I. M. Shkolnik, V. P. Meleshko, and V. M. Kattsov

The MGO Regional Climate Model for Climate Studies over Siberia

5

E. I. Potapov, G. S. Burundukov, I. A. Garaba, and V. I. Petrov

Weather Modification Activities on the Hail Processes in the Republic of Moldova

19

A. I. Burkov and O. I. Vozzhennikov

Estimation of the Concentration of Contaminants in the Atmosphere as a Result of Volatilization from Soil

29

 O. M. Andreev and B. V. Ivanov

One-Dimensional Thermodynamic Model of Hummock Evolution

38

B. V. Arkhipov, V. N. Koterov, V. V. Solbakov, D. A. Shapochkin, and Yu. S. Yurezanskaya

Mathematical Modeling of Oil Slick Spreading and Pollutant Dispersion in a Marine Medium  

44

V. M. Perekal’skii and E. P. Kremenetskaya

Mathematical Modeling of Thermodynamic and Oxygen Regimes of a Water Reservoir

60

A. V. Babkin

Forecast of the Level of Ladoga Lake with Large Lead Time

73

I. L. Kalyuzhnyi and S. A. Lavrov

Influence of Hydrological Regime on Carbon Dioxide Fluxes from an Oligotrophic Bog Massif in Northwestern Russia

84

A. S. Prokushin and G. Guggenberger

The Role of Climate Parameters in the Export of Dissolved Organic Matter from Watersheds in the Permafrost Zone of Central Siberia

93

L. Kh. Ingel

Vertical Motions due to Irregular Friction on the Underlying Surface

106
 REVIEWS AND CONSULTATIONS

A. M. Ovanesyants, T. A. Krasilnikova, and A. B. Ivanov

Environmental Pollution and Radiation Situation on the Russian Federation Territory in March 2007

110

A. I. Kotilevskaya  

Weather on the Russian Federation Territory in March 2007

115

E. V. Vasil’ev, V. I. Luk’yanov, and M. G. Naishuller

Anomalous Hydrometeorological Phenomena on the Russian Federation Territory in March 2007

118
 CHRONICLE A. I. Bedritskii (the 60th Birthday)   124
P. M. Lur’e (the 65th Birthday)   127
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