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McCarthy, T.S. and Ellery, N.W. 1997. The Fluvial dynamics of the Maunachira Channel system, northeastern Okavango Swamps, Botswana. Water SA, 23 No.2: 115-125


Description:

The Fluvial dynamics of the Maunachira Channel system, northeastern Okavango Swamps.

Summary / Notes:

This study was undertaken to investigate the role and function of secondary channels (those that arise within the swamps and carry no externally derived bedload sediment) in the Okavango Delta, and focused on the Maunachira Channel. This study suggests that secondary channels such as the Maunachira Channel arise due to local oversteepening of the gradient on the fan surface and their role is to redistribute sediment down the fan. Their efficiency is, however, probably very low, because both erosion and deposition of sediment is confined largely to in-channel areas. Hydrology.

Year: 1997

Type: Journal Article

Origin: Bibliography compiled for Okavango River: The flow of a lifeline.

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Reavel, P.E., Lee, R.E. and White, R.E. 1973. Okavango hydrobiological project, first yearly report, 1972-1973. Department of Botany, University of Witwatersrand, Johannesburg
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1973Bibliography compiled for Okavango River: The flow of a lifeline.Report10.81 mb pdf
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McCarthy, T.S., Rogers, K.H., Stanistreet, I.G., Ellery, W.N., Cairncross, B. and Ellery, K. 1988. Features of Channel Margins in the Okavango Delta. Palaeoecology of Africa and the Surrounding Islands, 19. Southern African Society for Quaternary Research
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1988Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article665 kb pdf
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Ellery, W. N., Ellery, K., Rogers, K.H., McCarthy, T.S.and Walker, B.H. 1993. Vegetation, hydrology and sedimentation processes as determinants of channel form and dynamics in the northeastern Okavango Delta, Botswana. African Journal of Ecology, 31: 10-25
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1993Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article3.02 mb pdf
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Stanistreet, I.G., Cairncross, B. and McCarthy, T.S. 1993. Low sinuosity and meandering bedload rivers of the Okavango Fan: channel confinement on the vegetated levees without fine sediment. Sedimentary Geology, 85: 135-156
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1993Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article1.41 mb pdf
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Dincer, T. and Hutton, L.G. Using stable isotopes, of flow distribution, surface-ground water relations and evaporation in the Okavango swamp, Botswana. FAO Project investigation of Okavango Delta, Maun, Geological Survey of Botswana, Lobatse
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Bibliography compiled for Okavango River: The flow of a lifeline.Report
Wilson, B.H. and Dincer, T. 1976. An introduction to the hydrology and hydrography of the Okavango Delta. Okavango Delta Symposium, Proceedings of the Symposium on the Okavango Delta and its future utilization, National Museum, Gaborone, (Botswana Society)
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1976Bibliography compiled for Okavango River: The flow of a lifeline.Report4.53 mb pdf
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McCarthy, T.S., Ellery, W.N., Rogers, K.H., Cairncross, B. and Ellery, K. 1986. The roles of sedimentation and plant growth in changing flow patterns in the Okavango Delta, Botswana. South African Journal of Science, 82: 579-584
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1986Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article538 kb pdf
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McCarthy, T.S., McIver, J.R. and Cairncross, B. 1986. Carbonate accumulation on islands in the Okavango Delta, Botswana. South African Journal of Science, 82Department of Geology and Botany, University of Witwatersrand, Johannesburg: 588-591
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1986Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article367 kb pdf
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McCarthy, T.S., Stanistreet, I.G. and Cairncross, B. 1991. The sedimentary dynamics of active fluvial channels on the Okavango fan, Botswana. Sedimentology, 38: 471-487
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1991Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article2.85 mb pdf
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McCarthy, T.S., Ellery, W.N. and Stanistreet, I.G. 1992. Avulsion mechanisms on the Okavango fan, Botswana: the control of a fluvial system by vegetation. Sedimentology, 39: 779-795
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1992Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article2.78 mb pdf
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McCarthy, T.S., Green, R.W. and Franey, N.J. 1993. The influence of neo-tectonics on water dispersal in the northeastern regions of the Okavango swamps, Botswana. Journal of African Earth Sciences, 17(1): 23-32
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Cronberg, G., Gieske, A., Martins, E., Mengu, J.P. and Stenstrom, I-M. 1995. Hydrobiological studies of the Okavango Delta and Kwando /Lenyanti /Chobe River, Botswana, I surface water quality analysis. Botswana Notes and Records, 27: 151 - 226
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1995Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article6.43 mb pdf
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Dincer, T., Heemstra, H.H. and Kraatz, D.B. 1976. The study of hydrological conditions in an experimental area in the seasonal swamp. Technical note no. 20, UNDP/FAO, BOT/71/706
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1976Bibliography compiled for Okavango River: The flow of a lifeline.Report
Dincer, T., Hutton, L.G. and Kupee, B.B.J. 1981. Study, using stable isotopes of flow distribution, surface-groundwater relations and evapotranspiration in the Okavango Swamp, Botswana. I.A.E.A, Vienna, Proc. Ser. SII/AUB/493: 3-26
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1981Bibliography compiled for Okavango River: The flow of a lifeline.Report2.37 mb pdf
