The Potential of Retention Structures in Combating Urban Erosion in the Tropics

We are pleased to announce that an article on the potential of retention structures for controlling urban gully erosion in tropical cities of the Global South has been published in the International Soil and Water Conservation Research journal. One of the co-authors of this publication is Prof. Dr. Jean Poesen from the Department of Geology, Soil Science, and Geoinformation UMCS.

Lutete Landu E., Ilombe Mawe G., Makanzu Imwangana F., Bielders C., Dewitte O., Poesen J., Hubert A., Vanmaercke M., 2024. The potential of runoff retention structures as a strategy to control urban gullying in tropical cities. Int. Soil Water Conserv. Res. https://doi.org/10.1016/j.iswcr.2024.11.002

The publication focuses on urban gully erosion, a significant issue in tropical cities, particularly in Kinshasa (D.R. Congo). The authors conducted field research and modeling (SWMM) in two small catchments affected by gully erosion. Although most parcels have water retention structures, their impact on runoff reduction is limited due to small sizes, poor maintenance, and uneven distribution. The study suggests that coordinated implementation of retention structures proportional to parcel size could be more effective in controlling urban gully erosion.

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    Date of addition
    18 November 2024