The people were left stranded by flood water in Haro Hadi Town following the overflow of Awash River and Lake Bekele. More than 580,000 people have been displaced by the flooding in Somalia, according to the most recent statistics from the United Nations Office for the Coordination of Humanitarian Affairs (UNOCHA). A large majority of Ethiopiaâs population lives here, the rest live on the flatter areas and work as farmers. Urbanization, and the changing of land use from vegetation to impervious surfaces along streams and rivers increases the hazard posed by floods. The region is prone to cycles of flood and drought. Erosion over a long period can create large floodplains adjacent to rivers because sediment that has been eroded away eventually settles creating a flat area on either side of a stream. Unusually large rainfall or snowmelt are examples of the weather and climate abnormalities that cause major floods, however human interactions can divert rivers and change the risk of flooding. The steeper the slope along which a river flows, the affects the flow of water. How regional weather systems effect flooding in Ethiopia. Importance of the Nile River’s origins in Ethiopia; Seasons in Ethiopia; Flooding in Ethiopia. National Weather Service. Some floods occur abruptly and recede quickly whereas others take several days or even months to form and to recede because of var… Retrieved from http://www.meteo-ethiopia.net/climate.htm, How regional weather systems effect flooding in Ethiopia. Flood causes in particular basin size can be pinpointed. (See Drought in Eastern Ethiopia on the Earth Observatory. Clouds are light blue. In many river systems of Ethiopia, flood can cause a range of impacts and risks such as pollution of drinking water, death and injury, distraction of houses and lively hood, displacement, and distraction of the community and wildlife. The short rainy season in southeastern Ethiopia typically runs from October to January. Heavy rains starting on November 2 pushed several rivers in southeastern Ethiopia over their banks. Flight Center. The loss of vegetation cover (by deforestation, drought, or other natural causes), loose soil, urbanization, land covered by impervious surfaces, and steep slopes are the main factors that affect the amount of soil erosion and thus increase the damage caused by flooding. A project done for GEOG 2137 at GWU, by Lotanna Obodozie, LJ Conley, Frankie De Cristofaro, and Alex Rodgers. The multidimensional causes of flood hazard and limited landscape based mitigation strategies in the study area have worsen the impacts of flooding. A long duration or rainfall in a large river watershed or short and heavy precipitation in a small watershed both cause large flows in rivers. Orthographic lift occurs more often in areas around the trade winds (which is denoted as between the equator and 30 degrees) with high elevation. Costa, Jon E., & OâConnor, Jim E. (2003). Upper Saddle River, NJ: Pearson Prentice Hall. Retrieved from http://pubs.usgs.gov/circ/2003/circ1245/. National Oceanographic and Atmospheric Administration. (This phenomenon is known as orthographic lift). Record floods cause deaths and widespread damage in Sudan August 28, 2020 September 4, 2020 Ethiopian Monitor #flood , #Nile river , #Sudan KHARTOUM – Floodwaters in Sudan have reached the highest levels on record, killing dozens of people, destroying thousands of homes and encroaching on some neighborhoods of the capital Khartoum. Retrieved from http://pubs.usgs.gov/circ/2003/circ1245/. 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