SEMIKOLENNYKH, Daria, Department of quaternary research, Institute of Geography, Russian Academy of Sciences, 29 Staromonetmiy Lane, Moscow, 119017, Russian Federation; Scientific Laboratory of the Pleistocene Paleogeography of the Faculty of Geography, Moscow M.V. Lomonosov State University, 1 Leninskie Gory, Moscow, 119991, Russia, YANINA, Tamara, Faculty of Geography, Moscow M.V. Lomonosov State University, 1 Leninskie Gory, Moscow, 119991, Russia and KURBANOV, Redzhep, Pleistocene Paleogeography Lab., Faculty of Geography, Lomonosov Moscow State University, 1 Leninskie Gory, Moscow, 119991, Russia