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Volume 5, Issue 2, December 2019, Page: 6-14
Investigation of Drought Along the Blue Nile River Basin in East Gojjam Zone
Walelgn Dilnesa, Department of Hydraulic and Water Resources Engineering, Debre Markos Technology Institute, Debre Markos, Ethiopia
Received: Jun. 28, 2019;       Accepted: Aug. 18, 2019;       Published: Dec. 26, 2019
DOI: 10.11648/j.nsnm.20190502.11      View  36      Downloads  10
The Upper Blue Nile basin is less explored in drought studies as compared to other river basins in Ethiopia and a shortage of particular basin drought monitoring system. The area founds in along a Blue Nile basin faced a recurrent drought conditions in several years ago. The main objectives of this study are to investigate droughts along a Blue Nile basin in the east Gojjam zone. To evaluate the drought duration, severity, occurrence and risks it was used different indices. The results show a hydrological drought was occurring in a frequent condition in partial areas of Shebel Berenta, Goncha siso enese and Enarg enawuga woreda. Based on 12-month time-scale, the total number of drought events were identified in the area, using Reconnaissance drought index (RDI) during the period of analysis (1995–1996) and its values 100% drought and its ranges were highly sever. Considering the drought events in the stream flow drought index (SDI) the values indicates drought severity was existed in the year 1984/1985 and 1989/1990. Inaddation standard precipitation index (SPI) also indicates a severity of drought in 1984/1985, 1990/1991 and 1991/1992 and its values was -1.5. Generally the hydrological, metrological and agricultural drought where existed in the year (1984-2012) within the study area.
RDI, Drought, SDI, SPI, NDVI
To cite this article
Walelgn Dilnesa, Investigation of Drought Along the Blue Nile River Basin in East Gojjam Zone, Nanoscience and Nanometrology. Vol. 5, No. 2, 2019, pp. 6-14. doi: 10.11648/j.nsnm.20190502.11
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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