To date, however, both agen­ cies have been disappointed in the number and quality of the submitted proposals [Itsweire and Lindstrom, \999]. VAAL TRIANGLE FACULTY NORTH WEST UNIVERSITY SUPERVISOR: PROF EP ABABlO' I 6 u c.1. This paper continues this tradition and includes the following: • The consideration of the application of systems analysis in pollution control. Meta-analysis of effect estimates has many advantages, but other synthesis methods may need to be considered in the circumstance where there is incompletely reported data in the primary studies. 39001 GOVERNMENT GAZETTE, 17 JULY 2015. Therefore, the nonparametric Mann-Kendall test for testing the presence of a significant monotonic increasing or decreasing trends and Sen’s nonparametric method for estimating the slope of a linear trend were used to discover long-term trends of discrete variables [11] . Share this article: Share Tweet Share Share Share Email Share. This book is a comprehensive introduction to the methods and algorithms and approaches of modern data analytics. Vaal River flow monthly data was obtained via South Africa’s . The questionnaire used in this retrospective study was carefully analysed to ensure that the data gathered was presented clearly with the aid of tables, percentages and graphs, where possible. The Vaal River can justifiably be called 3.2 SAMPLE Sampling is “the process of selecting a portion of the population to represent the entire population” (Polit et al 2001:233). questionnaires interviews field trips photographs and maps Literature research (newspapers, magazines, books etc.) This paper reports on part of the overall research. for WOCE synthesis. (1999) Login Search JavaScript is disabled for your browser. i Dedication To God the Almighty . T.J. Coleman, R.S. (2007). You will note that the quality of water in the Stonehaven region is always one of the best qualities within the Vaal River Barrage. Physico-chemical analysis was conducted on-site. Bushkoppies processes between 200 and 250 million litres of effluent per day which, once treated, eventually lands up in the Vaal River. ii Declaration I, Scott Ncube, do solemnly declare that this dissertation represents my … This translates into a drought return period of once in 84 years, possibly rarer. Besides these direct uses there is a tremendous demand for recreational use of the catchment's water resources. The Mean Annual Precipitation (MAP) decreases from 800 mm in the Upper Vaal to 500 mm in the Middle Vaal and 100 mm in the Lower Vaal WMA. Due to a biological community's ability to reflect water quality changes over time, biomonitoring was undertaken to support chemical water quality monitoring. The Vaal River in the south flows to the Atlantic Ocean. The Vaal River Barrage acts as a reservoir of sewage and waste water, coming from the Suikerbosrant or Klip River, which both are contaminated due to mining, heavy industry and waste water treatment works (Tempelhoff, 2009; Wepener et al., 2011). The general differences of data analysis … The Vaal River is the largest tributary of the Orange River in South Africa. Vaal River, northern tributary of the Orange River, South Africa. Analysis of Water Pollution and Ecosystem Health in the Chao Lake Basin, China Jin Honga b, ... River, Pai River and Feng Le River (see Table 1), are located in the western and northern parts of the Chao Lake’s mountain areas with the southern part of the region having smaller flowing capacity. total of 155 000 ha of land is irrigated from the Vaal River and agricultural production is now 42% of the country's total. total of 155 000 ha of land is irrigated from the Vaal River and agricultural production is now 42% of the country's total. An ongoing strike outside the Bushkoppies Waste Water Treatment plant near Soweto has placed the Vaal river water supply in danger of being contaminated by millions of litres of sewage. The The River has its source from the Drakensberg Mountains i n Mpumalanga province, east During data analysis (Bala, 2005): data collected is transformed into information and knowledge about a research performed; relationships between variables are explored; meanings are identified and information is interpreted. The meeting was of common view of the critical need to bring together (available) data on fishing operations to enable assessment of stock status and stock productivity - essential for the conservation of the stocks. It then flows westwards to its conjunction with the Orange River southwest of Kimberley