2003
DOI: 10.1080/01431160110113070
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Remote survey of large-scale braided, gravel-bed rivers using digital photogrammetry and image analysis

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Cited by 173 publications
(222 citation statements)
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“…At the sub-reach scale, geomorphic units, large wood, water depth and bed sediment sizes have been measured from high-resolution RS data (Westaway et al 2003;Legleiter 2012Legleiter , 2014. For example, image texture has been used successfully to estimate bed sediment size as areas with larger sediment have more shadows, which suggest a more heterogeneous texture (Carbonneau et al 2004(Carbonneau et al , 2005Buscombe et al 2010).…”
Section: Woody Debris (Smikrud and Prakash 2006)mentioning
confidence: 99%
See 1 more Smart Citation
“…At the sub-reach scale, geomorphic units, large wood, water depth and bed sediment sizes have been measured from high-resolution RS data (Westaway et al 2003;Legleiter 2012Legleiter , 2014. For example, image texture has been used successfully to estimate bed sediment size as areas with larger sediment have more shadows, which suggest a more heterogeneous texture (Carbonneau et al 2004(Carbonneau et al , 2005Buscombe et al 2010).…”
Section: Woody Debris (Smikrud and Prakash 2006)mentioning
confidence: 99%
“…Lateral migration, planform changes, Bed incision/aggradation Lateral migration, channel pattern changes, bed incision/aggradation (Fuller et al 2003;Westaway et al 2003;Notebaert et al 2009;Wheaton et al 2013;Pirot et al 2014;Lallias-Tacon et al 2014) LiDAR and DEM (various resolutions and sources)…”
Section: Channel Dimensions and Featuresmentioning
confidence: 99%
“…Another advantage compared to both sonar-based and terrestrial mapping lies in the fact that no contact with the water body and the alluvial environment is necessary which is especially beneficial for capturing ecologically sensitive areas (Irish and Lillycrop, 1999) and dangerous river sections (cliffs, currents, etc.). The same argument applies for shallow water capturing techniques based on passive imagery (Marcus and Fonstad, 2008) either by exploiting spectrally based information (Legleiter, 2012) or via two-media-photogrammetry (Westaway et al, 2003), but image * Corresponding author based methods often fail in case of (overhanging) riparian vegetation whereas ALB can potentially penetrate the vegetation through small openings in the leaf structure (Mandlburger et al, 2015a).…”
Section: Introductionmentioning
confidence: 99%
“…One of the main challenges for the empirical surveys has been how to achieve sufficient temporal resolution to study rapidly evolving fluvial processes and forms in the required level of detail [16,18]. In addition, the bathymetric surveys suffer from lower spatial resolution and accuracy compared to the topographical surveys [19,20]. This is why, in the wake of new technological developments during the 21st century, an increasing number of studies aiming of deepening the understanding of meander dynamics and challenging the fundamental theories of meandering rivers have been published.…”
Section: Introductionmentioning
confidence: 99%