Study and Monitoring of Coastal Geomorphological Change by Drone and DGPS of the Langue de Barbarie (Saint Louis, Senegal)

Ba, K.; Sagne, P.; Ndour, A., and Tine, D., 2024. Study and monitoring of coastal geomorphological change by drone and DGPS of the Langue de Barbarie (Saint Louis, Senegal). In: Phillips, M.R.; Al-Naemi, S., and Duarte, C.M. (eds.), Coastlines under Global Change: Proceedings from the International...

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Veröffentlicht in:Journal of coastal research 2025-01, Vol.113 (sp1), p.737-742
Hauptverfasser: Kader-Ba, Sagne, Papa, Ndour, Abdoulaye, Tine, Djibril
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Sprache:eng
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Zusammenfassung:Ba, K.; Sagne, P.; Ndour, A., and Tine, D., 2024. Study and monitoring of coastal geomorphological change by drone and DGPS of the Langue de Barbarie (Saint Louis, Senegal). In: Phillips, M.R.; Al-Naemi, S., and Duarte, C.M. (eds.), Coastlines under Global Change: Proceedings from the International Coastal Symposium (ICS) 2024 (Doha, Qatar). Journal of Coastal Research, Special Issue No. 113, pp. 737-742. Charlotte (North Carolina), ISSN 0749-0208.This paper adds to the understanding of coastal erosion near the mouth of the Senegal River and at Guet Ndar. It focuses on field data gathered from the DGPS E300 pro and the Dji Phantom UAV. Using photogrammetry post-processing software (Pix4D map-per), the captured pictures are combined to create an orthomosaic image. The findings acquired are in the form of maps, digital terrain models, orthophotos, contour lines, 3D models, and semi-points (X, Y, and Z) that are all georeferenced in the Senegalese geodetic system (UTM, WGS 84, N28) using high-resolution data (2.5 cm). Identifying eroding, accumulating, or stable areas together with their topography and estimating evolution rates along the Langue de Barbarie spit have been made possible by an analysis of the collected information Although maritime dynamic processes are primarily responsible for these results, human activity, such as opening a breach to prevent flooding in the town and the Langue de Barbarie,, could hasten the process. Government officials may find these results useful in making judgments about how to stop flooding and coastal erosion.
ISSN:0749-0208
1551-5036
DOI:10.2112/JCR-SI113-145.1