Vol. 47, No. 4, 2020

Water Resources

Two-Dimensional Distribution Law of Random Variables Having S. N. Kritskii and M. F. Menkel Three-Parameter Gamma Distributions: A Symmetrical Case

M. V. Bolgov and I. O. Sarmanov p. 517 abstract

Application of the Unified Stream Assessment Method to Determine the Direction of Revitalization of Heavily Transformed Urban Rivers

Łabaj Paweł, Wysocka Małgorzata, Janson Ewa and Deska Małgorzata p. 521 abstract

An Analysis of Allowable Groundwater Drawdown and Pumpage from a Karst Aquifer to Prevent Sinkhole Collapses in the Pearl River Delta, China

Yan Meng, Zhuojun Li and Long Jia p. 530 abstract

Application of 3D Numerical Model and Intelligent Systems in Discharge Coefficient Estimation of Combined Weir-Gate

Nima Aein, Mohsen Najarchi, Seyyed Mohammad Mirhosseini Hezaveh, Mohammad Mehdi NajafiZadeh and Ehsanollah Zeighami p. 537 abstract

A New Semi-Analytical Method to Calculate the Fluvial Erosion Rate of Non-Cohesive Riverbanks

Dongdong Jia, Jie Qin, Xingnong Zhang and Changying Chen p. 550 abstract

Surface Water Chemistry in the Kucherla River Basin, the Altai Mountains

E. V. Borodina and U. O. Borodina p. 560 abstract

Physicochemical and Microbiological Basis for Testing the Toxic Factors of Thermal Mineral Waters

S. V. Muradov, T. P. Belova and S. V. Rogatykh p. 571 abstract

Groundwater Hydrochemistry of Suprapermafrost–Intrapermafrost Flow in Their Discharge Areas in Central Yakutia

N. A. Pavlova, V. V. Shepelev, A. A. Galanin and V. S. Efremov p. 581 abstract

Dynamics and Overgrowth of Volga Reservoirs

V. G. Papchenkov and G. A. Papchenkova p. 591 abstract

Studying the Concentration of Microplastic Particles in Water, Bottom Sediments and Subsoils in the Coastal Area of the Neva Bay, the Gulf of Finland

Sh. R. Pozdnyakov, E. V. Ivanova, A. V. Guzeva, E. P. Shalunova, K. D. Martinson and D. A. Tikhonova p. 599 abstract

Oxygen Regime of the Channel Flow in the Small Maima River, Upper Ob Basin

A. V. Puzanov, Yu. V. Robertus, A. V. Kivatskaya and V. A. Sitnikova p. 608 abstract

Seasonal Dynamics of the Hypersaline Lake Oiburg (Crimea) as a Model for Studying Climate Change Effects

I. I. Rudneva and V. G. Shaida p. 613 abstract

Fluorine in the Surface Water of Bering Island

V. S. Savenko and A. V. Savenko p. 624 abstract

Space and Time Variations of the Concentrations of Dissolved Forms of Microelements in Amur River Water

N. M. Shesterkina, V. P. Shesterkin, V. S. Talovskaya and T. D. Ri p. 629 abstract

Estimating the Probable Maximum Precipitation by Physical Methods Using Satellite and Radiolocation Observation Data: Case Study of the Middle Urals

D. Y. Klimenko p. 641 abstract

Typification and the Current State of Baikal Lake Shore

E. A. Kozyreva, A. V. Kadetova, A. A. Rybchenko, V. A. Pellinen, A. A. Svetlakov and Yu. S. Tarasova p. 651 abstract

Elaboration of a Regional Concept for Developing a Water Disposal System for the Central Ecological Zone of the Baikal Natural Territory

E. I. Pupyrev, R. V. Chupin, E. S. Gogina, N. A. Makisha, I. A. Nechaev and M. M. Pukemo p. 663 abstract