Water management problems in the Ethiopian rift: Challenges for development

Alemayehu, 2006, Hydrochemical and lake level changes in the Ethiopian rift, Journal of Hydrology, 316, 290, 10.1016/j.jhydrol.2005.04.024 Amha, 1982, Limnological aspects of an algal bloom on L. Chamo in Gamo Goffa Administrative region of Ethiopia in 1978, SINET: Ethiopian Journal of Science, 5, 1 Ayalew, 2004, Ground cracks in Ethiopian rift valley: facts and uncertainties, Engineering Geology, 75, 309, 10.1016/j.enggeo.2004.06.018 Ayenew, T., 1998. The hydrogeological system of the lake district basin, Central Main Ethiopian rift. Published PhD thesis, Free University of Amsterdam, The Netherlands, 259p. Ayenew, 2001, Numerical groundwater flow modeling of the Central Main Ethiopian rift lakes basin, SINET: Ethiopian Journal of Science, 24, 167, 10.4314/sinet.v24i2.18184 Ayenew, 2001, Recent changes in the level of Lake Abiyata, Central Main Ethiopian rift, Journal of Hydrological Sciences, 47, 493, 10.1080/02626660209492949 Ayenew, 2002, Recent changes in the level of Lake Abiyata, Central Main Ethiopian rift, Hydrological Sciences, 47, 493, 10.1080/02626660209492949 Ayenew, 2003, Evapotranspiration estimation using thematic mapper spectral satellite data in the Ethiopian rift and adjacent highlands, Journal of Hydrology, 279, 83, 10.1016/S0022-1694(03)00173-2 Ayenew, 2003, Environmental isotope-based integrated hydrogeological study of some Ethiopian rift lakes, Journal of Radioanalytical and Nuclear Chemistry, 257, 11, 10.1023/A:1024772621428 Ayenew, 2004, Environmental implications of changes in the levels of lakes in the Ethiopian rift since 1970, Regional Environmental Change, 4, 192, 10.1007/s10113-004-0083-x Ayenew, T., Demellie, M., in press. Bathymetric survey and estimation of the water balance of lake Ardibo, Northen Ethiopia. SINET: Ethiopian Journal of Science. Baxter, 1965, Stratification in tropical African lakes at moderate altitudes (510–520), Limnology and Oceanography, 10, 511, 10.4319/lo.1965.10.4.0510 Benvenuti, M., Dainelli, N., Iasio, C., Sagri, M., Ventra, D., 1995. Report on EEC funded project “Land resources inventory, environmental change analysis and their applications to agriculture in the Abaya lakes region” report no. 4, University of Florence, Italy, pp. 6–27. Brook, 1994, Changes in the limnological behavior of a tropical African explosion crater lake: L. Hora-Kilole, Ethiopia, Limnologica, 24, 57 Chernet, T., 1982. Hydrogeological map of the lakes region (with memo). Ethiopian Institute of Geological Surveys, Addis Ababa, Ethiopia. Chernet, 2001, Mechanism of degradation of the quality of natural water in the lakes region of the Ethiopian rift valley, Water Research, 35, 2819, 10.1016/S0043-1354(01)00002-1 Darling, 1996, Lake-groundwater relationships and fluid-rock interaction in the African rift valley: isotopic evidence, Journal of African Earth Sciences, 22, 423, 10.1016/0899-5362(96)00026-7 Dechassa, T., 1999. Water balance and effect of irrigated agriculture on groundwater quality in the Wonji area, Ethiopian rift valley. Unpublished M.Sc thesis, Addis Ababa University, 136pp. De Filippis, 1940, Condizioni chimiche del lago Hora Abiata, Boll. Idrobiol. Africa Orientale Italiana, 1, 77 Du Bourg, 1903, The Du Bourg de Bozas expedition: death of the leader, Geographical Journal, 21, 319 Gebreegziabher, Y., 2005. Assessment of the water balance of lake Awassa catchment, Ethiopia. M.SC thesis, International Institute for Geo-Information Science and Earth Observation (ITC).Enschede, The Netherlands, 92pp. Geremew, Z., 2000. Engineering geological investigation and lake level changes in the Awassa basin. M.Sc thesis. Addis Ababa University, Department of Geology ad Geophysics, 185pp. Hailu, D., Hess, M., Ayenew, T., 1996. The problem of high-rise groundwater in Amibara irrigation project, Middle Awash basin. Ethiopian Science and Technology Commission, Unpublished report, Addis Ababa. Halcrow, 1989. Masterplan for the development of surface water resources in ten Awash basin, vol. 6, Ministry of Water Resources, Addis Ababa. Hillman, J.C., 1988. Abijata-Shalla Lakes: national park reports on status and proposals, Addis Ababa, Mimeo. Kassahun, W., 1982. Comparative Limnology of L. Abijata and L. Langano in Relation to Primary and Secondary Production, M.Sc. thesis, Addis Ababa University, Ethiopia. Kazmin, V., 