I. P. Gabis

Quasi-biennial Oscillation of Zonal Wind in the Equatorial Stratosphere and Its Influence on Interannual Fluctuations in the Depth of the Antarctic Ozone Hole

5

N. S. Ivanova

A Statistical Model of Winter/Spring Polar Ozone

16

I. I. Mokhov and A. G. Poroshenko

Statistical and Model Estimates of the Relationship between the Intensity and Duration of Tropical Cyclones

25

I. I. Kryshev, T. G. Sazykina, A. I. Kryshev, I. V. Kosykh,
N. N. Pavlova, and A. A. Buryakova

Approaches and Criteria for Ecological Regulation of Environmental Quality by Radioactivity Levels

31

A. V. Konoplev, Y. Wakiyama, T. Wada, M. Ivanov,
M. A. Komissarov, and K. Nanba

Transformation of Radiocesium Speciation in Ponds at the Vicinity of Fukushima Dai-ichi Nuclear Power Plant and Its Dynamics in “Sediments–Water” System

38

A. L. Krylov, A. V. Nosov, and D. V. Aron

Approaches to the Development of Engineering Models of Radiocarbon Migration in Water Bodies

46

N. V. Popov, I. L. Govor, and M. L. Gitarskii

Greenhouse Gas Emission from Combustion of Associated Petroleum Gas in Russia

54

S. V. Kakareka and S. V. Salivonchik

Modeling Atmospheric Air Pollution of an Industrial City with Fine Particulate Matter

62

N. F. Chistyakova, N. N. Zhuravleva, O. V. Andreev, and A. I. Martyushova

Natural Mechanism of Formaldehyde Transformation in Atmospheric Air over Tyumen

76

A. T. Zinov’ev, K. B. Koshelev, A. V. D’yachenko, and K. V. Marusin

Numerical Simulation and Field Studies of Thermal Bar in Lake Teletskoe

86

M. A. Kashnitskaya and M. V. Bolgov

Closed Torey Lakes: Is It Possible to Predict Changes in Hydrological Regime?

95

M. V. Klyueva, I. M. Shkol’nik, Yu. L. Rudakova, T. V. Pavlova,
S. V. Efimov, and V. M. Kattsov

Impact of Climate Change on the Growth Rate of Cardiovascular Diseases in the Leningrad Region

99

D. A. Denisenkov, V. Yu. Zhukov, Yu. V. Kuleshov, and G. G. Shchukin

Radar Method for Detecting Wind Speed Vector Field Inhomogeneities

113

S. M. Vakulovskii

Development of Radioactive Environmental Pollution Monitoring after the Chernobyl Disaster

121

E. S. Dmitrevskaya, T. A. Krasil’nikova, and O. A. Markova

Environmental Pollution and Radiation Situation on the Russian Federation Territory in February 2021

124

N. V. Satina

Weather on the Russian Federation Territory in February 2021

130

A. D. Golubev, L. N. Parshina, and E. O. Petrov

Anomalous Hydrometeorological Phenomena on the Russian Federation Territory in February 2021

136

S. S. Chicherin (to the 75th Birthday)

142

Yu. S. Tsaturov (1939–2021)

143