in the Northern Cape. learn more FlexPro Features & Options Intuitive operation, the latest analysis procedures at the highest level of performance. Here is a view of the pollution and health of the river in May 2016 with trends over the years. It was agreed that there would be a need for species-specific management protocols. Step 2: Mapping Provide a map showing the river being studied and the adjacent settlements. Integrated Units of Analysis in the Lower Vaal This gazette is also available free online at www.gpwonline.co.za 58 No. Rand Water's chemical water quality data from 1991 to 2000 were used to assess the water quality of the Waterval River, which contributes about 111 x 10 6 m 3 of water to the Vaal River annually. DATA AND METHODS. This article or section possibly contains synthesis of material which does not verifiably mention or relate to the main topic. Jukskei River Pollution and Health Profile May 2016 * Many are concerned about Jukskei River pollution. Sampling and data analysis … Move through the slide deck below to learn about data synthesis. This is the Meriden landfill. The Support to Phase 3 of the ORASECOM Basin-wide Integrated Water Resources Management Plan Study was commissioned by the Secretariat of the Orange-Senqu River Basin Commission (ORASECOM) with technical and financial support from the … Graphic information must be analysed during this stage. The Jukskei River has two major sources of pollution: sewage from Johannesburg CBD and from Alexandra. "Data analysis is the process of bringing order, structure and meaning to the mass of collected data. Some features of this site may not work without it. The opinions expressed are those of the author and do not necessarily represent the policy of the municipality. Mason et al. STEP SIX Jukskei River were mainly above 0.5 mg/l and nitrate concentrations were above 3 mg/l (Table 1.1). 7), the statistical analysis showed no significant differences in prevalence (P = 0.2897), abundance (P = 0.3563), and mean intensity (P = 0.6510) between the two localities. Gebremedhin. Abstract Rand Water's chemical water quality data from 1991 to 2000 were used to assess the water quality of the Waterval River, which contributes about 111 x 10 6 m 3 of water to the Vaal River annually. Sludge piles from Upjohn, in North Haven, formerly a major polluter, are protected by plastic covers, and pumping controls leacheate discharge. Under the “Guideline” you will see it tells you how to interpret / judge the figures provided, if you ingest (swallow/drink) the water in the river. By Samuel Kahsai. The site is located in an area with fossil evidence for early human evolution, however, there is a lack of terrestrial proxy records to reconstruct climate and environment during this time period. Remarkably high levels of perfluorooctane sulfonic acid (PFOS) were found in bird eggs only. Data analysis has multiple facets and approaches, encompassing diverse techniques under a variety of names, and is used in different business, science, and social science domains. Goula Bi et al. Vaal River System or are linked to the Vaal River System are indicated on the map – see page 6. The Vaal River can justifiably be called "Africa's hardest-working river" and "the main artery of the South African My findings are that this kind of drought occurs once in 311 years … Getting to the Vaal River Barrage can be complicated if travelling via the suburbs of Vereeniging and Vanderbijlpark, as main roads and highways crisscross the river with none tracing the water and few arteries running parallel to the river for any length of time.This is with the exception of ‘Stokkiesdraai Road’ which runs parallel to the second half of the barrage from the 23km mark near Stonehaven all … Due to a biological community's ability to reflect water quality changes over time, biomonitoring was undertaken to support chemical water quality monitoring. Material? Role? Ore Sperrylite; Orebody. SOURCE POLLUTION ON THE WATER QUALITY OF THE VAAL RIVER WITHIN THE GROOTDRAAI DAM CATCHMENT By SCOTT NCUBE Student no: 46729836 Supervisor: Dr Luxon Nhamo Core-supervisor: Malebo Matlala Contact details: Cell: 0796193239 Email: scottncube@yahoo.com . the Orange-Senqu River Basin” (Swiegelaar et al., 2014). The different types of analyses were buffer analysis, Thiessen polygons, MCE, distance matrix and thematic mapping. Analysis and Synthesis of Data. et al. §ºjḿCõ×5hG?