Analysis of the Determinants of Floods in Numan Town, Nigeria
Analysis of the Determinants of Floods in Numan Town, Nigeria作者机构:Department of Urban and Regional Planning Modibbo Adama University of Technology Yola 2076 Nigeria
出 版 物:《Journal of Environmental Science and Engineering(B)》 (环境科学与工程(B))
年 卷 期:2014年第3卷第5期
页 面:264-273页
学科分类:083002[工学-环境工程] 0830[工学-环境科学与工程(可授工学、理学、农学学位)] 081802[工学-地球探测与信息技术] 08[工学] 081501[工学-水文学及水资源] 0818[工学-地质资源与地质工程] 0815[工学-水利工程] 081602[工学-摄影测量与遥感] 0816[工学-测绘科学与技术]
主 题:Floods determinants dams development control.
摘 要:This study aimed at investigating the causes of floods in Numan Town with particular reference to the 2012 floods. Three residential areas: Gangare, Gwadda Mallam and Green Village were selected for the study. Hydrological, SRTM (shuttle radar topography mission) digital elevation model, secondary and primary data were utilized. A total of 180 questionnaires were administered to the residents in equal proportion using systematic random sampling. ArcGIS 10.0 and Excel were used for the analysis. The study revealed that the major causes of flood in the area include discharge of water from the Lagdo dam in Cameroon and Kiri dam in Adamawa State. Others include heavy rainfall, topography, and lack of adherence to development control provisions which resulted in construction of residential areas on flood plains. Many of the residents do not have legal title to their plots and this constitutes a very serious constraint to provision of drainages and solid waste disposal services. To ameliorate the devastating effects of floods, the study recommends relocation of residents of flood prone areas, provision of solid waste management services, and construction of more drainages. In addition, the town planning authorities and community leaders should collaborate to ensure that houses are built in flood plains.