Journal of Geographical Sciences, Volume. 30, Issue 9, 1481(2020)
Magnetic characteristics of lake sediments in Qiangyong Co Lake, southern Tibetan Plateau and their application to the evaluation of mercury deposition
Fig. 2. Environmental magnetic parameters and mercury (Hg) concentrations of Qiangyong Co Lake (the Hg concentration and Qiangyong chronology are from Kang
Fig. 3. Day-plot (a), magnetic hysteresis loops (b), isothermal remnant magnetization (IRM) acquisition curves (c), and backfield demagnetization curves (d) of Qiangyong Co Lake
Fig. 4. Saturation isothermal remnant magnetization (SIRM) (a), Unmixing of IRM acquisition curves (b-g), First-order reversal curves (FORCs) (h-j) and χ-T (k-m) of typical samples
Fig. 5. Zero-field-cooling (ZFC) curves (a, the solid and dashed lines represent the origin data and first derivative data of the ZRC curves, respectively) and the second derivative curves of diffuse reflectance spectroscopy (DRS) (b) for selected samples from Qiangyong Co Lake
Fig. 6. Correlations between the variations of magnetic components and mercury (Hg) concentration in Qiangyong Co Lake and environmental indexes (annual average precipitation and temperature) of Nagarze station
Fig. 7. The variations of different magnetic components of Qiangyong Co Lake (a-d), annual precipitation (e), average temperature from Nagarze station (f), temperature anomaly of the Tibetan Plateau and the Northern Hemisphere (g), and Hg concentration (h) (the Hg concentration and Qiangyong chronology are from Kang
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Xing GAO, Shichang KANG, Qingsong LIU, Pengfei CHEN, Zongqi DUAN. Magnetic characteristics of lake sediments in Qiangyong Co Lake, southern Tibetan Plateau and their application to the evaluation of mercury deposition[J]. Journal of Geographical Sciences, 2020, 30(9): 1481
Category: Research Articles
Received: Nov. 28, 2019
Accepted: May. 21, 2020
Published Online: Apr. 21, 2021
The Author Email: DUAN Zongqi (duanzq@igsnrr.ac.cn)