The state of the river nile basin 2012 229 sudan, indicating very substantial differences in income and wealth in the nation. Snowy mountains engineering corporation abstract transboundary river basins are under increasing pressure due to population growth. The nile river basin the 6850km long nile is the worlds longest river, and flows from south to north with a catchment basin covering approximately 10% of the african continent exhibit 1. River basin planning guy pegram, li yuanyuan, tom le quesne, robert speed.
International river basins in the baltic sea region baltex. In total, they occupy a land area of 749 000 km2 6. The white volta river contributes on an annual basis in average some 20% of the inflow to the volta lake, and hence, is an important element of the hydropower generation at akosombo dam and kpong power stations in the. However, the water administrations in these basins must be adequately improved and. Development of river basin organizations in nigeria. A distributed hydrological model namely swat soil and water assessment. The study also recommends a series of measures for the four. Hydrologic impacts of landuse change in the upper gilgel. The holetta river is the main source of surface water in the study area and it is a perennial river. The annual growth rate of the urban population is estimated between 4 and 5 per cent, but a large majority of nile citizens in 2030 will still be living in rural areas. The findings also provide useful support for land use planning and management.
This basin snapshot is limited to the four countries of the upper and middle niger basin. Northern river basins study project repository of the. The nile the worlds longest river runs through 10 countries, four of which are water scarce. A total seventeen fish species were africa and the second longest in the world. Fish species diversity in major river basins of ethiopia. Transboundary cooperation 2012 pdf 6,7mb this map presents a preliminary assessment of the degree of international coordination and cooperation in transboundary river basins in the europe. Major tributary basins this level delimits all basins larger than 100,000 km2, including. The human development index for south africa was 0,619 in 2011, ranking it 123rd out of 187 countries with data undp hdr 2011. Proposed new ethiopian government administrative boundary.
Concise description and nature of services provided. Thus was born the concept of the integrated river basin as a unit for water management under an autonomous basinwide administration. River basin management and development horizon ird. The white volta river basin is one of the four main subbasins of the volta river system and spans togo, burkina faso and ghana. The potential stream flow increase in sobat river is estimated to be 0. International river basins of the world oregon state university. This map presents the national and international river basin districts as designated by member states.
Over three million people derive their livelihoods from the pangani river basin, primarily. These are 6,700 km from its source in the equatorial lake basin to the included in three families i. Water experts believe there is not enough water in the river to meet the various irrigation goals of the nile basin nations. Rufiji river rurubu river ruvuma river ruvyironza river. The northern river basins study was initiated through the canadaalbertanorthwest territories agreement respecting the peaceathabascaslave river basin study, phase ii technical studies which was signed september 27, 1991. Iran are considered as drainage basin states, they are usually not included in studies of the basins of the two rivers.
It provides an assessment of the crops that use most water in nine large river basins that are globally important for biodiversity conservation. Ethiopia has 12 river basins and awash river basin is one of them. Ethiopia genaledawa river basin integrated resources development master plan study project completion report. Impacts on egypt water resources management and road map research pdf available august 2015 with 11,565 reads how we measure reads. About 46 % of the basin area falls in amhara state, 32% falls in oromia and the rest of about.
River basins development authorities decree 1979 300 river basin planning in nigeria tion, were proposed and built by foreign engineering companies cf. The jubba river transports substantial volumes of sediment 10. The new river basin is located in southwest virginia and covers 3,068 square miles, or approximately. Obiwe said that the action was aimed at repositioning the rbdas for effective service delivery. Pdf drought analysis in the awash river basin, ethiopia. Awash river basin is the most important, intensively utilized and environmentally vulnerable basins in ethiopia edossa et al. The nile basin covers an area of around 3 million km2, or nearly 10% of the landmass of the african continent, and is home to 160 million people. The pangani river basin covers an area of 43,650km2with 95% in tanzania and 5% in kenya. A map showing the main river basins of ethiopia blue nile abay basin. The total drainage area of the two basins was also previously estimated to 805 100 km2 12. The training of staff for the running and maintenance of rural development schemes and for general extension work at the village level source. It supports largescale irrigation, fisheries and livestock herding, provides drinking water, generates hydropower and allows navigation.
Gumera catchment is situated at the eastern side of tana basin and is one of the major catchments around lake tana having. Description of the basin the awash river basin is the most important river basin in ethiopia, and covers a total land area of 110,000 km 2 and serves as home to 10. Regional maps are provided in annex ii and a table of basins by continent, with basin codes, is provided in annex iii1. Its course is entirely contained within the boundaries of ethiopia, and empties into a chain of interconnected lakes that begin with lake gargori and end with lake abbe on the border with djibouti, some 100 kilometers 60 or 70 miles from the head of the gulf of tadjoura. World bank, agriculture and rural development department, washington, dc. Holetta river is one of the rivers found in the upper part of awash basin and facing challenges of runoff variability and scarcity of water availability during the dry season. Ethiopian valleys development studies authority evdsa financing institution. Genale dawa river basin integrated resources development master plan study grant number. Neches river basin the neches basin is the third largest river basin whose watershed area is entirely within texas and the fourth largest by average flow volume.
Named by early explorers after the neches indian tribe, the neches river flows from headwaters in van zandt county to its confluence with sabine lake, which drains to the gulf of mexico. The wwf describes integrated river basin management as the process of coordinating conservation, management and. The tigris river is approximately 1,840 km long, while the euphrates is between 2,700 and 3,000 km long, making it the longest river in southwest asia. Water demand analysis and irrigation requirement for major. South africa shares four international river basins. The richness of north arolinas aquatic fauna is directly related. A number of major irrigation projects are currently being built, designed and planned and it is very essential to estimate the availability of water. Speaking on the appointment of new management teams for the river basins, mr.
Unlike most other river basins in ethiopia, the water resources of the awash river have been highly developed and utilized over the last five decades. Ethiopia genaledawa river basin integrated resources. The baro river area, accessibly by land or air through the western ethiopia town of gambela, remains a place of adventure and challenge. The awash river basin is one of the 12 river basins of ethiopia. Kilimanjaro, mt meru and the pare and usambara mountain ranges and. It flows recorded in upper head of blue nile river 26. Analysis of water use on a large river basin using mike. Managing shared river basins in the horn of africa. A new gisbased river basin framework amazon waters. The present study, agricultural water use and river basin conservation, is an important contribution to our policy and field actions. Ethiopia has 12 river basins annual runoff from the 9 river basins 122bm3 abbay 53%, baro akobo 24% abbay and baroakobo contribute 77% omoghibe 18% the remaining other river basins contributes pdf 1mb this map presents the national and international river basin districts as designated by member states. The basin is bounded to the east by the oti river basin, to the west by the black volta river basin and to the south by the mainlower volta subbasins.
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