1979. Stratigraphy and correlation of volcanic rocks of Ethiopia, Ethiopian Institute of Geological Surveys, Note number 106, pp. 1– 26. Kebede, 1996, Phytoplankton composition and diversity in a salinity–alkalinity series of lakes in the Ethiopian rift valley, Hydrobiologia, 80, 1 Kebede, 1994, Eutrophication of L. Hayq in the Ethiopian highlands, Journal of Plankton Research, 14, 1473 Kebede, 1996, The Ethiopian rift valley lakes. Chemical characteristics along a salinity–alkalinity series, Hydrobiologia, 288, 1, 10.1007/BF00006801 Kebede, 2001, Application of isotope and water balance approaches for the study of the hydrogeological regime of the Bishoftu crater lakes, Ethiopia, SINET: Ethiopian Journal of Science, 24, 151, 10.4314/sinet.v24i2.18183 Kebede, 2005, Groundwater recharge, circulation and geochemical evolution in the source region of the Blue Nile river, Ethiopia, Applied Geochemistry, 20, 1658, 10.1016/j.apgeochem.2005.04.016 Legesse, 2003, Hydrological response of a catchment to climate and land use changes in Tropical Africa: case study South Central Ethiopia, Journal of Hydrology, 275, 67, 10.1016/S0022-1694(03)00019-2 Legesse, 2004, Analysis of hydrological response of a tropical terminal lake, Lake Abiyata (Main Ethiopian rift Valley) to changes in climate and human activities, Hydrological Processes, 18, 487, 10.1002/hyp.1334 Lloyd, 1994, Groundwater management problems in the developing world, Applied Hydrogeology, 4, 35, 10.1007/s100400050042 Loffredo, S., Maldura, C.M., 1941. Resulatati delle ricerche de chimica limnologica sulle acque dei laghi dell’Africa orienntale Italiana esplorati della Missione ittiologica. In: Piccioli, A. (Ed.), Esplorazione dei laghi della Fossa Galla, Collezione scientifica e documenatari dell’Africa Italiana III, vol. I, pp. 181–200. Makin, M.J., Kingham, T.J., Waddams, A.E., Birchall, C.J., Eavis, B.W., 1976. Prospects for irrigation development around lake Ziway, Ethiopia. Land Res. Study. Division, Ministry of Overseas Development, 26, Tolworth, UK, 270pp. MWR, 1999. Study of lake Beseka. Main Report (volume 1). Ministry of Water Resources, Addis Ababa, Ethiopia, 203pp. Neumann, 1901, The erlanger expedition in North-East Africa, Geographical Journal, 17, 528 Nidaw, D., 1990. Hydrogeology of Awassa Area, M.Sc. thesis, Addis Ababa University, Department of Geology and Geophysics, 106pp. OEPO, 2005. A review of the current status and an outline of a future management plan for Lakes Abijata and Ziway. Oromia Environmental Protection Office, Unpublished Technical Report, Addis Ababa, Ethioipia, 80pp. Omer-Cooper, 1930, Dr. Hugh Scott’s expedition to Abyssinia. A preliminary investigation of the fresh water fauna of Abyssinia, Proceedings of the Zoological Society of London, 195, 10.1111/j.1096-3642.1930.tb00973.x Street, F.A., 1979. Late Quaternary Lakes in the Ziway–Shala Basin, Southern Ethiopia (UK), PhD Thesis [Quaternaire: STR-80.094]. Talling, 1965, The chemical composition of African lake waters, Internationale Revue der Gesamten Hydrobiologie, 50, 421, 10.1002/iroh.19650500307 Tessema, Z., 1998. Hydrochemical and water balance approach in the study of high water level rise of lake Beseka. M.Sc thesis, The University of Birmingham, 90pp. 2002, 289 UNDP, 1973. Geology, geochemistry and hydrology of hot springs of the East African rift system within Ethiopia, United Nations, New York. Von Damm, 1984, Reverse weathering in the closed basin lakes of the Ethiopian rift, American Journal of Science, 284, 835, 10.2475/ajs.284.7.835 Wenner, C.G., 1973. A master plan for water resources and supplies in the Chilalo Awraja. CADU Publication no. 89, Swedish International Development Agency, Stockholm. Wood, 1988, Chemical and algal relationship in a salinity series of Ethiopian inland waters, Hydrobiologia, 158, 29, 10.1007/BF00026266 WWDSE, 2001. The study of lake Awassa level rise. Southern Nations Nationalities and Peoples Regional State. Water, Mines and Energy Resources Development Bureau. Unpublished report of the Water Works Design and Supervision Enterprise (main report volume II), Ministry of Water Resources, Addis Ababa, Ethiopia, 291pp. Zinabu, 2002, The Ethiopian rift valley lakes: major threats and strategies for conservation, 259 Zinabu, 1989, Water resources and fisheries management in the Ethiopian rift-valley lakes, SINET: Ethiopian Journal of Science, 12, 95