Abay river tributaries org Figure1. 8, No. From October to April, the flow rate of rivers decreased, so the death rate increased accordingly. The seasonal (torrential) tributaries of the Al-Jabal supply it with nearly 20 percent of its water. Jan 1, 2021 · The Blue Nile leaves Lake Tana and flows through a series of deep valleys and canyons and joins the White Nile at Khartoum, The Sudan. 2. The Didessa (pronounced: ɗeɗ:e:s:a; Oromo: Dhedheessa) is a river in western Ethiopia. The Muger has a drainage area of about 8,188 square kilometers. The Great River accounts about 70 percent of the volume of the country's rivers. 4, 2016 www. The aim of the present study was to assess the impact of climate change on the Gilgel Abay River, Upper Blue Nile Basin. It reputedly rises as the Abāy from a spring 6,000 feet (1,800 metres) above sea level, near Lake Tana in northwestern Ethiopia. Location Map of Gilgel Abay River Catchment (adapted from Abay River Master Plan of Ethiopian Ministry of Water Resources(MoWR,1998):Map of The main tributaries of Gilgel Abay are Koga and Jemma among others (Figure 1) 57 Civil and Environmental Research ISSN 2224-5790 (Paper) ISSN 2225-0514 (Online) Vol. The Statistical Downscaling Tool (SDSM) was used to downscale the HadCM3 (Hadley centre Climate Model 3) Global Circulation Model (GCM) scenario data into finer scale resolution. The river and its tributaries drain a large proportion of the central, western and south-western highlands of Ethiopia before dropping to the plains of Sudan. The Blue Nile (known as the Abay River in Ethiopia) is the principal tributary of the main Nile River. The reduction of active river channels and the increment of river bars are mainly related to the decreasing outflow discharge from the Abay River due to the development of different water resource projects on the Lake Tana and its tributary rivers, as discussed in Section 3. The upper part of the Blue Nile flows through the Central Highlands of Ethiopia before continuing its way to Sudan. There are numerous tributaries of the Abay between Lake Tana and the Sudanese border. Besides, as the basin is small, it is assumed that the impact of climate change will be more or less the same in other tributary rivers. 1 Topography. iiste. HISTORY ABAY RIVER. Tributaries of the Gilgel Abbay include the Ashar, Jamma, Kelti and the Koger. 2. Several tributaries join the Blue Nile (Abay) river between Lake Tana and the Sudanese border. Rising in the mountains of Gojjam, it flows northward to empty into south-western Lake Tana in a bird's-foot delta. The Muger River is a north-flowing tributary of the Abay River in central Ethiopia, which is notable for its deep gorge. Mereb River. Dagnew Mequanent 1, Minwyelet Mingist 2, Abebe Getahun 3 and Wa ss ie Anteneh 4. Cheleleka River Jul 27, 2018 · 4. The river provides 62% of the flow reaching the Aswan High Dam and is a vital source The main tributaries of Gilgel Abay are Koga and Jemma among others (Figure 1) 57 Civil and Environmental Research ISSN 2224-5790 (Paper) ISSN 2225-0514 (Online) Vol. Location Map of Gilgel Abay River Catchment (adapted from Abay River Master Plan of Ethiopian Ministry of Water Resources(MoWR,1998):Map of Sep 1, 2014 · Tana to Gilgel Abay River and its tributaries, Blue Nile . A central goal of IWRM at the river basin level is to achieve water security for all purposes, as well as manage risks while responding to, and mitigating disasters. Here, one can perceive the national as well as the international prominence of the river basin. Angereb River. The Angereb also known as the Bahr as-Salam is a river of Ethiopia and eastern Sudan, and one of the sources of the Nile. Its confluence with the Abay is at: 9°55′07″N 37°55′50″E. Figure 1 The location of the Abay River basin with documented water projects . The Abay River basin . The river loops across northwest Ethiopia before being fed by numerous tributaries between Lake Tana and the Ethiopia–Sudan border. Mar 1, 2021 · Amongst the rivers, the Ribb River and its tributaries have the highest death toll, but locals pointed out that except for Gilgel Abay River, mass fish-killing is common. The river flows into and out of the lake, runs through a The Muger River (or Mujer) is a north-flowing tributary of the Abay River in central Ethiopia, which is notable for its deep gorge. The source of the Blue Nile is a spring called Gish Abay in Ethiopia. 