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Spatial variations in paleowind direction during the last glacial period in north China reconstructed from variations in the anisotropy of magnetic susceptibility of loess deposits

文献类型：期刊论文

作者Ge, Junyi1,2,3; Guo, Zhengtang2; Zhao, Deai2; Zhang, Ying4; Wang, Tao4; Yi, Liang5; Deng, Chenglong5
刊名TECTONOPHYSICS
出版日期2014-08-26
卷号629页码:353-361
关键词Anisotropy of magnetic susceptibility Surface wind East Asian monsoon Regional topography
ISSN号0040-1951
DOI10.1016/j.tecto.2014.07.002
文献子类Article
英文摘要Anisotropy of magnetic susceptibility (AMS) of Chinese loess is considered to be an effective tool for determining paleowind direction. However, the relationship between AMS and the paleowind direction is still a matter of debate. This study reports the results of AMS measurements of Chinese loess deposited during the last glacial period on slopes of varying slope angles and orientations. The sites are located on the Chinese Loess Plateau, in West Qinling, and on the eastern margin of Qilian Mountain. The results show that within the same region, magnetic lineations are clustered along similar orientations despite differences in slope exposure and slope angle, but that different regions exhibit different directions of magnetic lineation. These results suggest that the alignment of the magnetic grains during deposition of the eolian deposits was determined by air circulation rather than by water flow on the surface of the slopes, and therefore that the AMS of Chinese loess can be used to determine paleowind directions. In addition, our results indicate that the AMS of Chinese loess is determined mainly by the patterns of regional surface wind flow that occurred during dust accumulation rather than by the uniform pattern of large-scale atmospheric circulation. In addition, since wind direction is influenced significantly by regional topography, the AMS of Chinese loess may have the potential to detect significant changes in past regional topography. (C) 2014 Elsevier B.V. All rights reserved.
WOS关键词NORTHEASTERN TIBETAN PLATEAU ; MONSOON VARIATIONS ; UPLIFT ; SEQUENCE ; PALEOMONSOON ; STRATIGRAPHY ; ACCUMULATION ; DEFORMATION ; PALEOSOLS ; SEDIMENTS
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000341474600028
出版者ELSEVIER SCIENCE BV
资助机构National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; 41002125) ; 41002125) ; 41002125) ; 41002125) ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; 41002125) ; 41002125) ; 41002125) ; 41002125) ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; 41002125) ; 41002125) ; 41002125) ; 41002125) ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Natural Science Foundation of China(41372362 ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; National Basic Research Program of China(2010CB950200) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; State Key Laboratory of Paleobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)(133105) ; 41002125) ; 41002125) ; 41002125) ; 41002125)
源URL[http://ir.iggcas.ac.cn/handle/132A11/84820]  
专题中国科学院地质与地球物理研究所
通讯作者Ge, Junyi
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins Chinese, Beijing 100044, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Paleobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
4.Chinese Acad Sci, Inst Atmospher Phys, Nansen Zhu Int Res Ctr, Beijing 100029, Peoples R China
5.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		 Ge, Junyi,Guo, Zhengtang,Zhao, Deai,et al. Spatial variations in paleowind direction during the last glacial period in north China reconstructed from variations in the anisotropy of magnetic susceptibility of loess deposits[J]. TECTONOPHYSICS,2014,629:353-361.
APA Ge, Junyi.,Guo, Zhengtang.,Zhao, Deai.,Zhang, Ying.,Wang, Tao.,...&Deng, Chenglong.(2014).Spatial variations in paleowind direction during the last glacial period in north China reconstructed from variations in the anisotropy of magnetic susceptibility of loess deposits.TECTONOPHYSICS,629,353-361.
MLA Ge, Junyi,et al."Spatial variations in paleowind direction during the last glacial period in north China reconstructed from variations in the anisotropy of magnetic susceptibility of loess deposits".TECTONOPHYSICS 629(2014):353-361.

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来源：地质与地球物理研究所

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