Studying the influence of livestock pressure on gully erosion in rangelands of SW Spain by means of the UAV+SfM workflow
Gully erosion in agrosilvopastoral systems of SW Spain represents a common degradation process, but has been hardly analysed. The suitability of using the Unmanned Aerial Vehicles (UAV) and Structure from Motion photogrammetry (SfM) workflow to map small valley-bottom gullies in these landscapes wa...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Asociación Española de Geografía
2018-09-01
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| Series: | Boletín de la Asociación de Geógrafos Españoles |
| Online Access: | https://bage.age-geografia.es/ojs/index.php/bage/article/view/2712 |
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| Summary: | Gully erosion in agrosilvopastoral systems of SW Spain represents a common degradation process, but has been hardly analysed. The suitability of using the Unmanned Aerial Vehicles (UAV) and Structure from Motion photogrammetry (SfM) workflow to map small valley-bottom gullies in these landscapes was tested. The results showed centimetre-level accuracy. Observed strengths and limitations of the UAV+SfM workflow in the study areas are discussed. The resulting cartography allowed mapping soil erosion forms at outstanding spatial scales. All study areas showed evidences of degradation.
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| ISSN: | 0212-9426 2605-3322 |