5 m wide during Oct 24, 2013 · Climate change is likely to have severe effects on water availability in Ethiopia. Abay River - Adabay River - Akaki River - Akobo River - Ala River - Alero River - Angereb River - Ataba River - Ataye River - Atbarah River - Awash River - Awetu River - Ayesha River-Dhadheba River-Lugita River. A tributary of the Abay River, it rises in the mountains of Gomma, flowing in a northwesterly direction to its confluence where the course of the Abay has curved to its southernmost point before turning northwards. There are many small Tributaries streams of the Muger which include the Labbu, Aleltu,sibilu, Roba and Gerbi rivers. Sites (Rivers) Air distance from the mouth of Gilgel Abay (km) Characteristics of the site Coordinates Gilgel Abay 50. In the year 2012/1 3, in ad dition to Lake Tana water q uality The Bashilo River (less often known as the Beshitta) is located in Ethiopia. [3] Blue Nile River, headstream of the Nile River and source of almost 70 percent of its floodwater at Khartoum. The Soil and Oct 24, 2013 · As the Gilgel Abay is the largest tributary river feeding in to Lake Tana, any change in river flow is likely to affect the lake. The Blue Nile Falls (Amharic: Tis Abay, literally "great smoke"), one of Ethiopia's biggest tourist attractions, is located at the start of the canyon. It rises near Daqwa, north of Gondar in the Amhara Region, flowing west to join the Atbarah River. The annual outflow from Lake Albert to the Al-Jabal River is about 918 billion cubic feet. Sampling sites and their distance and characteristics mouth Gilgel Abay. In view of the above facts, this study focuses on physico-chemical water quality assessment of Gilgel Abay River, Ethiopia. Balagas River - Baro River - Bashilo River - Beles River - Bilate River - Birbir River - Blue Nile - Borkana River. Basin, Ethiopia . Known for its canyon, which one source describes as almost as extensive as the canyon of its parent the Abay, [1] also known as the Blue Nile, the river originates just west of Kutaber in the Amhara Region. It is the largest unit of the Nile Basin in terms of the Nov 30, 2024 · The reduction of active river channels and the increment of river bars are mainly related to the decreasing outflow discharge from the Abay River due to the development of different water resource projects on the Lake Tana and its tributary rivers, as discussed in Section 3. Map design: Georg Lieth with add- ins by author . Its chief importance Nov 30, 2024 · The reduction of active river channels and the increment of river bars are mainly related to the decreasing outflow discharge from the Abay River due to the development of different water resource projects on the Lake Tana and its tributary rivers, as discussed in Section 3. The Gelgel Abay in the right bank of the main stem starts at the Choke Mountain in Gojam with an altitude of above 3800 m asl. These tributaries join Abay River in Sudan. The Gummera and Rib rivers (major tributaries of Lake Tana in the east) start flowing from the Guna peak, in south Gondar, with an altitude of above 4000 m asl. Its two sub-basins are referred to as Abay on the Ethiopian side and as Nov 28, 2016 · Abay River is one of t he main tributaries of the Lake Ta na that causes major drivers of change in water quality of Lake T ana. Map of Lake Tana and the sampling sites in Gilgel Abay River and its tributaries Table 1. [2] It was bounded by the historical Endagabatan province. Abay means the largest of all rivers. Abay River and its tributaries water quality and quantity where questions are raised from downstream and upstream communities. Tributaries of the Muger include the Labbu. Abay is the largest tributary of the Nile which originates from Ethiopia. Those on its left bank, in downstream order, include the Wanqa River, the Bashilo River, the Walaqa River, the Wanchet River, the Jamma River, the Muger River, the Guder River, the Agwel River, the Nedi River, the Didessa River and the Dabus River. Dec 5, 2011 · The river Nile is by many seen as the most important river in the world. Flowing first in a northwesterly direction to where the Aug 9, 2022 · the Gilgel Abay River watershed, including agricultural drainage, overexploitation of w ater resources, degradation o f catchment areas and urban expansion impacts. 1. The Gilgel Abay (Amharic: ግልገል አባይ, Gǝlgäl Abbay), or Lesser Abay, is a river of central Ethiopia. . 26 Sandy, about 7. The Mereb River (or Gash River), is a river flowing out of central Eritrea. Abay river basin accounts for half of the total annual discharge of the country and 62% of the total discharge that drains into Aswan dam in Egypt. The Mugar River (or Mujer) [1] is a north-flowing tributary of the Abay River in central Ethiopia, which is notable for its deep gorge.
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