Special Issue "Close-Range Remote Sensing and Modern Field Measurements in Fluvial Geomorphology"
Deadline for manuscript submissions: closed (31 March 2020).
Interests: river dynamics; close-range remote sensing in fluvial studies; fluvial processes in boreal and subarctic regions; flood risk studies; computational fluid dynamics; paleoflood studies
Current progress in close-range remote sensing, field measurement techniques, data connections, and processing has enabled new research approaches in fluvial geomorphology. Laser scanning including terrestrial, airborne, UAV-LS, and mobile laser scanning has been used in the detection of small-scale fluvial forms on point bars and flood plains. Sonar techniques and optical imagery have been used for bathymetric mapping and the detection of submerged fluvial forms on a river bed. Lately, structure from motion (SfM) has also been used for a river survey. However, the level of detection has been much coarser on submerged river sections compared to the mapping of forms above the water surface. Moreover, challenges in multisensor data processing are yet to be solved—e.g., merging and georeferring of sonar-based bathymetric data and high-resolution remote sensing data of topography might cause a strong impact on the level of detection. A multi-angular mapping approach is also needed to diminish the shadow effect in data created through steep and changing topography and vegetation of riverine environments. Further, high frequent flow measurements have been undertaken by new ADCP sensors and remotely-controlled platforms. These set-ups enable three-dimensional studies of the flow structures with higher level of detail compared to the classic cross-sectional sampling strategy.
These abovementioned mapping and measurement methods are still rather young, and hence, more testing and demonstration is needed before these methods are standardized in fluvial geomorphology. Therefore, this Special Issue welcomes fluvial geomorphology studies dealing with state-of-the-art close-range remote sensing and/or field measurement approaches. It provides a publication medium for research and review papers. Topics of interests include but are not limited to:
- Laser scanning/SfM for fluvial form mapping;
- River dynamics surveyed with close-range remote sensing;
- Merging flow measurements and bathymetric mapping;
- Topographic/bathymetric data collection and processing in river studies;
- Reach scale change detections with multisensor RS data;
- 3D flow characteristics with ADCP measurements;
- Winter-time field measurements.
Prof. Petteri Alho
Manuscript Submission Information
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- river dynamics
- close-range remote sensing
- mapping of fluvial forms
- laser scanning
- bathymetric mapping