Summary
This chapter considers the results of a geochemical study of the suspended matter (SM) in the snow cover on the ice in Lake Baikal, and its probable sources. We develop the minimization of a function (geochemical distance, GD) to determine the contribution of each source to the snow SM in the lake ice. This function quantitatively expresses the degree of similarity of the mixture, using the material of potential sources and the real SM composition.
Based on the GD, the composition of SM in the snow cover was shown to be derived from the composition of the lakeshore complexes and atmospheric transfer from remote areas. The latter depends on the distance of the sampling site from the shore, and the impact of predominant and local winds.
Solving the optimization provided an estimate of the contribution of each potential source to the composition of the SM: for profiles 1 and 2 (Buguldeika Saddle), the contribution of the Goloustnaya block, the Sharyzhalgai series, Khamar-Daban, and the industrial centers of the Priangaria amounts to 10%, 10%, 15%, and 65%, respectively; for profile 3 (Academician Ridge), the contributions of the western and eastern shores, and transfer from remote areas (Bayandai) makes up 45%, 25%, and 30%, respectively.
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Koroleva, G.P., Antipin, V.S., Kosov, A.A., Mitichkin, M.A., Sandimirova, G.P. (2003). The Contribution of Eolian Material in the Composition of Suspended Matter in the Snow Cover of Ice from the Buguldeika Saddle and Academician Ridge in Lake Baikal. In: Kashiwaya, K. (eds) Long Continental Records from Lake Baikal. Springer, Tokyo. https://doi.org/10.1007/978-4-431-67859-5_22
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DOI: https://doi.org/10.1007/978-4-431-67859-5_22
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