Contents

Water Resources

Vol. 50, No. 2, 2023

Water Resources and the Regime of Water Bodies

Sap Flow Measurement as an Instrument for Evaluating Transpiration in Water Balance Studies of a River Basin

T. S. Gubareva, S. Yu. Lupakov, V. V. Shamov and B. I. Gartsman p. S121  abstract

Trend Analysis of Rainfall and Groundwater Level in Jaisalmer District of the Thar Desert, Rajasthan, India

H. Singh and M. P. Choudhary p. S134  abstract

Comparative Study of 1D Hydraulic Models Simulation Performed for the Panchganga River Reach by Using HEC-RAS and MIKE HYDRO River Software

Ambadas D. Kulkarni and Ganesh D. Kale p. S144  abstract

Hydrophysical Processes

Turbulent Viscosity and Flow Resistance in Tidal Estuaries

A. M. Alabyan and E. D. Panchenko p. S154  abstract

Experimental and Numerical Investigation of Un-Steady Non-Darcy Flow in Rockfill Materials (RFM)

H. Hajikazemian, J. Bazargan, M. Shokri, M. Safarian and H. Norouzi p. S164  abstract

Hydrochemistry, Hydrobiology: Environmental Aspects

Fluorine Concentrations in the Lena R. Water from 1995 to 2021

A. V. Savenko, V. S. Savenko and V. A. Efimov p. S172  abstract

Oil-Product Pollution of the Kamchatka River

I. P. Blokov and E. A. Vasil’eva p. S177  abstract

Geoecological and Hydrochemical Features of the Akkem River Basin (Mountain Altai)

E. V. Borodina p. S188  abstract

Multivariate Statistical Analysis in Assessing Surface Water Toxicity in the Volga Reservoirs (Based on the Results of Bioassay and Chemical Analysis)

R. A. Lozhkina, D. G. Seleznev, I. I. Tomilina and M. V. Gapeeva p. S203  abstract

The Effect of Hydrological Conditions in Different Parts of a Large Lowland Reservoir on the Structure of Plankton and Seston as a Whole

S. V. Bykova, M. V. Umanskaya, N. G. Tarasova, O. V. Mukhortova, M. Yu. Gorbunov and E. S. Krasnova p. S213  abstract

Hydrocarbon Transformations in Bottom Sediments after an Emergency Spill of Diesel Fuel in Norilsk

Yu. S. Glyaznetsova and I. A. Nemirovskaya p. S224  abstract

Geochemical Characteristic of Spring Water in the Southern Part of Balashikha Urban District, Moscow Region

O. A. Lipatnikova, T. N. Lubkova, D. A. Yablonskaya and L. A. Dmitrieva p. S239  abstract

Sensitivity of Laboratory Test Organisms to Potassium Dichromate in Natural Water of the Moskva River

E. V. Oganesova, T. A. Samoilova, E. S. Dmitrieva, L. A. Dukhova, V. V. Trofimova and S. Yu. Kladiti p. S251  abstract

Elemental Composition of the Algae Spirogyra (Zygnematophyceae, Charophyta) from the Littoral Zone of Lake Baikal

N. N. Kulikova, E. P. Chebykin, E. A. Volkova, O. A. Timoshkin and A. N. Suturin p. S261  abstract

Comprehensive Evaluation of Geological Environmental Quality and Water Ecological Function in Zipingpu Reservoir Area of Chengdu City

Yang Zuanyun, Wang Yuanjun, Yang Shaoping, Chen Chao and Long Yanfei p. S278  abstract

Hydrogeochemical and Isotopic Characteristics and Assessment of Groundwater Quality of the Aquifers in Djeffara Medenine (Southeastern-Tunisia)

S. Sahal, S. Kamel, B. Ayed and I. Nouiri p. S288  abstract