Impact of Urbanization on the Hydrological Cycle of Migina Catchment, Rwanda - Open Access Library Journal

OALibJ > Vol.3 No.7, July 2016

Open Access Library Journal

Volume 3, Issue 7 (July 2016)

ISSN Print: 2333-9705 ISSN Online: 2333-9721

Google-based Impact Factor: 0.73 Citations

Impact of Urbanization on the Hydrological Cycle of Migina Catchment, Rwanda ()

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DOI: 10.4236/oalib.1102830 1,952 Downloads 7,719 Views Citations

Author(s)

Olivier Clement Gatwaza^1*, Xin Cao¹, Mukete Beckline²

Affiliation(s)

¹School of Landscape Architecture, Beijing Forestry University, Beijing, China.
²Department of Forest Management, Beijing Forestry University, Beijing, China.

ABSTRACT

In this study, we carry out an assessment of the impact of urbanization on Butare, southern Rwanda and evaluate its effect on the hydrological process at the Migina catchment. We used data from the meteorological stations of the Migina catchment, land-use maps of the region (obtained in 1974 and 2010) and GIS technology in order to analyse hydrological fluctuations in Migina catchment and the expansion of Butare town. We observed that, between the two hydrological years (1974 and 2010) water runoff increased by over 3.5% with increasing flood risks. Furthermore, evapotranspiration and groundwater level have decreased by about 3% and 0.5% leading to water scarcity. Research on urban planning is necessary in order to improve on water resources management and reduce the effects of urbanization on water resources such as in the Migina catchment.

KEYWORDS

Water Resources, Urban Planning, Urbanization, Hydrological Cycle, Land Cover, Migina Catchment Rwanda

Share and Cite:

Gatwaza, O. , Cao, X. and Beckline, M. (2016) Impact of Urbanization on the Hydrological Cycle of Migina Catchment, Rwanda. Open Access Library Journal, 3, 1-12. doi: 10.4236/oalib.1102830.

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