Runoff over Siberian river basins as an integrate proxy of permafrost state

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Abstract


A new phenomenon has been investigated - an increase in the winter and early spring streamflow of northern rivers. Assuming that the increased discharge may be due to permafrost degradation in river basins, the thaw rate was estimated by modeling. A mathematical model that takes into account the typification of the four permafrost categories, reflecting the dependence of the runoff on the cryological conditions of the watershed areas, showed a rapid degradation of sporadic permafrost and expansion of discontinuous permafrost at the account of continuous one.


About the authors

V. P. Melnikov

Earth Cryosphere Institute, Tyumen Research Centre, Siberian branch of the Russian Academy of Sciences; Tyumen State University

Email: pavel@gisi.ru

Russian Federation, 625026, Tyumen, Malygina str., 86; 6, Volodarskogo, Tyumen, 625003

Academician of the Russian Academy of Sciences

P. V. Pikinerov

Industrial University of Tyumen

Author for correspondence.
Email: pavel@gisi.ru

Russian Federation, 38, Volodarskogo street, Tyumen, 625000

V. B. Gennadinik

Tyumen State University

Email: pavel@gisi.ru

Russian Federation, 6, Volodarskogo, Tyumen, 625003

A. G. Babushkin

Earth Cryosphere Institute, Tyumen Research Centre, Siberian branch of the Russian Academy of Sciences

Email: pavel@gisi.ru

Russian Federation, 625026, Tyumen, Malygina str., 86

D. V. Moskovchenko

Institute of the Problems of Northern Development, Tyumen Scientific Center, Siberian Branch of the Russian Academy of Sciences

Email: pavel@gisi.ru

Russian Federation, 625026, Tyumen, Malygina str., 86

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