By D. Stephenson, E.M. Shemang, T.R. Chaoka
With Africa's water assets continuously threatened via an expanding inhabitants and the consequent upward push in water call for, including the stresses of water use for varied actions, desertification, weather switch, and different interventions within the water cycle by way of guy, it can be crucial that the water assets in arid and semi-arid areas are constructed and controlled in a sustainable and built-in demeanour. In Water assets of Arid Areas, those key elements are explored and tested through top specialists, concentrating specifically upon the query of groundwater recharge and dividing dialogue into the subsequent sections: usual and synthetic groundwater recharge; socio-economic points of water call for administration; geophysical, GIS and distant sensing thoughts for groundwater exploration; weather switch and its impression on water assets; vulnerability and chance review; and water administration. Comprising the court cases of the overseas convention on Water assets of Arid and Semi-Arid areas of Africa held in Gaborone, Botswana, August 3-6, 2004, it is a important textual content for researchers and practitioners within the fields of floor water hydrology, groundwater hydrology, environmental engineering, agricultural engineering and earth sciences, in addition to for these fascinated by water assets making plans, improvement and administration in arid and semi-arid components.
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Extra resources for Water Resources of Arid Areas: Proceedings of the International Conference on Water Resources of Arid and Semi-Arid Regions of Africa, Gaborone, Botswana, 3-6 August 2004
J. Hydrology, 94:307–324. Flow simulation model performance assessment using entropy approach 35 Yevjevich, V. (1972). Probability in hydrology. : 331. Data collection experiences in water level monitoring, borehole archive and research projects in semi arid Botswana Magowe Magowe, Thothi Obakeng & Paul Makobo Department of Geological Survey, Hydrogeology Division, Lobatse, Botswana Water Resources of Arid Areas—Stephenson, Shemang & Chaoka (eds), © 2004 Taylor & Francis Group, London, ISBN 04 1535 913 9 ABSTRACT: The Department of Geological Survey (DGS) of Botswana has been carrying out water level monitoring of non-operational wellfields since 1983 and various research projects throughout the country.
The logistical problems include poor accessibility due to the country’s hostile environment such as dust and extensive ponding during heavy showers. This hostile environment leads to reduction of the lifespan and the poor performance of these instruments. Poor handling of data, equipment failure, lack of the right set of equipment and local operational knowledge also poses problems. Therefore, as a consequence, valuable data is normally lost. In 2003, a quality assurance process was resumed for the 1999–2003 water level monitoring and rainfall records.
1986. Topographic Mapping from Interferometric Synthetic Aperture Radar Observations. Journal of Geophysical Research-Solid Earth and Planets, 91(B5):4993–4999. , (1995) and (ii) to estimate the Kvalue (or T-value) of the aquifer in the vicinity of the borehole. The paper shows that the use of currently available slug test interpretation methods to analyse slug tests in fractured rock aquifers to estimate a T or K-value is problematic. The estimated value is dependent on the flow thickness (thickness of the part of the aquifer in which flow occurs due to the slug input).
Water Resources of Arid Areas: Proceedings of the International Conference on Water Resources of Arid and Semi-Arid Regions of Africa, Gaborone, Botswana, 3-6 August 2004 by D. Stephenson, E.M. Shemang, T.R. Chaoka