Article title	Pages
Full issue	201-391
From the editorial board
D.V. Leontiev, V.N. Malinin, V.L. Mikheev, I.I. Palkin. Russian State Hydrometeorological University is 90 years old	207-218
Meteorology
S.P. Smyshlyaev, P.A. Blakitna, M.A. Motsakov, A.R. Yakovlev, M.V. Cherepova. Modeling the variability of the atmospheric gas composition at RSHU	219-240
A.I. Pogoreltsev, O.G. Aniskinа, A.Y. Kanukhina, T.S. Ermakova, A.I. Ugryumov, Y.V. Efimova. Tropospheric circulation response to sudden stratospheric warming observed in January 2013	241-255
Hydrology
V.V. Kovalenko, E.V. Gaidukova, N.V. Viсtorova, V.A. Khaustov, V.S. Devyatov. Results of probabilistic hydrological processes research at RSHU	255-268
Oceanology
V.N. Malinin, S.M. Gordeeva, Yu.V. Mitina, O.I. Shevchuk. Results of sea level studies at RSHU	269-305
Ecology
D.K. Alexeev, V.A. Shelutko, N.V. Zueva, E.V. Kolesnikova, E.S. Urusova, E.A. Primak. Research results in the field of applied and systems ecology at RSHU	306-324
A.B. Stepanova, E.Yu. Voyakina, A.V. Babin, N.V. Zueva, Yu.A. Zuev Results of studies of the coastal zone of Lake Ladoga in the area of Valaam Archipelago (1998—2019) at RSHU	325-350
M.B. Shilin, V.I. Sychev, V.L. Mikheev, Y.P. Istomin, Yu.A. Lednova, S.V. Luk’yanov, V.M. Abramov. Results of investigations of the Neva Bay technosphere at RSHU	351-370
Geoinformatics
P.P. Beskid, P. Yu. Bogdanov, V.A. Miklush, Т.М. Tatarnikova, E.A. Chernetsova, A.D. Shishkin. Results of research in the field of remote sensing methods for detecting oil pollution on the water surface conducted at the RSHU	371-391