Acta Geographica Sinica, Volume. 75, Issue 1, 68(2020)

Magnetic characteristics of Qiangyong Co Lake sediments, southern Tibetan Plateau and its environmental significance during 1899-2011

Xing GAO1...1, Shichang KANG2,2, Qingsong LIU3,3, Pengfei CHEN2,2, and Zongqi DUAN1,1,44 |Show fewer author(s)
Author Affiliations
  • 1State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
  • 1中国科学院地理科学与资源研究所 资源与环境信息系统国家重点实验室,北京 100101
  • 2State Key Laboratory of Cryospheric Science, Institute of Eco-Environment and Resources, CAS, Lanzhou 730000, China
  • 2中国科学院西北生态环境资源研究院 冰冻圈与全球变化研究室,兰州 730000
  • 3Department of Marine Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, Guangdong, China
  • 3南方科技大学海洋科学与工程系,深圳 518055
  • 4The Geographical Society of China, Beijing 100101, China
  • 4中国地理学会,北京 100101
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    Figures & Tables(7)
    枪勇错湖泊地理位置Fig. 1
    枪勇错沉积物环境磁学参数变化和Hg含量变化注:Hg含量变化及年代数据来自文献[12]。Fig. 2
    枪勇错沉积物的Day图(a)、磁滞回线(b)、IRM获得曲线(c)和反向退磁曲线(d)Fig. 3
    枪勇错沉积物饱和等温剩磁(SIRM, a)、特征样品2-2、2-12和2-19的IRM获得曲线的分解曲线(b~g)、一阶反转曲线(FORCs, h~j)和磁化率随温度变化(c-T, k~m)Fig. 4
    枪勇错沉积物特征样品的低温曲线零场冷却曲线及其一阶导数曲线(a. 实线为零场冷却曲线; 虚线为其一阶导数曲线; b. 特征样品漫反射光谱强度的二阶导数曲线)Fig. 5
    枪勇错磁性矿物组分变化与Hg含量及浪卡子降水和气温的相关性Fig. 6
    枪勇错磁性矿物不同组分的占比变化(a~d)与浪卡子气象站降水(e)、气温(f)、青藏高原平均气温变化、北半球平均温度变化(g)和Hg含量的变化趋势注:Hg含量变化及年代数据来自文献[12];青藏高原和北半球平均温度距平数据来自文献[16]。Fig. 7
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    Xing GAO, Shichang KANG, Qingsong LIU, Pengfei CHEN, Zongqi DUAN. Magnetic characteristics of Qiangyong Co Lake sediments, southern Tibetan Plateau and its environmental significance during 1899-2011[J]. Acta Geographica Sinica, 2020, 75(1): 68

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    Paper Information

    Received: Sep. 25, 2019

    Accepted: --

    Published Online: Oct. 16, 2020

    The Author Email:

    DOI:10.11821/dlxb202001006

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