Effects of seasonal changes in vegetation cover on the hydrological responses of the Chemora Wadi catchment to extreme rainfall-Reference-Cited by-同舟云学术

Effects of seasonal changes in vegetation cover on the hydrological responses of the Chemora Wadi catchment to extreme rainfall

Published:2024 Issue:1 Volume:104 Page:73-94
ISSN:0350-3593
Container-title:Glasnik Srpskog geografskog drustva
language:en
Short-container-title:Glas Srp geogr drus

Author:

Berghout Ali¹^ORCID,Meddi Mohamed²^ORCID

Affiliation:

1. Laboratory of Water, Environment and Renewable Energies, Faculty of Technology, University of M’sila, Ichebilia, M’sila, Algeria

2. Higher National School of Hydraulics - BLIDA, Algeria

Abstract

The choice of the reference flood for the dimensioning of hydraulic structures is rather delicate, in particular in the not gauged basins. In these basins, the estimation of the project flood requires the use of predetermined methods based on the maximum daily precipitation. In this context, this work consists of evaluating the impact of seasonal changes in vegetation cover on the hydrological responses of the watershed to extreme precipitation events in terms of peaks and water volumes using the HEC-HMS model. The study was based on rainfall and discharge data recorded at rainfall and hydrometric stations in the Wadi Chemora basin (Algeria), in addition to remote sensing data on a monthly scale. The results show that the estimation of the projected flood using methods based only on maxi-mum daily rainfall in semi-arid areas is insufficient, which shows the interest of consider-ing the effects of these changes.

Publisher

National Library of Serbia

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