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Gieske, A. Influence of shallow groundwater levels on outflow from the Okavango Delta, Botswana. University of Botswana, Geology Department, Gaborone, Botswana
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Bibliography compiled for Okavango River: The flow of a lifeline.Report452 kb pdf
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Gumbricht, T., McCarthy, J. and McCarthy, T.S. Channels, wetlands and islands in the Okavango Delta, Botswana, and their relation to hydrological and sedimentological processes. Earth Surface Processes and Landforms, In press
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Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article3.42 mb pdf
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Kraatz, D.B. 1976. The Xudum-Xwaapa flow redistribution scheme. Investigation of the Okavango Delta as a Pprimary Water Resource for Botswana, Bot/71/506, Technical note no.17, United Nations Development Program
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1976Bibliography compiled for Okavango River: The flow of a lifeline.Report849 kb pdf
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McCarthy, T.S., Cooper, G.R.J., Tyson, P.D. and Ellery, W.N. 2000. Seasonal flooding in the Okavango Delta, Botswana - recent history and future prospects. South African Journal of Science, 96: 25-28
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McCarthy, T. and Ellery, W. 1995. Sedimentation on the distal reaches of the Okavango Fan, Botswana, and its bearing on calcrete and silcrete (Ganister) formation. J. Sedimentary Res., A65 (1), pp 77-90., A65(1): 77-90
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Porter, J.W. and Muzila, I.L. 1988. Aspects of swamp hydrology in the Okavango. Botswana Notes and Records, 21: 73-91
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1988Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article1.38 mb pdf
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Sefe, F.T.K. 1998. How much water comes into the Okavango Delta system? A study of the discharge gauging data for the Okavango River at Mohembo. National Institute for Development, Research and Documentation (NIR), University of Botswana
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Sefe, F.T.K. 1996. A study of the stage-discharge relationship of Okavango River at Mohembo, Botswana. Hydrological Sciences Journal, 41(1): 97-116
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Shaw, P.A. 1983. A historical note on the outflows of the Okavango Delta System. Botswana Notes and Records, 16: 127-130
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Thompson, K. 1976. The primary productivity of African wetlands, with particular reference to the Okavango Delta. Okavango Delta Symposium, Proceedings of the Symposium on the Okavango Delta and its future utilisation, National Museum, Gaborone, Botswana
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Biggs, R.C. 1976. The effects of seasonal flood regime on the ecology of Chief's Island and the adjacent floodplain system. Okavango Delta Symposium, Proceedings of the Symposium on the Okavango Delta and its future utilization, National Museum, Gaborone
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1976Bibliography compiled for Okavango River: The flow of a lifeline.Report4.46 mb pdf
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Ernest, H.M. 1976. Manipulation of the Okavango Delta for increased outflow: its impact and constraints. Okavango Delta Symposium, Proceedings of the Symposium on the Okavango Delta and its future utilization, National Museum, Gaborone, (Botswana Society)
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1976Bibliography compiled for Okavango River: The flow of a lifeline.Report7.93 mb pdf
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McCarthy, T.S., Ellery, W.N. and Rogers, K.H. 1987. Observation on the abandoned Nqoga Channel of the Okavango Delta. Botswana Notes and Records, 19: 83-89
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McCarthy, T.S., McIver, J.R., Cairncross, J.R., Ellery,K. and Ellery, W.N. 1989. The Inorganic chemistry of peat from the Maunachira channel-swamp system, Okavango Delta, Botswana. Geochim. Cosmochim. Acta, 53: 1077-1089
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1989Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article1.02 mb pdf
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Ellery, K., Ellery, W., Rogers, K.H. and Walker, B. 1990. Formation, colonisation and fate of floating sudds in the Maunachira river system of the Okavango Delta, Botswana. Aquatic Botany, 38: 315-329
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Ellery, K., Ellery, W.N., Rogers, K.H. and Walker, B.H. 1991. Water depth and biotic insulation: Major determinants of back-swamp plant community composition. Wetlands Ecology and Management, 1 no. 3: 149-162
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1991Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article2.26 mb pdf
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McCarthy, T.S., McIver, J.R. and Verhagen, B. Th. 1991. Groundwater evolution, chemical sedimentation and carbonate brine formation on an island in the Okavango Delta swamp, Botswana. Applied Geochemistry, 6: 577-595
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1991Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article2.62 mb pdf
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McCarthy, T.S., Ellery, W.N. and Ellery, K. 1993. Vegetation-induced, subsurface precipitation of carbonates as an aggradational process in the permanent swamps of the Okavango delta (fan), Botswana. Chemical Geology, 107: 111-131
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1993Bibliography compiled for Okavango River: The flow of a lifeline.Journal Article1.35 mb pdf
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McCarthy, T.S., Ellery, W. and Stanistreet, I.G. 1993. Lakes of the north eastern region of the Okavango swamps, Botswana. Z. Geomorph. N.F., 37(3): 273-294
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McCarthy, T.S. and Ellery, W.N. 1994. The effect of vegetation on soil and groundwater chemistry and hydrology of islands in the seasonal swamps of the Okavango Fan, Botswana. Journal of Hydrology, 154(1-4): 169-193
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