Abstract
The detailed electrical conductivity measurement (ECM), trace chemical compositions and microparticles concentration analysis are performed for BH8 ice core from the depth of 126.0m to 130.0m at Vostok Station. At depth 128.7m, a volcanic signal 4726 a B.P. is detected. The volcanic sulphate flux is 95.8 kg·km−2, sulphate peak concentration 1352.8 ng·g−1, duration time about 10.1 years, comparable with some well-known volcanic events. The results indicate that it seems to be a relatively large scale, long lasting volcanic signal with farther volcanic origin.
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Liu, L., Kang, J., Petit, J.R. et al. The 4700 aB.P. volcanic signal detected in Vostok BH8 ice core, Antarctica. Chin. Sci. Bull. 50, 2636–2639 (2005). https://doi.org/10.1007/BF03183662
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DOI: https://doi.org/10.1007/BF03183662