ÖØԞ8ÙÒÚvJïlï>söÜù®‹.u÷\¹ÜŽô÷ F¯ ³Øµë#c£ãñ7ïܾ5uÿî½É‡¦ :Y¥ $ÏT (‡¢rïªà„M¼5Qè ´"Š½RµÙ®Â&iÅpèb. (2010) identified and applied Gumbel and log normal PDFs for frequency analysis of AMDR events at 43 rainfall stations in Cot de Ivoire. The MinErVa project is focused around the archaeological site of Pniel, an Early Middle Stone Age open-air site on the Vaal River that I have been excavating for two seasons since 2017. Samples of bottom deposits were taken from a total of twenty-six stations in five areas along the Vaal River and analysed for dehydrogenase activity, organic carbon, Kjeldahl nitrogen, inorganic carbon, humic acids, degree of humification, cationic adsorption capacity and exchangeable bases. ... Investigates the contribution and implications of narrative synthesis and meta-analysis in a systematic review. High nutrient concentrations in the Jukskei River have been blamed for the The project analysed 15 different perfluorinated compounds in water, sediment and wild bird eggs from six sites in the Orange-Senqu River System, South Africa. Line? It is a messy, ambiguous, time-consuming, creative, and fascinating process. Four depth classes were sampled for 55 minutes in this stretch of river that was flowing moderately strong at the time of sampling. BOD determinations on the flowing water were also done at these stations. Analytical Data. Materials. 1. Results are presented for the analysis of monthly river discharge and regression onto climate fields, composite investigation of a group of 14 high-flow months, and influences at regional scale using reanalysis and satellite data. Here we review reasons for a thorough analysis of WOCE data, examine possible rea­ sons for the shortage of good analysis propos­ als, suggest methods to encourage further Alternative synthesis methods differ in the completeness of the data they require, the hypotheses they address, and the conclusions and recommendations that can be drawn from their … A baseline period of 30 years (1976–2005) was selected to establish baseline time series of the Vaal climate data, and three future periods, 2011–2040, 2041–2070 and 2071–2100, for the purpose of climate change scenario analysis and input into the hydrological model. Its narrow valley and scanty alluvial deposits restrict irrigation. ŒFç„Aˆý¼ZjcZˆBc‡³Ló™;¦é±™UËôŽi¿1PHêˆD¡’_ÿa¶š*¥*¹¡97aKox¥ÅifExkŠ©•¯ÇCmöáëOS›]ãlHÙf«F½gTûEï’=dõ¬. Summary * The Jukskei River has two major sources of pollution: sewage from Johannesburg CBD and from Alexandra. 4.6 DATA SYNTHESIS 4.6.1 Consideration of potential sources of heterogeneity . Vaal River suffocates under filthy wave of raw effluent. No data were available on river flow of either the Koekemoerspruit or Vaal River. The source of PFOS and the reason why the high levels However, a study by ORASECOM, 2008, Crafford and Oldewage, 2009 indicated that water quality of the Vaal River system, which feeds Vanderkloof dam, was of low quality due to industrial, urban, mining and irrigation activities in the catchment. Data analysis is a process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, and supporting decision-making. Like other research methods, data analysis procedures in quantitative research approach are different from those in qualitative research approach. Data analysis and findings 4.1 INTRODUCTION This chapter discusses the data analysis and findings of the study. It does not proceed in a linear fashion; it is not neat. In this regard most concern was expressed about operations of vessels that had been chartered from countries that did not insist on provision of data … BASINS makes it possible to quickly assess large amounts of data in a format that is easy to use and understand. Rising at Sterkfontein Beacon near Breyten, in Mpumalanga province, it flows 750 miles (1,210 km) southwest to its confluence with the Orange near Douglas; the Vaal’s middle section forms most of the Free State’s northern provincial boundary. Results are presented for the analysis of monthly river discharge and regression onto climate fields, composite investigation of a group of 14 high-flow months, and influences at regional scale using reanalysis and satellite data. for the Vaal River System which is running concurrently with the Reconciliation Study. The city receives its water from the Vaal catchment, but the waste water flows northwards into the Jukskei catchment. In 1996, the average turbidity in the Jukskei River upstream of Alexandra Township was fivefold higher than that measured downstream of the township (Campbell 1996). Vaal River. Rand Water's chemical water quality data from 