Articles | Volume 7, issue 3
https://doi.org/10.5194/esurf-7-859-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-7-859-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
17 Sep 2019
Research article |
| 17 Sep 2019
| 17 Sep 2019
Introducing PebbleCounts: a grain-sizing tool for photo surveys of dynamic gravel-bed rivers
Benjamin Purinton
CORRESPONDING AUTHOR
Institute of Geosciences, University of Potsdam, Potsdam, Germany
Bodo Bookhagen
Institute of Geosciences, University of Potsdam, Potsdam, Germany
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- The influence of grain size sorting on the roughness parametrization of gravel riverbeds A. do Prado et al. 10.1016/j.geomorph.2024.109565
- Scale dependent spatial structuring of mountain river large bed elements maximizes flow resistance J. Wiener & G. Pasternack 10.1016/j.geomorph.2022.108431
- Robust estimations of areal grain size distribution from geometric surface roughness in a proglacial outwash area C. Hiller et al. 10.1016/j.geomorph.2023.108857
- Automated detecting, segmenting and measuring of grains in images of fluvial sediments: The potential for large and precise data from specialist deep learning models and transfer learning D. Mair et al. 10.1002/esp.5755
- Spatial Distribution Characteristics of Rock Avalanche Fragments From Numerical Analysis and UAV Image Recognition W. Chang et al. 10.1007/s00603-025-04510-y
- A Deep Learning-Based Method for Quantifying and Mapping the Grain Size on Pebble Beaches A. Soloy et al. 10.3390/rs12213659
- Comparison of three grain size measuring methods applied to coarse-grained gravel deposits P. Garefalakis et al. 10.1016/j.sedgeo.2023.106340
- Fine sediment dynamics over a gravel bar. Part 1: Validation of a new image-based segmentation method J. Deng et al. 10.1016/j.catena.2023.106978
- Grain size from source to sink – modern and ancient fining rates T. Reynolds 10.1016/j.earscirev.2024.104699
- Tracking Downstream Variability in Large Grain‐Size Distributions in the South‐Central Andes B. Purinton & B. Bookhagen 10.1029/2021JF006260
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- Bed material facies mapping at braided river scale and evidence for trends in fine sediment J. Rogers et al. 10.1002/esp.70012
- The gravel-sand transition and grain size gap in river bed sediments E. Dingle et al. 10.1016/j.earscirev.2021.103838
- Constructing vertical measurement logs using UAV-based photogrammetry: Applications for multiscale high-resolution analysis of coarse-grained volcaniclastic stratigraphy Z. Smith & D. Maxwell 10.1016/j.jvolgeores.2020.107122
- Remotely sensed rivers in the Anthropocene: state of the art and prospects H. Piégay et al. 10.1002/esp.4787
- Grain size of fluvial gravel bars from close-range UAV imagery – uncertainty in segmentation-based data D. Mair et al. 10.5194/esurf-10-953-2022
- Spatial distribution and transport characteristics of debris flow sediment using high resolution UAV images in the Ohya debris flow fan S. Yousefi et al. 10.1016/j.geomorph.2024.109533
- Verification of the Manning’s Roughness Coefficient of Fish Pass Riverbeds Using Drone-Based Photogrammetry L. Čubanová et al. 10.3390/w17101409
- Automatic Segmentation of Individual Grains From a Terrestrial Laser Scanning Point Cloud of a Mountain River Bed A. Walicka & N. Pfeifer 10.1109/JSTARS.2022.3141892
- Prediction of Beach Sand Particle Size Based on Artificial Intelligence Technology Using Low-Altitude Drone Images H. Yoo et al. 10.3390/jmse12010172
- Gravel automatic sieving method fusing macroscopic and microscopic characteristics S. Gao et al. 10.1016/j.ijsrc.2024.05.002
- Automated grain sizing from uncrewed aerial vehicles imagery of a gravel‐bed river: Benchmarking of three object‐based methods R. Miazza et al. 10.1002/esp.5782
- Comparison of software accuracy to estimate the bed grain size distribution from digital images: A test performed along the Rhine River V. Chardon et al. 10.1002/rra.3910
- Automated mapping of the mean particle diameter characteristics from UAV-imagery using the CNN-based GRAINet model T. Lendzioch et al. 10.2166/hydro.2023.079
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- Revisiting the automated grain sizing technique (AGS) for characterizing grain size distribution M. Sulaiman et al. 10.1080/15715124.2021.1917585
- GRAINet: mapping grain size distributions in river beds from UAV images with convolutional neural networks N. Lang et al. 10.5194/hess-25-2567-2021
- Mapping riverbed sediment size from Sentinel‐2 satellite data G. Marchetti et al. 10.1002/esp.5394
- Manifestations of the long-term transformation of the lower Elbe channel in Czechia and opportunities for its restoration J. Hradecký et al. 10.37040/geografie.2024.012
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Latest update: 18 May 2025
Short summary
We develop and test new methods for counting pebble-size distributions in photos of gravel-bed rivers. Our open-source algorithms provide good estimates in complex imagery from high-energy mountain rivers. We discuss methods of river cross-section photo collection and processing into seamless georeferenced imagery. Application of a semi-automated version of the algorithm in small patches can be used as validation data for upscaling to entire survey sites using a fully automated version.
We develop and test new methods for counting pebble-size distributions in photos of gravel-bed...
