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

By (author) Simon Seelig

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Price: R 2 287.95

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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 Ã–lgrube (Ã–tztal 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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The Colonialist: The Vision of Cecil Rhodes

William Kelleher Storey
Paperback / softback
528 pages
was: R 425.95
now: R 382.95
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This first comprehensive biography of Cecil Rhodes in a generation illuminates Rhodesâ€™s vision for the expansion of imperialism in southern Africa, connecting politics and industry to internal development, and examines how this fueled a lasting, white-dominated colonial society.

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The Memory Collectors: A Novel

Dete Meserve
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320 pages

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The Coming Wave: AI, Power and Our Future

Mustafa Suleyman
Paperback / softback
352 pages
was: R 295.95
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Survive the AI Apocalypse: A guide for solutionists

Bronwen Williams
Paperback / softback
232 pages
was: R 340.95
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Forthcoming

Let's stare the future down and, instead of fearing AI, become solutionists.

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