Results 31 to 40 of about 196,916 (228)

Flood Inundation Mapping Using the Google Earth Engine and HEC-RAS Under Land Use/Land Cover and Climate Changes in the Gumara Watershed, Upper Blue Nile Basin, Ethiopia

Remote Sensing
Floods are among the most frequent and devastating climate-related hazards, causing significant environmental and socioeconomic impacts. This study integrates synthetic aperture radar (SAR)-based flood mapping via the Google Earth Engine (GEE) with ...
Haile Belay, A. Melesse, G. Tegegne, Shimelash Molla Kassaye   +3 more
semanticscholar   +1 more source

Coupling HEC-RAS and AI for River Morphodynamics Assessment Under Changing Flow Regimes: Enhancing Disaster Preparedness for the Ottawa River

Hydrology
Despite significant advancements in flood forecasting using machine learning (ML) algorithms, recent events have revealed hydrological behaviors deviating from historical model development trends. The record-breaking 2019 flood in the Ottawa River basin,
M. Qureshi, Afshin Amiri, Isa Ebtehaj, Silvio José Guimere, J. Cunderlik, Hossein Bonakdari   +5 more
semanticscholar   +1 more source

Flood risk vulnerability assessment using GIS and hydraulic modeling, case study of the Fez river watershed, Morocco [PDF]

E3S Web of Conferences
Morocco, like other countries in the world, is threatened by floods. These have become frequent in previous years and the current year (2024). Weather-related floods in the Fez river watershed constitute the natural hazard that threatens property.
Essahlaoui Narjisse, El Ouali Abdelhadi, Rhazi Abdelaziz, Alitane Abdennabi, Ijlil Safae, Mohajane Meriame, Ammari Zakaria, Oumou Abdellah, Khrabcha Abdelali, El Hafyani Mohamed, Essahlaoui Ali, Aouragh My Hachem, Van Rompaey Anton   +12 more
doaj   +1 more source

Flooding and drying simulation on floodplains using a 2D HEC-RAS model: a Sinos river case study

RBRH, 2022
The HEC-RAS software reaches its 6.0.0 version in May of 2021, introducing new computational tools to its users. Among these new tools, HEC-RAS is capable of simulating spatially varied rain and evaporation data by grid, constant values or table format ...
André Luís Tonin, Rodrigo Cauduro Dias de Paiva   +1 more
doaj   +1 more source

Flood Risk Prediction and Management by Integrating GIS and HEC-RAS 2D Hydraulic Modelling: A Case Study of Ungheni, Iasi County, Romania

Water
Floods are among the most frequent and destructive natural hazards worldwide, with increasingly severe socioeconomic consequences due to rapid urbanization, land use changes, and climate variability.
L. Crenganiș, C. Pricop, Maximilian Diac, Ana-Maria Olteanu-Raimond, A. Loghin   +4 more
semanticscholar   +1 more source

Comparing HEC-HMS and HEC-RAS for Continuous, Rain-on-Grid, Urban Watershed Modeling

Hydrology
The application of two-dimensional (2D) hydrologic and hydraulic modeling tools is increasing for overland flow simulation, as they represent spatial changes in depth, velocity, and flow conditions more accurately.
Ashmita Poudel, Jose G. Vasconcelos
doaj   +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

Flood mapping using hydraulic modeling and Sentinel-1 image: Case study of Medjerda Basin, northern Tunisia

Egyptian Journal of Remote Sensing and Space Sciences, 2020
In northwestern Tunisia, floods are the most widespread natural hazard. Indeed, this problem is posed seriously in the Medjerda basin. In fact, the plain of Jendouba - Bou Salem is the most affected area by this plague. It has the form of a shallows that
Ahmed Ezzine, Salwa Saidi, Taoufik Hermassi, Ichrak Kammessi, Fadila Darragi, Hamadi Rajhi   +5 more
doaj   +1 more source

Comparing SWMM and HEC-RAS Hydrological Modeling Performance in Semi-Urbanized Watershed

Water
One of the most common applications of hydrological models is in studying urban watersheds, with distributed and semi-distributed models being used more frequently.
Michael A. Bragg, Ashmita Poudel, José G. Vasconcelos   +2 more
semanticscholar   +1 more source

HEC-RAS 2D modeling for flood inundation mapping: a case study of the Krishna River Basin

Water practice and technology, 2023
Floods are catastrophic natural disasters that cause a substantial toll on human lives, infrastructure, and the economy. Structural and non-structural measures are developed for planning flood mitigation strategies. Flood inundation mapping is valuable
Komal Vashist, K. K. Singh
semanticscholar   +1 more source