Development of the batoka gorge hydro electric scheme. The kafue and zambezi river basins 2016 brief zm importance of the kafue river to zambia kafue flats, zambia. Water situational analysis of the lower kafue basin image wwf. Zambia electricity shortage highlights africas hydropower.
Zambia and kafue river basin x 2 variables temperature and precipitation x 4 time. The total drainage area between the dam and kafue gorge is about 45,400km2. Modelling and forecasting of hydrological variables using artificial neural networks 365 flow time series measured at the kafue hook bridge khb in the kafue subdrainage basin in zambia. The kafue river is the largest tributary to the zambezi river, contributing 9 per cent of the flow1,2. The kafue river basin in the chingola district, zambia has experienced heavy polluting over the past several decades. The water situational analysis of the lower kafue basin highlights the pivotal role the river plays, providing up to 50 per cent of zambias electricity, livelihoods for half of the countrys population and contributing a massive 48 billion kwacha towards the national gdp. Realtime hydrologic modelling and floodplain modelling in the kafue river basin, zambia. Inadequate infrastructure, environmental and local water stresses. The river then flows south and finally east through the kafue flats and kafue gorge to join the. In particular, zambias electricity supply corporation zesco plans a major investment on the kafue gorge lower dam 750 mw planned capacity.
Ukrb is located on the upper reaches of kafue river and extends to the area before itezhitezhi dam figure1. The existing manual on water supply does not cover all aspects of water. The derived flow series and the time series of historic flow measured at the kafue hook bridge khb are separately modelled using artificial. The zambezi also spelled zambeze and zambesi is the fourthlongest river in africa, the longest eastflowing river in africa and the largest flowing into the indian ocean from africa. Proposed action plan for improved water resources management in the kafue flats 11 1. It has been linked with real time data, obtained from the. Pdf rural household water use in the kafue river basin in zambia. It is a major tributary of the zambezi, and of zambias principal rivers, it is the most central and the most urban, and the longest and largest lying wholly within zambia. The upper kafue subbasin is home to the copperbelt mining region. Worsening water risks on kafue river could undermine. The zambian government has conducted several feasibility studies in the past that have resulted in the development of the itezhi tezhi dam and the kafue gorge power station in the 1970s.
Pdf rural household water use in the kafue river basin in. More than 50% of zambias population live in the kafue river basin and of these around 65% are urban. Kafue river represents approximately 20 per cent of zambias total land area, and is the only basin that falls only within zambia. Its water is used for irrigation and for hydroelectric power. Deforestation impact on ecosystem services in kamfinsa subcatchment of kafue river basin in zambia deuteronomy kasaro. The victoria falls are considered the boundary between the upper and middle zambezi. Jul 22, 2015 in 2011, the international finance corporation ifc, part of the world bank group, released a study about climate change effects on hydropower generation in zambias kafue river basin. Worsening water risks on kafue river could undermine zambias. The kafue and zambezi river basins 2016 brief zm kafue flats, zambia. Kafue river basin hydrology model was developed, based on a pitman rainfall model.
However, hydroelectricity power production, largescale sugar plantations, commercial fishing and increasing livestock production are threatening its natural existence and sustainability. Its geography varies considerably from flood plains in the north to desert regions in the south. The project was aimed at demonstrating the food security, health, poverty reduction and ecological benefits of applying iwrm principles and practices. Further, increasing human settlements within and around the. The kafue river basin is one of zambias important basins for hydropower generation.
Great potential still exists for further development of hydropower in kafue. Water economics and governance in the kafue river basin, zambia. Strategy for flood management for kafue river basin, zambia. Remarkably, almost half is recognised, either nationally or internationally, as ecologically important. Hydrogeochemical processes and the impact from mining activities within the kafue river basin, zambia, have been studied during an annual cycle march 1995april 1996.
The kafue river basin is considered of great importance to international, national and local interests. Yet the area faces growing pressure from a rapidly growing population, development. The kafue river sustains one of the worlds great wildlife environments. The population in the zambezi river basin is increasing at the rate of 2. Modelling and forecasting of hydrological variables using. Kafue national park is in the kafue river basin of zambia. Water economics and governance in the kafue river basin.
