Results 61 to 70 of about 183,180 (296)

Integration of HEC-RAS and HEC-HMS with GIS in Flood Modeling and Flood Hazard Mapping

Sustainability
Floods are among the most devastating disasters in terms of socio-economics and casualties. However, these natural disasters can be managed and their effects can be minimized by flood modeling performed before the occurrence of a flood.
İsmail Bilal Peker, S. Gülbaz, Vahdettin Demir, Osman Orhan, Neslihan Beden   +4 more
semanticscholar   +1 more source

The 21st August 2020 Flood in Douala (Cameroon): A Major Urban Flood Investigated with 2D HEC-RAS Modeling

Water, 2022
A major flood event occurred on 21 August 2020 in the densely populated Makèpè Missokè neighborhood in the city of Douala (Cameroon, Africa). Nearly 2210 buildings and 12,376 victims spread over 82 hectares were affected. A 2D HEC-RAS model is applied to
J. Iroume, Raphael Onguéné, Francis Djanna Koffi, Antoine Colmet-Daage, T. Stieglitz, Willy Essoh Sone, Sakaros Bogning, J. M. Olinga Olinga, R. Ntchantcho, J. Ntonga, J. Braun, Jean-Pierre Briquet, J. Etamé   +12 more
semanticscholar   +1 more source

A complete methodology to assess hydraulic risk in small ungauged catchments based on HEC-RAS 2D Rain-On-Grid simulations

Natural Hazards
This paper explores the use of the rain-on-grid (or direct rainfall) method for flood risk assessment at a basin scale. The method is particularly useful for rural catchments with small vertical variations and complex interactions with man-made obstacles
Wafae Ennouini, A. Fenocchi, G. Petaccia, E. Persi, S. Sibilla   +4 more
semanticscholar   +1 more source

Influencia del fenómeno de La Niña en la vulnerabilidad a inundaciones de las quebradas Santa librada y Curí, ubicadas en el sector de los barrios Arizona, Santa Librada Norte y La Fortaleza de la Localidad de Usme [PDF]

, 2018
Trabajo de InvestigaciónLas inundaciones son unas de las catástrofes más comunes en Colombia, debido a las condiciones geográficas y topográficas del país. Con la intención de mitigar daños, y facilitar la toma de decisiones por parte de las autoridades
Gómez-Chávez, Paula Alejandra, Romero-Capera, James Nicolás   +1 more
core   +1 more source

Perbandingan Hasil Pemodelan Aliran Satu Dimensi Unsteady Flow dan Steady Flow pada Banjir Kota

Media Komunikasi Teknik Sipil, 2016
One dimensional flow is often used as a flood simulation for the planning capacity of the river. Flood is a type of unsteady non-uniform flow, that can be simulated using HEC-RAS.
Andreas Tigor Oktaga, Suripin Suripin, Suseno Darsono   +2 more
doaj   +1 more source

Determination of Flood Inuandation Areas in the City of Bingöl (Turkey) Using Geographic Information Systems and HEC-RAS

Doğal Afetler ve Çevre Dergisi, 2020
Flood is among the most common natural disasters in Turkey. For this reason, it is very important to determine the flood spreading areas in advance, to reduce the flood risk and to ensure the safety of life and property accordingly.
Murat Celiker, NILÜFER KOÇER, OSMAN YILDIZ   +2 more
doaj   +1 more source

Review paper on applications of the HEC-RAS model for flooding, agriculture, and water quality simulation

Water Practice & Technology
The Hydrologic Engineering Center (HEC) of the United States Army Corps of Engineers (USACE) has developed the HEC-River Analysis System (RAS) hydraulic channel flow model as part of its portfolio of hydrologic and hydraulic modeling tools.
Norsaliha Najwa Zainal, S. H. Abu Talib, M. S. Abustan, M. A. Rashid   +3 more
semanticscholar   +1 more source

The assessment for selection and correction of RS‐based DEMs and 1D and 2D HEC‐RAS models for flood mapping in different river types

Journal of Flood Risk Management, 2022
Digital Elevation Models (DEMs) act as an essential input to hydraulic models for the simulation of flood hazard maps. Coarser resolution DEMs are subject to higher levels of uncertainty, particularly in capturing river‐bed bathymetry.
Amir Mohammad Arash, M. Yasi
semanticscholar   +1 more source

Sentinel‐1 remote sensing data and Hydrologic Engineering Centres River Analysis System two‐dimensional integration for flash flood detection and modelling in New Cairo City, Egypt

Journal of Flood Risk Management, 2021
Digital surface models, land use and rainfall data were used to simulate water areas using Hydrologic Engineering Centres River Analysis System (HEC‐RAS) software.
Ismail Elkhrachy, Quoc Bao Pham, Romulus Costache, Meriame Mohajane, Khalil Ur Rahman, Himan Shahabi, Nguyen Thi Thuy Linh, Duong Tran Anh   +7 more
doaj   +1 more source

Comparasion of unidimensional and bidimensional flow models for earthen dam failures [PDF]

, 2012
El desarrollo de ordenadores cada vez más potentes y las recientes investigaciones en el campo de la hidroinformática hace posible la modelización del flujo en lámina libre en dos dimensiones producido por una rotura de una presa de materiales sueltos ...
Bladé i Castellet, Ernest, Soler Guitart, Joan, Sánchez Juny, Martí   +2 more
core   +2 more sources