Modeling and Observations of Cold Regions Hydrosystems and Their Evolution Under Climate Change

Dear Colleagues,

This Special Issue invites contributions that explore the impacts of climate change on hydrological and biogeochemical processes in cold-region hydrosystems, including rivers, lakes, surface, soil, and groundwater in high-latitude and high-altitude environments. The Issue aims to unite theoretical modeling and experimental studies that focus on how warming temperatures affect the cycling of organic carbon (C), nutrients, and metals across aquatic and terrestrial compartments. Arctic and alpine regions are experiencing accelerated warming, potentially leading to the large-scale release of carbon from permafrost soils, which may amplify global climate change through increased greenhouse gas (GHG) emissions. However, the controls, timing, and extent of these releases remain poorly understood, largely due to limited knowledge of the linkages between biogeochemical cycling and hydrological processes in these cold environments.

We especially encourage studies investigating how climate-driven shifts influence the processing and transport of C, nutrients, and metal toxicants in surface waters, and how ecosystem-scale biotic activity and physical transport mechanisms contribute to solute mobilization. Interdisciplinary approaches that integrate field observations, laboratory experiments, and modeling are welcomed, with particular interest in research that elucidates the transfer of water and solutes from soils to aquatic systems and improves predictions of future climate impacts on cold-region water quality and carbon balance.

Dr. Oleg S. Pokrovsky
Dr. Liudmila S. Shirokova
Guest Editors

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