Modelling and forecasting of hydrological variables using artificial neural networks. The kafue river is the longest river lying wholly within zambia at about 1,600 kilometres 990 mi long. Konkola copper mines kcm is the primary source of this pollution, disposing of industrial waste products and various biochemical substances directly into the reservoirs. Nov 07, 2018 the water situational analysis of the lower kafue basin highlights the pivotal role the river plays, providing up to 50 per cent of zambias electricity, livelihoods for half of the countrys. Pdf water plays a critical role in the economic development of zambia where both rural and urban communities depend on it for agriculture. The area of its basin is 1,390,000 square kilometres 540,000 sq mi, slightly less than half of the niles. In the kafue flats, part of the zambezi river basin, the operation of two dams built in seventies has completely altered the hydrological natural regime of this internationally important wetland wwf, 2004. Importance to business importance of the kafue river to zambia figure 1. Forests are important in the lives of local communities as they provide poles for construction, wood fuel for cooking, help reduce soil erosion and provide various foods and medicines due to biodiversity. The kafue river basin is located mostly in the republic of zambia, although the basins headwaters are. The batwa considered in this survey inhabit the kafue flats in zambias southern province. Kafue river cliff limited situated 4 km off the kafue road, kafue town on the banks of the mighty kafue river. The water situational analysis of the lower kafue basin highlights the pivotal role the river plays, providing up to 50 per cent of zambias electricity, livelihoods for half of. Kafue river, river in zambia, rising near the countrys border with the democratic republic of the congo.
The river traverses copperbelt, central, southern and lusaka provinces, where major commercial, agricultural, industrial and mining activities are concentrated. It is one of the largest wetlands in southern africa and is an economically important area for grazi ng pastures, wildlife conservation. The kafue river basin is an important tributary of the zambezi river and economically is a core part of the republic of zambia. The lower kafue subbasin is the source of 50 per cent of all hydropower produced in the country, home to 7 per cent of the national fisheries, 20 per cent of the national cattle herd, and supplies 44 per cent of lusakas water. The river then flows south and finally east through the. Reoperating a system of multiple reservoirs to reconcile. Landsat imagery of the flood prone areas of kafue river basin. The hydrological processes in the kafue basin are particularly complex with the influence of massive floodplains the lukanga swamp and the kafue flats and the aforementioned dams. Flood frequency under changing climate in the upper kafue.
The topography of the headwater area of the kafue river is gently undulating, with many dambos. In view of kolmogorovs theorem kolmogorov, 1957 and. Tilmant a, w kinzelbach, d juizo, l beevers, db senn, c casarotto 2011 economic valuation of benefits and costs associated with the coordinated development and management of the zambezi basin. The water bodies found in the basin include the kafue river, its tributaries, dams and the kafue flats wetland. The year 1994 saw severe floods in the kafue flats when fishing camps and some settlements along the river were inundated and people were displaced. Pdf rural household water use in the kafue river basin. The zambezi river basin a multisector investment opportunities analysis volume 3 state of the basin the world bank the world bank group 1818 h street, n. Introduction the zambezi river basin lies across southern tropical africa, with significant portions in angola, zambia, zimbabwe, malawi and mozambique and smaller portions in namibia, botswana and tanzania see figure 1. Population of zambia, kafue river basin and kafue flats. The kafue river basin krb is the most economically distinct rainy and dry seasons. Realtime hydrologic modelling and floodplain modelling in. The waters of the voghji river were highly polluted by mn, co, cu, zn, mo, cd, and pb. It is intended that part of the proceeds of this loan will be applied to eligible payments under the contract for the improvement to climate resilient standards of strategic roads in the kafue river basin. The kafue river is the largest tributary to the zambezi river figure 1 1, contributing 9 per cent of the flow2,3.
The project has demonstrated the rationale that prudent and wise. Backwater from downstream kafue gorges reservoir and releases from upstream ithezi thezi dam have created a permanently. These interests are expressed through various socioeconomic endeavours such as water supply, hydroelectric power generation, irrigation, livestock production, farming, tourism and conservation. Water situational analysis of the lower kafue basin. Welcome to the kafue river trust the kafue river basin lies entirely within zambia and covers an area of 157,000 km2 somewhat larger than the area of england and wales.
Katuba is at the northern bank of the kafue river on the mwembeshi river, a tributary of the kafue river. Exploring the waterenergy nexus in the kafue river basin, zambia technical report pdf available january 2015 with 193 reads how we measure reads. Securing water for the sustainable future of the kafue river basin. It occupies an area of 104,514 km2 which represents about 67. A case study of the zambezi river by ashton applewhite, christine kirchhoff, and jonathan bulkley.
