Evaluation of Manning'sn roughness coefficient in arid environments by using SAR backscatter

Y Sadeh, H Cohen, S Maman, DG Blumberg - Remote Sensing, 2018 - mdpi.com
… vegetation map and relative surface roughness from SAR imagery. Unlike previous studies,
… method using high-resolution spaceborne SAR to evaluate Manning’s n in arid landscapes. …

Use of Radarsat-2 and Landsat TM images for spatial parameterization of Manning's roughness coefficient in hydraulic modeling

J Mtamba, R Van der Velde, P Ndomba, V Zoltán… - Remote Sensing, 2015 - mdpi.com
… Aperture Radar (SAR) backscatter temporal variability; (iv) … performed using the FLO-2D
hydrodynamic model to evaluate … channel roughness n c and spatial Manning’s coefficients as …

A power-law relation of surface roughness and ages of alluvial fans in a hyperarid environment: a case study in the Dead Sea area

Q Su, J Ren, X Wang, O Liang - … : Earth and Environment, 2023 - journals.sagepub.com
… from the SAR data, we rescaled the backscatter intensity by the … where R n is the NBI value,
σ n is the mean backscatter … controls the surface roughness in this extremely arid region. The …

Acclimatize Experimental Approach to Adjudicate Hydraulic Coefficients under Different Bed Material Configurations and Slopes with and Without Weir

AB Amsie, AT Ayalew, ZM Mada, MM Finsa - Heliyon, 2024 - cell.com
… of this study was to evaluate the hydraulic coefficient of coarse … Manning's roughness
coefficients and discharge coefficients. … The Manning roughness coefficient (n) is a key parameter …

[HTML][HTML] Exploring Sentinel-1 backscatter time series over the Atacama Desert (Chile) for seasonal dynamics of surface soil moisture

T Ullmann, T Jagdhuber, D Hoffmeister, SM May… - … Sensing of Environment, 2023 - Elsevier
… -Band SAR backscatter and SM in the hyper-arid environment … and the findings of the initial
assessment on the sine function … of changing attention and roughness on the SAR intensities, …

ALOS-2 and Sentinel-1 SAR data sensitivity analysis to surface soil moisture over bare and vegetated agricultural fields

A Sekertekin, AM Marangoz, S Abdikan - Computers and Electronics in …, 2020 - Elsevier
… the behavior of the world and to evaluate the changes on Earth. … In order to use the SAR
backscattering coefficients in the … of different surface roughness types on radar backscatter and …

Estimation of level and deformed first-year sea ice surface roughness in the Canadian Arctic Archipelago from C-and L-band synthetic aperture radar

SM Cafarella, R Scharien, T Geldsetzer… - Canadian Journal of …, 2019 - Taylor & Francis
… lands, flood plains, and arid environments (Martinez-Agirre et … were used as detailed visual
reference for assessment of the … utility of SAR backscatter for estimating surface roughness is …

Multiband (X, C, L) radar amplitude analysis for a mixed sand-and gravel-bed river in the eastern Central Andes

B Purinton, B Bookhagen - Remote Sensing of Environment, 2020 - Elsevier
… Our results demonstrate a novel use of SAR backscatter amplitude … Here, Manning's n (the
hydrological roughness of a surface) … As noted in the Methods, the assessment of sand-gravel …

Flash flood hazard using optical, radar, and stereo-pair derived dem: Eastern desert, Egypt

J Mashaly, E Ghoneim - Remote Sensing, 2018 - mdpi.com
… Radar backscatter coefficient values extracted from radar data … then used to clip the channel
network from the SAR mosaic (… quseir area and risk evaluation. In Proceedings of the Fourth …

Sensitivity of X-, C-, and L-band SAR backscatter to burn severity in Mediterranean pine forests

MA Tanase, M Santoro, J de La Riva… - … on Geoscience and …, 2010 - ieeexplore.ieee.org
… and roughness. … evaluation and estimation from SAR backscatter for typical Mediterranean
forests. The specific objectives of this study were as follows: 1) evaluate the backscatter