Calibration of channel roughness in intermittent rivers using HEC-RAS model: Case of Sarimsakli creek, Turkey

M Ardıçlıoğlu, A Kuriqi - SN applied Sciences, 2019 - Springer
Natural channel's roughness determination constitutes one the most challenging procedure
towards the development of hydraulic models for flood prediction and flood hazard mapping …

[HTML][HTML] Calibration of HEC-RAS model on prediction of flood for lower Tapi River, India

T Prafulkumar V, P Prem Lal, P Prakash D - Journal of Water Resource …, 2011 - scirp.org
Channel roughness is a sensitive parameter in development of hydraulic model for flood
forecasting and flood inundation mapping. The requirement of multiple channel roughness …

One dimensional hydrodynamic modeling of river flow using DEM extracted river cross-sections

N Pramanik, RK Panda, D Sen - Water Resources Management, 2010 - Springer
River cross-sections are the prime input to any river hydraulic model for simulation of water
level and discharge. Field measurements of river cross-sections are labour intensive and …

Identification of Manning's roughness coefficients in shallow water flows

Y Ding, Y Jia, SSY Wang - Journal of Hydraulic Engineering, 2004 - ascelibrary.org
A numerical method based on optimal control theories for identifying Manning's roughness
coefficients (Manning'sn) in modeling of shallow water flows is presented. The coefficients …

Glacier recession and glacial lake outburst flood studies in Zanskar basin, western Himalaya

RA Mir, SK Jain, AK Lohani, AK Saraf - Journal of Hydrology, 2018 - Elsevier
Glacier recession and formation of glacial lakes along with outburst flood hazards are
increasing in response to changing climate in the Himalayan region. This study describes …

[PDF][PDF] Calibration of channel roughness for Mahanadi River,(India) using HEC-RAS model

PK Parhi, RN Sankhua, GP Roy - Journal of Water Resource and …, 2012 - academia.edu
Channel roughness is the most sensitive parameter in development of hydraulic model for
flood forecasting and flood plane mapping. Hence, in the present study it is attempted to …

Risk-based methodology for scour analysis at bridge foundations

AM Bento, A Gomes, T Viseu, L Couto, JP Pêgo - Engineering structures, 2020 - Elsevier
The collapse of bridges inevitably leads to economical losses and may also be responsible
for human fatalities. A bridge may fail due to several reasons, with local scouring around its …

A simple innovative method for calibration of Manning's roughness coefficient in rivers using a similarity concept

M Attari, SM Hosseini - Journal of Hydrology, 2019 - Elsevier
Geometric characteristics and Manning's roughness coefficient (n) are needed in steady and
unsteady flow analysis in open channels and rivers. Various methods are used to estimate n …

Identification of Manning's Coefficient Using HEC‐RAS Model: Upstream Al‐Amarah Barrage

SA Abbas, AH Al-Aboodi, HT Ibrahim - Journal of Engineering, 2020 - Wiley Online Library
In understanding the hydraulic characteristics of river system flow, the hydraulic simulation
models are essential tools. This study submits the results of the proposition of a hydraulic …

Identification of Manning's roughness coefficients in channel network using adjoint analysis

Y Ding, SSY Wang - International Journal of Computational Fluid …, 2005 - Taylor & Francis
In this paper, a numerical method based on optimal control theories and adjoint analysis for
identifying Manning's roughness coefficients in the full nonlinear de Saint Venant equations …