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    EL ANEGAMIENTO A TRAVÉS DE LA PRENSA: EL CASO DE LA CIUDAD DE CORRIENTES by Elsie Araceli Ojeda

    Published 2019-12-01
    Subjects: “…urban expansion, rain, floods, newspapers…”
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    Floods of 18 and 19 November 2016 in Batouri (East Cameroon): Interpretation of the Hydro-Meteorological Parameters and Historical Context of the Post-Event Survey Episode by Paulin Sainclair Kouassy Kalédjé, Jules-Rémy Ndam Ngoupayou, Alain Fouépé Takounjou, Mireille Zebsa, Felaniaina Rakotondrabe, Joseph Mvondo Ondoa

    Published 2019-01-01
    “…Occurring on a relatively saturated soil, these rains caused strong floods of Kadey and Doumé. The floods were particularly damaging in the city of Batouri, where a subdivision was submerged by the Boumbé (tributary of the Sangha) with water heights in the houses reaching 1.75 m, despite the presence of a dam allowing clipping floods upstream of the basin. …”
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    Drought and flood risk mapping using a GIS-based multi-criteria decision method: A case of the Olifants Basin, South Africa by Luxon Nhamo, James Magidi, Sylvester Mpandeli, Onisimo Mutanga, Stanley Liphadzi, Tafadzwanashe Mabhaudhi

    Published 2025-01-01
    “…Droughts and floods are climate extremes of the same hydrological cycle that need to be studied concurrently. …”
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    Modelling of Chain Process of Debris Flow Blocking River and Induced Flood Disaster in Meizoseismal Area ——A Case of Xiazhuang Gully in Wenchuan County by LUO Yuting, WANG Lijuan, MA Song, TANG Yao

    Published 2023-01-01
    “…After the Wenchuan earthquake,there has been a sharp increase in the frequency of debris flow activity,which is featured by low rainfall threshold,frequent occurrence,wide impact and strong destruction.The hazards mainly include siltation,impact,river blocking and inundation.Among them,the mudslide blocking river shows particularly prominent disaster effect,seriously threatening the improvement of mountain infrastructure,and residents' life and property safety.The research of the dynamic process of river blocking disaster chain of debris flow can provide scientific reference for debris flow hazard prevention and early warning.Based on field surveys,physical tests,remote sensing images and rainfall data for a typical watershed,a numerical simulation was conducted to study the dynamic process of the river blocking disaster chain of debris flow in Xiazhuang Gully.The simulation results show that the debris flow reaches the outlet of the basin at t=120 step;and at t=130 step the debris flow pushes forward and blocks part of the main river;at t=140 and 150 step the debris flow completely blocks the main river,forming a debris-dam with a length,width and thickness of 236.0 m,74.0 m,6.2 m and 312.0 m,79.0 m,and 7.1 m,respectively,which causes the upstream water level to rise,with an inundation depth of the upstream residential area of 3-5 m.By comparing the simulation results with the field measured data,the accuracy of the simulation reaches up to 84.9%,which indicates that the model is of good applicability to simulating the disaster chain process of landslide-debris flow-flood.…”
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