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Analysis of Flood Incidence in the River Dilimi Catchment Area of Plateau State

Author

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  • Shiphrah Retu Afsa

    (National Center for Remote Sensing Jos, Plateau, Nigeria)

  • Isaac Shola Laka

    (Department of Geography University of Jos, Plateau, Nigeria)

  • Gerald Tsemwan Maigida

    (Department of Geography University of Jos, Plateau, Nigeria)

  • Gad Dauda Sumdhin

    (Century mining Company Riruwai, Doguwa Kano, Nigeria)

Abstract

The study cataloged flood incidences and analyze rainfall characteristics in the Dilimi Catchment. Climate Hazards Infrared Precipitation with Stations (CHIRPS) rainfall data set for the catchment for a 35years (1985-2019) period was collected and analyzed while vigorous literature search was carried out to assemble dates of flood incidences in the catchment. The average yearly amount of rainfall for the period is 1256.18mm with a minimum of 1110.69 mm and a maximum amount of 1379.15mm. Rainfall data from Result revealed that Alternate hypothesis is accepted as the result is significant at 0.01 levels for a two-tailed test. This shows a positive correlation between flood year and anomaly years but weak. It suggests that rainfall is increasing over time in the study area. This goes to prove that rainfall is not the only driver of floods in the catchment. Overflowing of rivers, blocked/poor drainage contributes to flood occurrence in the Dilimi river catchment. Recommendations given include continual monitoring and study of rainfall characteristics and other climatic data such information will be helpful for planning purposes, construction of integrated drainages system and legislation against dumping of refuse on roads and drainages

Suggested Citation

  • Shiphrah Retu Afsa & Isaac Shola Laka & Gerald Tsemwan Maigida & Gad Dauda Sumdhin, 2024. "Analysis of Flood Incidence in the River Dilimi Catchment Area of Plateau State," International Journal of Research and Scientific Innovation, International Journal of Research and Scientific Innovation (IJRSI), vol. 9(5), pages 360-378, May.
    • Handle: RePEc:bjc:journl:v:9:y:2024:i:5:p:360-378
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