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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Catchment management-model evaluation : verifying data for the implementation of the water release module of the WAS program

Jansen van Vuuren, A., Pretorius, E., Benade, N. January 2005 (has links)
Published Article / The Water Administration System (WAS) is designed to be a management tool for irrigation schemes and water offices that want to manage their water accounts and supply to clients through canal networks, pipelines and rivers. The ultimate aim of WAS is to optimize irrigation water management and minimize management-related distribution losses in irrigation canals. This research project focus on the implementation of the water release module of the WAS program at the Vaalharts irrigation scheme. WAS consists of four modules that are integrated into a single program that can be used on a single PC, a PC network system (in use currently at Vaalharts) or a multi-user environment. These modules can be implemented partially or as a whole, depending on the requirements of the specific scheme or office. The four modules are an administration module, a water request module; water accounts module and a water release module. The first three modules are already implemented at Vaalharts, while module four is implemented only partially. This module links with the water request module and calculates water releases for the main canal and all its branches allowing for lag times and any water losses and accruals. Any researcher in this field should first understand where water comes from and how it will be utilized before any calculations are attempted. Only then manipulation of the release volume can commence. To precisely calculate this water release, accurate data is needed to ensure that the correct volume of water is released into the canal network. This can be done by verifying existing data with field data. To optimize the management of the irrigation scheme the fully implemented WAS program need to be installed and running at the scheme. A series of data and calculation verification needs to be executed. The exercise will show the adequacy and correctness of the available database WAS uses to do the release calculation from. This will ensure improved management of the irrigation scheme, catchment and water resource sustainability. It is planned that the information generated from this project will be used in the compilation of an integrated catchment management information system, currently underway in the school of Civil Engineering and Built Environment at the Central University of Technology, Free State, South Africa.
2

Water en sanitasie in die landelike Hoëveldse woning 1840 -1910: n kultuurhistoriese studie / deur Claudia Gouws

Gouws, Claudia January 2007 (has links)
The location of the site where the pioneers settled permanently was determined by the availability of water in the immediate environment. The Highveld contains fertile soils, a fine climate, and an abundance of water. The area has always been extensively used for crop and stock farming, but in general, mixed farming was practiced. The farmers depended on the availability of water, therefore their experiences, observations, weather forecasts, and conclusions, developed into a popular folk meteorology. Furthermore, environmental factors such as local topography, micro climate, hydrography, ground fertility, and the appearance of natural vegetation determined whether or not an area was suitable for permanent residence. The farmstead may be divided into three functional zones (the core-, extended-, and outer farmyard) that are joined by a canal network, used for irrigation and drinking water. The farmhouse and buildings, erected a stones throw away from the water source, served as a focal point for the activities of the farmer. The manipulation of the water source by obstruction of streams and the construction of water canals, weirs and water furrows, assisted the farmer in planning his activities and in using the water to his advantage. The settlement and development of the residence on the rural parts of the Highveld may be divided into three distinct phases. Firstly, the temporary trekboer phase, secondly the pioneer phase and thirdly the permanent settlement phase. The permanence of residence had a direct influence in the layout of the house, the method of construction, and the use of the available water supply. At first, the trekkers were content to reside in roof dwellings (their wagons and tents and a grass screen as their kitchen and a hut near a spring). The first houses were hartbieshuise and kapsteilhuise. The more permanent homesteads of the earlier settlers were a simple rectangular structure (pioneer house) with a saddle grass roof. With the introduction of galvanised iron sheeting, the house was expanded and developed into the veranda-, stoeproom- and a flat roofed rectangular house. This development resulted into a typical rural Highveld homestead. After the discovery of gold in the vicinity of the Witwatersrand, the first gold rush took place resulting in the proclamation of Johannesburg in 1886. Prospectors, mostly foreigners, descended upon the Witwatersrand. Housing took on a more planned structure resembling the late Victorian period of housing in England. The water supply and drainage systems were planned and improved, making it possible to provide running water to kitchens and bathrooms. This impacted firstly on the upper riches of society in the cities, later on the lower middle classes and lastly on the rural areas. European technology regarding the supply of hot pipe water and drainage systems changed the layout of the house. The cooking activity moved from outside behind a screen to a seperate room inside the house. Inevitable changes regarding collecting, storage, purpose, saving and drainage of household water took place. Between 1840 and 1910, evolutionary changes took place regarding sanitation, water supply and personal hygiene. Being part of a particular social class made certain facilities available to certain individuals. A rural Highveld dwelling rarely included sanitary facilities, instead dwellers had a more primitive wash basin in each room in which they washed daily. On a Saturday, a weekly bath was taken in a bathtub in the kitchen or bedroom. Trekkers simply relieved themselves outside. A revolution in sanitary habits and facilities became inevitable. The Victorian dwelling on the Highveld was built according to a standard plan, including a flush water system already in place. This was the ultimate manifestation of sophistication and civilization. The aim of this investigation is to identify the similarities and differences between the use of water by the pioneer, the poor people and the wealthy in their rural dwellings. Furthermore, information has been obtained regarding water usage and sanitation in the bathroom and kitchen in the rural dwelling to be useful in the area of historic architecture and the heritage of our water history. / Thesis (M.A. (History))--North-West University, Vaal Triangle Campus, 2008.
3