Below them the river continues to flow due east for about 200 kilometres 120 mi, cutting through perpendicular walls of basalt 20 to 60 metres 66 to 200 ft apart in hills 200 to 250 metres 660 to 820 ft high. The kafue river represents approximately 20 per cent of. Pdf exploring the hydrology and biogeochemistry of the dam. Strategy for flood management for kafue river basin 7 executive summary the kafue basin, one of the most sensitive basins in zambia, has been subjected to flooding. Kafue flats lie in the zambezi river basin, zambia. Wwf rief 201 page 2 the lower kafue generates 50 per cent of zambias national hydroelectricity supply through the kafue. Zambia contamination of the kafue river basin pure earth. The results of statistical analysis based on data sets of the period 20142016 showed that, after the influence of drainage water and wastewater of mining regions, heavy metal contents in the voghji river basin dramatically increased. Ukrb is located between latitude 11 360s and 15 470s and between longitude 25 180e and 28 550e. The kafue basin ecosystem is the only remaining natural habitat for the endangered kafue lechwe antelope kobus leche kafuensis. Distribution and identification of sources of heavy metals. The kafue river basin is located in the zambezi river basin in southern africa fig. Biodiversity of the zambezi basin 1 biodiversity of the zambezi basin jonathan timberlake 1.
Invasive alien species ias are second only to habitat destruction in their adverse effects on native biodiversity. Several invasive alien species are now present in the lower kafue basin and lukanga swamp where they are causing significant problems. Bimo nkhata on 15th mar 2016 this policy brief highlights the importance of the kafue river basin and provides key policy recommendations for improving water security in the basin. Securing water for the sustainable future of the kafue. It meanders generally southward until it turns west near the lukanga swamp which it drains. In this study, an integrated approach involving multiple standardized indicators and hydrological modeling soil and water assessment tool, swat was evaluated to reconstruct and characterize meteorological, agricultural and hydrological droughts in. The project was implemented over a period of two years in the three sites of the kafue river basin in the. Most of the countrys mining, agriculture, and population is concentrated in the kafue basin, which cuts an lshape through the center of the country before. The kafue river in this area takes a meandering and indeterminate course.
The length of the river from source to its confluence with the zambezi river is 1550km, with a total drop in gradient of approximately 1,400 meters. The 2,574kilometrelong river 1,599 mi arises in zambia and flows through eastern angola, along. At the moment, forests are being lost and it is important to understand the impacts of the lost. Afdb towards the cost of the improvement to climate resilient standards of strategic roads in the kafue river basin. Pdf characterization of droughts in humid subtropical.
The river traverses through the copperbelt, central, southern and lusaka provinces, where major commercial, agricultural, industrial and mining activities are concentrated. Abstraction rates in the kafue river basin with and without the effects of population growth and climate change 90 table 423. The kafue contributes to approximately 10% of the zambezis runoff. Most local communities depend on forests in supplementing their livelihoods. In both parts, the data are presented to several threelayer ffbp anns for training. Pdf water security on the kafue flats of zambia researchgate. Abstract a simple reservoir routing scheme is applied to the available hydrometeorlogical data from the kafue river subdrainage basin in zambia to derive flow contributions from the ungauged parts of the basin. Zambia electricity shortage highlights africas hydropower shortfalls july 22. The kafue river a zambezi tributary transports nutrients from agricultural areas in. Along with greater collective action, the report calls on the government to develop and implement risk. A case study of the zambezi river by ashton applewhite, christine kirchhoff, and jonathan bulkley victoria falls the zambezi river is more than 2 kilometers 1. It is the largest tributary of the zambezi, and of zambias principal rivers, it is the most central and the most urban. Batoka gorge hydro electric scheme project overview document march 2017 page 6 1. Mimosa mimosa pigra mimosa pigra, a native to south america, is an.
Strategy for flood management for kafue basin, zambia final. Road development agency pilot project for climate resilience. The shaded area represents the kafue flats floodplain between the kafue gorge and itezhitezhi dams, not the entire river basin kafue flats summary of basin characteristics k afue flats are the vast, open floodplain of the kafue river, covering some 6,500km2 within the wider basin of the. Lower kafue the kafue river is the longest tributary of the zambezi, and its catchment is entirely located within zambia. Securing water for the sustainable future of the kafue river.
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