Abstract
Data gathered from the mean annual water expenditures of the Ural River basin, obtained at 15 hydrological stations over a 70-year observation period was used to analyze its water content fluctuations and the correlation of discharge oscillations with different climate indices. Based on the Morlet-6 wavelet, the method of continuous wavelet transformation was applied to reveal latent periodicities in the discharge series. To establish factors responsible for discharge cycles, a cross wavelet analysis was performed on solar activity, types of Vangengeim atmospheric circulation, and three climate indices: the Atlantic Multidecadal Oscillation, the North Atlantic Oscillation, and the Arctic Oscillation.
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Original Russian Text © D.Yu. Vasil’ev, J.T. Sivohip, A.A. Chibilev, 2016, published in Doklady Akademii Nauk, 2016, Vol. 469, No. 1, pp. 102–107.
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Vasil’ev, D.Y., Sivohip, J.T. & Chibilev, A.A. Climate dynamics and interdecadal discharge fluctuations in the Ural River basin. Dokl. Earth Sc. 469, 710–715 (2016). https://doi.org/10.1134/S1028334X16070096
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DOI: https://doi.org/10.1134/S1028334X16070096