1968 Ph.D degree for the thesis “Transformation of water balance (on the example of Central-Chernozem district, Rostov and Chelyabinsk regions)” 1988 Ph.D degree (Doctor of Sciences - Doctor Nauk) for the thesis “Polystructure of water balance of Russian Plain” Member of Scientific Committees of the Institute of Geography RAS, Dissertation Committees of the Institute if Geography RAS and Institute of Water Resources RAS, Moscow Department of the Russian Geographical Society, member of the Conservation Section of the Moscow House of Scientists Associate editor of magazines «News of RAN, series of geographic», «Water resources», «Problems of regional ecology». Member of Scientific and Technical Council of Committee for Water Resources of the Russian Federation. Supervised 18 post-graduates who successfully defended Ph.D. thesis. Academician of the Academy of Water economy Sciences Chairman of Hydrological commission of Moscow center of Russian Geographical Society Repeatedly lectured at the International UNESCO courses, at geography department of Moscow State University and others.

water balance and water resources of the territory, hydrochemistry, hydrological role of watersheds, small rivers, qualitative and quantitative assessment of water objects conditions, anthropogenic impact on water resources and its hydrological and ecological after-effects