1991 to 2000 were used to assess the water quality of the Waterval River, which contributes about 111 x 10 6 m 3 of water to the Vaal River annually. Samples were collected from 4 sampling stations along the Upper Vaal River during winter (June 2009) and summer (December 2010). It provides a sound mathematical basis, discusses advantages and drawbacks of different approaches, and enables the reader to design and implement data analytics solutions for real-world applications. Thesis (M.Sc.Agric. Upstream, water from the Tugela headwaters is diverted across the Drakensberg into the more highly developed Vaal basin. Data analysis on its own varies its name based on the domain 1 of the study ranging from business, science and social science. In the Upper and Middle Vaal Water Management Areas (WMAs) of the Vaal River, bounded by Vaal dam outlet and Bloemhof dam inlet, the overall objective of on-going research is to model surface raw water quality variability in order to predict cost of treatment to potable water standard. Qualitative data analysis is a search for general statements about relationships among categories of data." Five different methods of GIS spatial analysis were applied on Monwabisi Park spatial data, in order to assist with decision making for urban upgrading. DATA AND METHODS. The impact of a polluted Vaal River was widespread, said Mariette Liefferink, of the Federation for a Sustainable Environment. The river has its source near Breyten in Mpumalanga province, east of Johannesburg and about 30 kilometres north of Ermelo and only about 240 kilometres from the Indian Ocean. Central and Eastern Europe, Hungary, Lake Balaton, Danube, the Gabcikovo-Nagymaros river barrage system, eutrophication, oxygen household. FlexPro, the measured data analysis software from Weisang, makes it extremely easy to present, analyze and manage your measured data. Possible … teristics on bacterial structures was investigated through multivariate analysis. Try FlexPro on your measured data analysis projects. ORASECOM 012/2014 Water Demand Projections and Synthesis of Planned Infrastructure Investments . ACKNOWLEDGEMENTS This mini-dissertation is based on the research project of the Sedibeng District Municipality. 1981 Laingsburg Kovacs, 1981 1975 Vaal River Alexander, 2002 1974 Lower Orange DWA, 1974 1988 Orange River Du Plessiset al., 1989 Flooding of the Vaal-Orange River System(VORS) is a major concern in South Africa as the system covers nearly half (49%) … internet research Step 5: Analysis and synthesis of data Analyse the data … The river is navigable only in the lagoon formed behind the sandbar. This chapter discusses the research findings with reference to the literature reviewed. Characteristics of the ore body. Permission to use their material is gratefully acknowledged. According to Bruton (1979) , C. gariepinus awaits suitable environmental conditions for spawning, which usually takes place in … Development, poor stormwater infrastructure and maintenance backlog cause increased run-off and flooding. Minerals or other materials present in the mine. LOCATED SOUTH OF THE VAAL RIVER. Create a clear buffer zone at the part of the river … Additional physico-chemical data were obtained from statutory bodies. Analysis Data? A river stretch of approximately a 100 m long, representing a variety of different depth classes, was sampled for fish along the right bank of the river. Although groundwater monitoring data is regularly collected at landfills, the problem of land-fill leacheate has not been investigated in the Quinnipiac watershed. The Vaal River system, on which approximately 19 million people depend for drinking water and commercial use, is polluted beyond acceptable standards. )-University of KwaZulu-Natal, Pietermaritzburg, 2009.This study is a component of a research project on the economic costs of eutrophication in the Vaal River system. But how rare exactly? So the long-term SAWS data from the WCWSS dams region shows that 2017 and the period 2015 to 2017 were the driest since 1933. IIASA has a long history of the application of systems analysis in water resources research and management. • The situation in Central and Eastern Europe, i.e., in transitional econ­ omies. Analysis and synthesis of data (Data Representation) Collected data should now be used to formulate a discussion around the existing geographical problem. et al. Alternatively, download the PDF document at the bottom of this box.
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