Water en sanitasie in die landelike Hoëveldse woning 1840 -1910: n kultuurhistoriese studie / deur Claudia Gouws

Gouws, Claudia January 2007 (has links)
The location of the site where the pioneers settled permanently was determined by the availability of water in the immediate environment. The Highveld contains fertile soils, a fine climate, and an abundance of water. The area has always been extensively used for crop and stock farming, but in general, mixed farming was practiced. The farmers depended on the availability of water, therefore their experiences, observations, weather forecasts, and conclusions, developed into a popular folk meteorology. Furthermore, environmental factors such as local topography, micro climate, hydrography, ground fertility, and the appearance of natural vegetation determined whether or not an area was suitable for permanent residence. The farmstead may be divided into three functional zones (the core-, extended-, and outer farmyard) that are joined by a canal network, used for irrigation and drinking water. The farmhouse and buildings, erected a stones throw away from the water source, served as a focal point for the activities of the farmer. The manipulation of the water source by obstruction of streams and the construction of water canals, weirs and water furrows, assisted the farmer in planning his activities and in using the water to his advantage. The settlement and development of the residence on the rural parts of the Highveld may be divided into three distinct phases. Firstly, the temporary trekboer phase, secondly the pioneer phase and thirdly the permanent settlement phase. The permanence of residence had a direct influence in the layout of the house, the method of construction, and the use of the available water supply. At first, the trekkers were content to reside in roof dwellings (their wagons and tents and a grass screen as their kitchen and a hut near a spring). The first houses were hartbieshuise and kapsteilhuise. The more permanent homesteads of the earlier settlers were a simple rectangular structure (pioneer house) with a saddle grass roof. With the introduction of galvanised iron sheeting, the house was expanded and developed into the veranda-, stoeproom- and a flat roofed rectangular house. This development resulted into a typical rural Highveld homestead. After the discovery of gold in the vicinity of the Witwatersrand, the first gold rush took place resulting in the proclamation of Johannesburg in 1886. Prospectors, mostly foreigners, descended upon the Witwatersrand. Housing took on a more planned structure resembling the late Victorian period of housing in England. The water supply and drainage systems were planned and improved, making it possible to provide running water to kitchens and bathrooms. This impacted firstly on the upper riches of society in the cities, later on the lower middle classes and lastly on the rural areas. European technology regarding the supply of hot pipe water and drainage systems changed the layout of the house. The cooking activity moved from outside behind a screen to a seperate room inside the house. Inevitable changes regarding collecting, storage, purpose, saving and drainage of household water took place. Between 1840 and 1910, evolutionary changes took place regarding sanitation, water supply and personal hygiene. Being part of a particular social class made certain facilities available to certain individuals. A rural Highveld dwelling rarely included sanitary facilities, instead dwellers had a more primitive wash basin in each room in which they washed daily. On a Saturday, a weekly bath was taken in a bathtub in the kitchen or bedroom. Trekkers simply relieved themselves outside. A revolution in sanitary habits and facilities became inevitable. The Victorian dwelling on the Highveld was built according to a standard plan, including a flush water system already in place. This was the ultimate manifestation of sophistication and civilization. The aim of this investigation is to identify the similarities and differences between the use of water by the pioneer, the poor people and the wealthy in their rural dwellings. Furthermore, information has been obtained regarding water usage and sanitation in the bathroom and kitchen in the rural dwelling to be useful in the area of historic architecture and the heritage of our water history. / Thesis (M.A. (History))--North-West University, Vaal Triangle Campus, 2008.
4

