S. V. Borshch, Yu. A. Simonov, A. V. Khristoforov, and N. M. Yumina

Hydrological Science and Practice in the 21st Century

5

A. V. Romanov

A Roadmap of Modern Hydrological Forecasts of Water Regime

12

Yu. A. Simonov

Systems for Preparing and Issuing Hydrological Forecasts at Hydrometcenter of Russia

27

Yu. A. Simonov, S. V. Borsch, N. K. Semenova, and A. V. Khristoforov

Short-term Streamflow Forecasting for Russian Rivers Using the HBV-96 Hydrological Model and COSMO-Ru Numerical Weather Prediction System

37

N. K. Semenova, Yu. A. Simonov, and A. V. Khristoforov

Extended Streamflow Prediction for Russian Rivers

47

S. A. Lavrov

A Physically Based Mathematical Model of Hydrophysical Processes of Runoff Formation during a Climatic Year: The GGI-Gidrofizika Model

57

D. A. Migunov, P. N. Terskii, O. V. Gorelits, and E. L. Ratkovich

Current River Runoff Distribution in the Volga Delta: Analysis and Modeling

69

A. N. Bugaets, S. Yu. Lupakov, L. V. Gonchukov, O. V. Sokolov,
and N. Yu. Sidorenko

Efficiency of River Runoff Modeling in the Upper Ussuri Basin Using Observational Data and ERA5 Reanalysis

82

M. V. Georgievskii, A. V. Babkin, N. I. Goroshkova, A. V. Strizhenok,
and D. A. Semenova

Forecasting Ice Jam Peak Levels of the Sukhona River at Veliky Ustyug

96

A. G. Georgiadi and I. P. Milyukova

Peculiarities of Long-term Phases of the Increased and Decreased Don and Lena Runoff in the 19th–21st Centuries

104

E. A. Zakharova, I. N. Krylenko, A. A. Sazonov, N. K. Semenova,
and A. A. Lisina

Water Level Regime of Arctic Rivers According to Modelling and Satellite Measurements

115

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

Environmental Pollution and Radiation Situation on the Russian Federation Territory in September 2023

125

V. I. Zakharenkova and L. N. Parshina

Weather on the Russian Federation Territory in September 2023

131

A. D. Golubev, L. N. Parshina, and K. A. Sumerova

Anomalous Hydrometeorological Phenomena on the Russian Federation Territory in September 2023

133

INDEX

137