TUTDoR

Ochieng, George M. M.

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Date: 3 July 2016
Language: en
Type: Text
Identifier: tut:4808
Description: The occurrence of cyanobacteria genera in the Vaal Dam was analysed and the factors that influence its dominance in the particular reservoir were also investigated. The study was motivated by the effe ... More
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Date: 2015
Subject: Borehole | Isotope
Language: en
Type: Text
Identifier: tut:3034
Description: Seasonal tritium variations in streamflow, groundwater (GW), spring flow, boreholes, piezometers and drains were analysed tocompare the hydrology of water resources in the study area. Fifty water samp ... More
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Date: 2012/06/01
Language: en
Type: Text
Identifier: tut:5517
Description: This review considered groundwater resources, its characteristics, qualities, pollutions and available treatments. Groundwater refers to all the water occupying the voids, pores and fissures within ge ... More
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Date: 2011/01/02
Language: en
Type: Text
Identifier: tut:5757
Description: Arid and semi-arid regions are prone to severe water inadequacies. They are characterized by little rainfall resulting in several seasonal rivers. Seasonal riverbeds provide opportunity for water to b ... More
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Date: 2011/01/02
Language: en
Type: Text
Identifier: tut:5756
Description: There have been continuing efforts to decrease silt deposits due to interstitial blockage in sand-filled reservoirs. However, estimating weir height to allow for deposition of required grain sizes is ... More
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Date: 2010/11/01
Language: en
Type: Text
Identifier: tut:5758
Description: South Africa water resources are scarce in global terms with mean annual rainfall 50 per cent less than world average of 860 mm/a . On the other hand, increasing economy development and resulting cont ... More
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Date: 2010/ 08/09
Subject: Adsorption. | Charcoal.
Language: en
Type: Text
Identifier: tut:4088
Description: Roughing filtration is an important pre-treatment process for wastewater, because it efficiently separates fine solid particles over prolonged periods, without the addition of chemicals. For this stud ... More
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Date: 2010/08/04
Language: en
Type: Text
Identifier: tut:4502
Description: Uneven surfaces of sand particles provide ideal opportunities, under arid conditions, for runoff to be stored in the voids of sandy riverbed of ephemeral river. Series of laboratory experiments were p ... More
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Date: 2010/04/22
Language: en
Type: Text
Identifier: tut:4503
Description: While definite benefits could be gained from integrating the management of natural and human systems, taking into account the effects of human activities on the environment, the task of operationalisi ... More
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Date: 2010-04-13
Type: Text
Identifier: tut:2091
Description: Water from sand reservoir water storage for domestic and agricultural purpose needs good understanding of complex event of rainfall and its inherent characteristics. Thus simple direct method approach ... More
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Date: 2010
Language: en
Type: Text
Identifier: tut:3895
Description: One of the major negative environmental impacts of large scale irrigation schemes is the problem of sediment transport. This greatly influences the sustainability of an irrigation system. The resultan ... More
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Date: 2009-09-01
Type: Text
Identifier: tut:2096
Description: Roughing filtration can be considered as a major pre-treatment process for wastewater since they efficiently separate fine solids particles over prolonged periods without addition of chemicals. This r ... More
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Date: 2009/06/01
Language: en
Type: Text
Identifier: tut:4859
Description: The protection of South Africa’s limited water resources is mandatory for ensuring the future sustainability of its people and economy. With a growing population and a thriving economy, abuse of the e ... More
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Date: 2009/01/02
Language: en
Type: Text
Identifier: tut:5753
Description: Abstraction of water from the dry river sand-beds is well-known as an alternative source of water during dry seasons. Internally, because of the form of sand particles, voids are created which can sto ... More
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Date: 2007-07-27
Type: Text
Identifier: tut:2094
Description: Due to the inherent nonlinearity in the process of transformation of rainfall into river flow, a simple direct input-output transfer function (TF) model may not sufficiently capture the catchment’s hy ... More
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