Vol. 48, No. 6, 2021

Water Resources

Water Budget of the Caspian Sea in the Last Glacial Maximum by Data of Experiments with Mathematical Models

P. A. Morozova, K. V. Ushakov, V. A. Semenov and E. M. Volodin p. 823 abstract

Permafrost in the Caspian Basin as a Possible Trigger of the Late Khvalynian Transgression: Testing Hypothesis Using a Hydrological Model

A. N. Gelfan and A. S. Kalugin p. 831 abstract

Level Variations in the Caspian Sea under Different Climate Conditions by the Data of Simulation under CMIP6 Project

A. V. Kislov and P. A. Morozova p. 844 abstract

Dynamic-Stochastic Modeling of the Paleo-Caspian Sea Long-Term Level Variations (14–4 Thousand Years BC)

A. V. Frolov p. 854 abstract

Estimating Annual Volga Runoff in the Late Glacial Epoch from the Size of River Paleochannels

A. Yu. Sidorchuk, V. Yu. Ukraintsev and A. V. Panin p. 864 abstract

The Contribution of Glacial Melt Water to Annual Runoff of River Volga in the Last Glacial Epoch

A. V. Panin, A. Yu. Sidorchuk and V. Yu. Ukraintsev p. 877 abstract

Landscape and Climatic Conditions in the Central East European Plain in the last 22 Thousand Years: Reconstruction based on Paleobotanical Data

O. K. Borisova p. 886 abstract

Regularities in the Spasmodic Development of Deltas

M. V. Mikhailova p. 897 abstract

Water Availability of Sub-Basins with Restrictions on Use under Climate Change Scenarios in Brazil

Polyana Comino Redivo, Luciana Sanches, Marcelo de Carvalho Alves and Jhonatan Barbosa da Silva p. 905 abstract

Elevation Dependency of Climatic Variables Trends in the Last Decades in the Snow-Fed and Glacier-Fed Vakhsh River Basin, Central Asia

Aminjon Gulakhmadov, Rashid Davlyatov, Zainalobuddin Kobuliev and Xi Chen p. 914 abstract

Applicability of the Climate Hazards Group Infrared Precipitation with Stations as Rainfall Input for SWAT Watershed Modeling

Lanie A. Alejo, Victor B. Ella and Ronaldo B. Saludes p. 925 abstract

Role of Turbulent Bursts over Mobile Sand Beds under Dynamic Equilibrium Flow Conditions

Ratul Das and Pritam Malakar p. 936 abstract

Prediction of Flow around a Vertical Circular Pier in a Discordant Bed Channel Confluence

Nabina Khanam and Sushant K. Biswal p. 947 abstract

Velocity Distribution and the Moments of Turbulent Flow over a Sand-Gravel Mixture Bed

Anurag Sharma p. 960 abstract

The Distribution of Dissolved Forms of Metals and Metal–Humus Complexes in Zeya Reservoir Water

S. I. Levshina and L. A. Matyushkina p. 967 abstract

Distribution of Heavy Metals in Gray Silts in the Volga Cascade of Reservoirs

A. V. Maslov, I. A. Nemirovskaya and V. P. Shevchenko p. 977 abstract

Hydrogeochemical Processes and Quality Assessment of Groundwater in Sulin Mining Area, Northern Anhui Province, China

Huili Qiu, Herong Gui, Lin Cui and Zhenggao Pan p. 991 abstract

Spatio-Temporal Analysis of the Concentration and Composition of Planktonic Cyanobacteria Community in a Tropical Reservoir Chain

Múnera P. Luisa María, Nancy J. Pino and Gustavo A. Peñuela p. 1001 abstract

Simulation of Salinity Distribution of Anbar Salt Dome in Gotvand Reservoir in Iran, Using System Dynamics and Proposes a Strategy to Reduce Salinity

Sara Monjezi, Mohsen Najarchi, Mansour Mo’meni, Narges Monjezi and Houshang Hassuninezade p. 1013 abstract