作者Duan ZongQi2,3; Gao Xing1; Liu QingSong3; Xu BaiQing2; Su YouLiang2
刊名SCIENCE CHINA-EARTH SCIENCES
出版日期2011-11-01
卷号54期号:11页码:1635-1642
关键词Nojingkangsang Insoluble Microparticles Rock Magnetism Sirm Climate Warming
ISSN号1674-7313
DOI10.1007/s11430-011-4271-5
文献子类Article
英文摘要Insoluble microparticles in ice cores are related closely to the transportation of eolian dust, and thus are important natural media to reconstruct climate change. In this study, we conducted a systematic mineral-magnetic investigation of insoluble microparticles in the Nojingkangsang ice core (29A degrees 2.1'N, 90A degrees 11.88'E, 5950 m) from the Southern Tibetan Plateau. Results indicate that the dominant magnetic mineral is magnetite, and its concentration has grown significantly since the 1980s, which coincides with trends in climate warming of the Tibetan Plateau. Influenced by regional warming, the glacial recession around Nojingkangsang shortens the distance between the dust source and glacial areas and thus increases the concentration of coarse-grained magnetic minerals in ice cores. However, the frequency of dust storms, associated with annual precipitation, could play only a regulatory role on the magnetic content over yearly (or seasonal) time scales. Therefore, using a new approach, the magnetic index of insoluble microparticles in ice cores of this region is seen as mainly reflecting trends in climate warming.
WOS关键词M-RS/M-S ; GREENLAND ICE ; CHINA ; SAMPLES ; RECORD ; SOILS
WOS研究方向Geology
语种英语
WOS记录号WOS:000296378400002
出版者SCIENCE PRESS
资助机构National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; CAS/SAFEA ; CAS/SAFEA ; CAS/SAFEA ; CAS/SAFEA ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 40974036 ; 40974036 ; 40974036 ; 40974036 ; 41074041 ; 41074041 ; 41074041 ; 41074041 ; 41025013) ; 41025013) ; 41025013) ; 41025013) ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; CAS/SAFEA ; CAS/SAFEA ; CAS/SAFEA ; CAS/SAFEA ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 40974036 ; 40974036 ; 40974036 ; 40974036 ; 41074041 ; 41074041 ; 41074041 ; 41074041 ; 41025013) ; 41025013) ; 41025013) ; 41025013) ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; CAS/SAFEA ; CAS/SAFEA ; CAS/SAFEA ; CAS/SAFEA ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 40974036 ; 40974036 ; 40974036 ; 40974036 ; 41074041 ; 41074041 ; 41074041 ; 41074041 ; 41025013) ; 41025013) ; 41025013) ; 41025013) ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; National Natural Science Foundation of China(40874033 ; CAS/SAFEA ; CAS/SAFEA ; CAS/SAFEA ; CAS/SAFEA ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 40974036 ; 40974036 ; 40974036 ; 40974036 ; 41074041 ; 41074041 ; 41074041 ; 41074041 ; 41025013) ; 41025013) ; 41025013) ; 41025013)
源URL[http://ir.iggcas.ac.cn/handle/132A11/73874]  
专题中国科学院地质与地球物理研究所
通讯作者Gao Xing
作者单位1.Chinese Acad Sci, State Key Lab Resources & Environm Informat Syst, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100085, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Duan ZongQi,Gao Xing,Liu QingSong,et al. Magnetic characteristics of insoluble microparticles in ice core (Nojingkangsang) from the southern Tibetan Plateau and its environmental significance[J]. SCIENCE CHINA-EARTH SCIENCES,2011,54(11):1635-1642.
APA Duan ZongQi,Gao Xing,Liu QingSong,Xu BaiQing,&Su YouLiang.(2011).Magnetic characteristics of insoluble microparticles in ice core (Nojingkangsang) from the southern Tibetan Plateau and its environmental significance.SCIENCE CHINA-EARTH SCIENCES,54(11),1635-1642.
MLA Duan ZongQi,et al."Magnetic characteristics of insoluble microparticles in ice core (Nojingkangsang) from the southern Tibetan Plateau and its environmental significance".SCIENCE CHINA-EARTH SCIENCES 54.11(2011):1635-1642.

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来源：地质与地球物理研究所

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