Water en sanitasie in die landelike Hoëveldse woning 1840 -1910: n kultuurhistoriese studie / deur Claudia Gouws

Gouws, Claudia January 2007 (has links)
The location of the site where the pioneers settled permanently was determined by the availability of water in the immediate environment. The Highveld contains fertile soils, a fine climate, and an abundance of water. The area has always been extensively used for crop and stock farming, but in general, mixed farming was practiced. The farmers depended on the availability of water, therefore their experiences, observations, weather forecasts, and conclusions, developed into a popular folk meteorology. Furthermore, environmental factors such as local topography, micro climate, hydrography, ground fertility, and the appearance of natural vegetation determined whether or not an area was suitable for permanent residence. The farmstead may be divided into three functional zones (the core-, extended-, and outer farmyard) that are joined by a canal network, used for irrigation and drinking water. The farmhouse and buildings, erected a stones throw away from the water source, served as a focal point for the activities of the farmer. The manipulation of the water source by obstruction of streams and the construction of water canals, weirs and water furrows, assisted the farmer in planning his activities and in using the water to his advantage. The settlement and development of the residence on the rural parts of the Highveld may be divided into three distinct phases. Firstly, the temporary trekboer phase, secondly the pioneer phase and thirdly the permanent settlement phase. The permanence of residence had a direct influence in the layout of the house, the method of construction, and the use of the available water supply. At first, the trekkers were content to reside in roof dwellings (their wagons and tents and a grass screen as their kitchen and a hut near a spring). The first houses were hartbieshuise and kapsteilhuise. The more permanent homesteads of the earlier settlers were a simple rectangular structure (pioneer house) with a saddle grass roof. With the introduction of galvanised iron sheeting, the house was expanded and developed into the veranda-, stoeproom- and a flat roofed rectangular house. This development resulted into a typical rural Highveld homestead. After the discovery of gold in the vicinity of the Witwatersrand, the first gold rush took place resulting in the proclamation of Johannesburg in 1886. Prospectors, mostly foreigners, descended upon the Witwatersrand. Housing took on a more planned structure resembling the late Victorian period of housing in England. The water supply and drainage systems were planned and improved, making it possible to provide running water to kitchens and bathrooms. This impacted firstly on the upper riches of society in the cities, later on the lower middle classes and lastly on the rural areas. European technology regarding the supply of hot pipe water and drainage systems changed the layout of the house. The cooking activity moved from outside behind a screen to a seperate room inside the house. Inevitable changes regarding collecting, storage, purpose, saving and drainage of household water took place. Between 1840 and 1910, evolutionary changes took place regarding sanitation, water supply and personal hygiene. Being part of a particular social class made certain facilities available to certain individuals. A rural Highveld dwelling rarely included sanitary facilities, instead dwellers had a more primitive wash basin in each room in which they washed daily. On a Saturday, a weekly bath was taken in a bathtub in the kitchen or bedroom. Trekkers simply relieved themselves outside. A revolution in sanitary habits and facilities became inevitable. The Victorian dwelling on the Highveld was built according to a standard plan, including a flush water system already in place. This was the ultimate manifestation of sophistication and civilization. The aim of this investigation is to identify the similarities and differences between the use of water by the pioneer, the poor people and the wealthy in their rural dwellings. Furthermore, information has been obtained regarding water usage and sanitation in the bathroom and kitchen in the rural dwelling to be useful in the area of historic architecture and the heritage of our water history. / Thesis (M.A. (History))--North-West University, Vaal Triangle Campus, 2008.

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