Contents

Water Resources

Vol. 50, No. 3, 2023

Climate Change in the Arctic: Risks, Problems, and Life Safety

The Contribution of Summer Warming to Anomalies of Water Abundance in the Northern Dvina over the Last Century

V. V. Popova, O. N. Nasonova and D. D. Bokuchava p. S311  abstract

Assessment of the Kolyma Runoff under Current Climate Changes

A. A. Lisina, I. N. Krylenko, A. S. Kalugin, Yu. G. Motovilov, A. A. Sazonov and N. L. Frolova p. S318  abstract

High-Resolution Modeling of the Kara Sea Dynamics and Thermohaline Structure and Assessment of the Impact of Various River Runoff Forcing in the Model

S. D. Martyanov p. S323  abstract

Dynamics of Snow Cover Depth and Density in the Arctic under the Modern Climate

A. V. Sosnovskii and N. I. Osokin p. S328  abstract

Circulation-Related Causes of Changes in the Heat-Mass Exchange in West-Siberian Subarctic in the Period of Summer Warming: Case Study of Yamalo-Nenets Autonomous Okrug

T. B. Titkova and A. N. Zolotokrylin p. S333  abstract

Geological-Geophysical and Geochemical Studies in the Russian Arctic: Results and Perspectives

The Composition and Organic Matter of Bottom Sediments and Soil in the Drainage Basin Varvarinskoe Lake (Bolshoy Solovetsky Island)

E. A. Vakhrameeva and N. M. Kokryatskaya p. S338  abstract

Heavy Metal Concentrations and Groundwater Quality Assessment in the Territory of Leningrad Oblast and Southern Republic of Karelia

E. Yu. Yakovlev, A. S. Druzhnina, I. V. Tokarev, S. V. Druzhinin and N. L. Ivanchenko p. S341  abstract

The Main Features of Hydrology and Hydrogeochemistry of Bogs: Case Study of the Ilasskii Bog Massif

M. A. Lizunova, S. B. Selyanina and N. S. Trudova p. S346  abstract

Distribution and Structure of the Ice Complex of the Lena Delta Area

I. A. Platonov and M. N. Grigoriev p. S349  abstract

Assessment of River Runoff Formation Sources in the Mountain-Arid Zone by Data on Water Isotopic Composition

E. Yu. Yakovlev, I. V. Tokarev, S. A. Erokhin, T. V. Tuzova, S. V. Druzhinin, A. V. Puchkov, S. B. Zykov and A. S. Orlov p. S354  abstract

An Algorithm for Constructing a Network of Valleys Using GIS and DEM: Case Study of Arkhangelsk Oblast

A. L. Mineev, Yu. G. Kutinov, E. V. Polyakova, Z. B. Chistova and V. V. Staritsyn p. S358  abstract

The Role of Polar Ecosystems in Global Geochemical Cycles and Relationship with Climate Change

Dynamics of Palsa Mires of the Kola Peninsula as a Marker of Climate Change in the Arctic

P. A. Ryazantsev, S. A. Kutenkov, N. V. Krutskikh and A. V. Kabonen p. S362  abstract

Formation of the Ionic Composition of Water: Case Study of Small Lake on Bolshoi Solovetsky Island

K. V. Titova, T. A. Zhibareva, A. A. Sloboda, S. S. Popov, N. M. Kokryatskaya and I. S. Eliseeva p. S366  abstract