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Author Stone, A.E.C.; Thomas, D.S.G.
Title Casting new light on late Quaternary environmental and palaeohydrological change in the Namib Desert: A review of the application of optically stimulated luminescence in the region Type Journal Article
Year 2013 Publication Journal of Arid Environments Abbreviated Journal
Volume 93 Issue Pages 40-58
Keywords Namib Desert, Optically stimulated luminescence dating, Palaeoenvironment, Palaeohydrology, Quaternary, Southern Africa
Abstract The application of optically stimulated luminescence (OSL) dating in the Namib Desert is casting new light on late Quaternary environments. OSL has been applied to: (i) complex linear dunes, alongside ground penetrating radar stratigraphy in order to establish dune migration rates, (ii) fluvial lithofacies associations that distinguish between flood deposits and river end points, in order to constrain the timing of periods of higher discharge and conditions relatively drier than present and (iii) aeolian sand interbedded with carbonate deposits in order to provide chronologies for water-lain interdune sediments. We present and review the contribution of these data to enhancing reconstructions of the palaeoenvironments and palaeohydrology of the west coast of Namibia, particularly the increased confidence in interpretations provided by lithofacies analysis of the river deposits. This includes major silt deposits, which have had a contested palaeohydrological interpretation, such as the Kuiseb River Homeb Silts. We conclude that OSL should remain a key chronological technique to further elucidate the palaeoenvironmental history of southern Africa.
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ISSN 0140-1963 ISBN Medium
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Notes Approved no
Call Number THL @ christoph.kuells @ stone_casting_2013 Serial 98
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Author Tujchneider, O.; Christelis, G.; Gun, J.V. der
Title Towards scientific and methodological innovation in transboundary aquifer resource management Type Journal Article
Year 2013 Publication Environmental Development Abbreviated Journal
Volume 7 Issue Pages 6-16
Keywords Communication, Cooperation, Holistic methodological approach, Science, Transboundary aquifer management
Abstract Groundwater is both an invaluable and a vulnerable resource. Aquifer resources management, aiming at the responsible exploitation and adequate protection of the groundwater resources, is therefore of key importance and has to be based on sound hydrological, environmental, economic and social principles. Aquifer-wide groundwater projects are carried out to collect the required area-specific information, to understand ongoing processes, to identify the management issues to be addressed and to develop an adequate management strategy and action plan. The quality of the project results depends to a large extent on the science and methodologies adopted in the design and used during the implementation of the projects. In this context, a project was carried out recently to analyse the scientific aspects of—among others—the transboundary aquifer projects within the IW: Portfolio of the Global Environmental Facility (GEF) and to make recommendations for scientific strengthening and innovation. This paper presents the main outcomes of this analysis. In order to accomplish groundwater resources management goals in the case of transboundary aquifers, a balanced joint strategy is needed. Analysis of documentation on completed and on-going transboundary aquifer projects has shown a wide range of scientific activities that contribute positively to the development of such strategies. This analysis has also identified options for increasing the positive impacts of science on strategy development; some of these options have been pioneered already and deserve wider application other ones are relatively new. Important options are: integrating transboundary aquifer resource management in a wider environmental–socio-economical context (holistic approach); exploring causal chains to better understand the processes of change of groundwater resources; using this improved understanding for optimising groundwater assessment and monitoring programmes; and adaptive management. In addition, to obtain maximum benefit of the scientific results there is a general need to promote effective communication at all levels, between the scientific community and policy-/decision makers, as well as with the local community who have a major role to play in the use and conservation of the resources. All of this should be accompanied by the harmonisation of the legal instruments and co-operation agreements between countries and the communities involved. Two case studies, one in South America and one in Southern Africa, are added as examples of the setting and approach of the analysed transboundary aquifer projects.
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ISSN 2211-4645 ISBN Medium
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Notes Approved no
Call Number THL @ christoph.kuells @ tujchneider_towards_2013 Serial 105
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Author Love, A.J.; Shand, P.; Karlstrom, K.; Crossey, L.; Rousseau-Gueutin, P.; Priestley, S.; Wholing, D.; Fulton, S.; Keppel, M.
Title Geochemistry and Travertine Dating Provide New Insights into the Hydrogeology of the Great Artesian Basin, South Australia Type Journal Article
Year 2013 Publication Procedia Earth and Planetary Science Abbreviated Journal
Volume 7 Issue Pages 521-524
Keywords GAB springs, Great Artesian Basin, Helium isotope data, Uranium series dating
Abstract While of great national and societal significance, and importance in its own right, the Great Artesian Basin of Australia is an iconic example of a continental scale artesian groundwater system. New geochemical, hydrological, and neo-tectonic data suggests that existing models that involve recharge in eastern Australia, relatively simple flowpaths and discharge in springs in the western margin require modification. New geochemical data indicate a small volume flux of deeply derived (endogenic) fluids mixing into the aquifer system at a continental scale. Neo- tectonic data indicates active tectonism today that provides a fluid pathway through faults for the deeply sourced endogenic fluids to discharge in GAB travertine depositing springs.
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ISSN 1878-5220 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number THL @ christoph.kuells @ love_geochemistry_2013 Serial 122
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Author Salbu, B.
Title Preface: uranium mining legacy issue in Central Asia Type Journal Article
Year 2013 Publication Journal of Environmental Radioactivity Abbreviated Journal
Volume 123 Issue Pages 1-2
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ISSN 0265-931x ISBN Medium
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Notes Approved no
Call Number THL @ christoph.kuells @ salbu_preface_2013 Serial 125
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Author Baram, S.; Ronen, Z.; Kurtzman, D.; Külls, C.; Dahan, O.
Title Desiccation-crack-induced salinization in deep clay sediment Type Journal Article
Year 2013 Publication Hydrology and Earth System Sciences Abbreviated Journal
Volume 17 Issue 4 Pages 1533
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Publisher Copernicus GmbH Place of Publication Editor
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Call Number THL @ christoph.kuells @ Baram2013desiccation Serial 21
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Author Dávila, P.; Külls, C.; Weiler, M.
Title A toolkit for groundwater mean residence time interpretation with gaseous tracers Type Journal Article
Year 2013 Publication Computers & Geosciences Abbreviated Journal
Volume 61 Issue Pages 116-125
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Publisher Pergamon Place of Publication Editor
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Notes Approved no
Call Number THL @ christoph.kuells @ Davila2013toolkit Serial 22
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Author Klaus, J.; Zehe, E.; Elsner, M.; Külls, C.; McDonnell, J.J.
Title Macropore flow of old water revisited: experimental insights from a tile-drained hillslope Type Journal Article
Year 2013 Publication Hydrology and Earth System Sciences Abbreviated Journal
Volume 17 Issue 1 Pages 103
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Publisher Copernicus GmbH Place of Publication Editor
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Call Number THL @ christoph.kuells @ Klaus2013macropore Serial 23
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Author Külls, C.; Bittner, A.
Title Passive barriers for long-term containment of Uranium and Vanadium Type Miscellaneous
Year 2013 Publication IMWA Conf. Abbreviated Journal
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Call Number THL @ christoph.kuells @ Kuells12013passive Serial 69
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Author Külls, C.; Bittner, A.; Marx, V.
Title Strategic Assessment of Water Resources for the Erongo Uranium Province Type Miscellaneous
Year 2013 Publication IMWA Conf. Abbreviated Journal
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Call Number THL @ christoph.kuells @ Kuells2012strategic Serial 70
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