Hydrosphere, Cryosphere and Climate

Research area 3

Water circulation at or near Earth’s surface occurs by rainfall, evapotranspiration, surface water and groundwater flows. Frozen water forms snow cover, glaciers, ice sheets and permafrost. We study couplings between water in all physical states and climate systems. This includes effects of natural or man-made changes in land cover, vegetation and water flow paths. We also explore the effects of climate change on water-borne flows of substances.
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Photo: Karin Jonsell

Water and climate are closely interlinked. This is manifested through the highly heterogeneous terrestrial water cycle, and its water exchanges with the atmosphere and the oceans through precipitation, evapotranspiration, surface water flows and groundwater flows. This research area studies the mutual feedback between climate and water circulation in the crust and its hydrological basins and at different timescales and spatial scales. Reflections and projections of climate-driven changes in coupled surface water-groundwater systems, sediments, the terrestrial cryosphere and ecosystems are considered. In addition to climate change, terrestrial hydrology changes have also other drivers, such as changes in land use, vegetation and water use, which to large extent are related to human activities, and directly affect evapotranspiration, regional climate and atmospheric circulation. We furthermore explore how hydro-climatic changes can influence travel times, transport and attenuation of different water-borne substances in various hydrological, geological and environmental system compartments. We foster research on the interactions between water, topography, glaciation and erosion and their influence of landscape evolution and mountain building processes. We look at crustal-scale faults as either barriers or conduits of CO2 flow, as this is crucial for predicting the long-term integrity of geological CO2 storage sites and the earthquake cycle. 

 

Research Area 3 Co-Leader
Margareta Hansson
Department of Physical Geography (NG)
Stockholm University
106 91 Stockholm
Sweden

Tel. +46 8 674 78 65
Margareta.Hansson[at]natgeo.su.se
Margareta Hansson, Bolin Centre for Climate Research, photo: Cecilia Bruzelius

Research Area 3 Co-Leader
Arvid Bring

Department of Physical Geography (NG)
Stockholm University
106 91 Stockholm
Sweden

Tel. +46 8 16 47 78
arvid.bring[at]natgeo.su.se
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Bolin Centre for Climate Research
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