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  2. Geovidenskab
  3. Hydrologi og hydrosfæren

Characterizing Groundwater Flow Dynamics and Storage Capacity in an Active Rock Glacier

Af: Simon Seelig Engelsk Paperback

Characterizing Groundwater Flow Dynamics and Storage Capacity in an Active Rock Glacier

Af: Simon Seelig Engelsk Paperback
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Alpine aquifers play a critical role in the hydrology of mountainous areas by sustaining base flow in downstream rivers during dry periods and retarding flood propagation after heavy precipitation events. Progressing climate change alters climatic and meteorological boundary conditions as well as the hydraulic response of alpine catchments by ablating glaciers and thawing permafrost. Rock glaciers exert a controlling influence on the catchment response due to their prominent groundwater storage and complex drainage characteristics. This thesis investigates the hydrogeology and internal structure of the active rock glacier Innere Ölgrube (Ötztal Alps), which governs catchment runoff and is affected by permafrost degradation. A 3D geometrical model of its internal structure is obtained by combining geophysical data and permafrost creep modelling. Available data and new results are integrated into a conceptual hydrogeological model providing a sound basis for the implementation of a prospective numerical groundwater flow model. Hydraulic properties of the hydrostratigraphic units constituting the rock glacier are estimated and groundwater recharge fluxes quantified. Fundamental properties of the heterogeneous groundwater flow system within the rock glacier are discussed and compared to existing rock glacier studies.


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Alpine aquifers play a critical role in the hydrology of mountainous areas by sustaining base flow in downstream rivers during dry periods and retarding flood propagation after heavy precipitation events. Progressing climate change alters climatic and meteorological boundary conditions as well as the hydraulic response of alpine catchments by ablating glaciers and thawing permafrost. Rock glaciers exert a controlling influence on the catchment response due to their prominent groundwater storage and complex drainage characteristics. This thesis investigates the hydrogeology and internal structure of the active rock glacier Innere Ölgrube (Ötztal Alps), which governs catchment runoff and is affected by permafrost degradation. A 3D geometrical model of its internal structure is obtained by combining geophysical data and permafrost creep modelling. Available data and new results are integrated into a conceptual hydrogeological model providing a sound basis for the implementation of a prospective numerical groundwater flow model. Hydraulic properties of the hydrostratigraphic units constituting the rock glacier are estimated and groundwater recharge fluxes quantified. Fundamental properties of the heterogeneous groundwater flow system within the rock glacier are discussed and compared to existing rock glacier studies.


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Se mere i:
Produktdetaljer
Sprog: Engelsk
Sider: 158
ISBN-13: 9783658370725
Indbinding: Paperback
Udgave:
ISBN-10: 3658370726
Kategori: Hydrologi og hydrosfæren
Udg. Dato: 8 mar 2022
Længde: 0mm
Bredde: 148mm
Højde: 210mm
Forlag: Springer Fachmedien Wiesbaden
Oplagsdato: 8 mar 2022
Forfatter(e): Simon Seelig
Forfatter(e) Simon Seelig

Kategori Hydrologi og hydrosfæren

ISBN-13 9783658370725

Sprog Engelsk

Indbinding Paperback

Sider 158

Udgave

Længde 0mm

Bredde 148mm

Højde 210mm

Udg. Dato 8 mar 2022

Oplagsdato 8 mar 2022

Forlag Springer Fachmedien Wiesbaden

Kategori sammenhænge