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Título
Open Digital Shoreline Analysis System: ODSAS v1.0
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Journal of Marine Science and Engineering
Número de la revista
1
Cita Bibliográfica
Gómez-Pazo, A., Payo, A., Paz-Delgado, M. V., & Delgadillo-Calzadilla, M. A. (2022). Open Digital Shoreline Analysis System: ODSAS v1.0. Journal of Marine Science and Engineering, 10(1). https://doi.org/10.3390/JMSE10010026
Editorial
MDPI
Fecha
2021
Resumen
[EN] In this study, we propose a new baseline and transect method, the open-source digital shoreline analysis system (ODSAS), which is specifically designed to deal with very irregular coastlines. We have compared the ODSAS results with those obtained using the digital shoreline analysis system (DSAS). Like DSAS, our proposed method uses a single baseline parallel to the shoreline and offers the user different smoothing and spacing options to generate the transects. Our method differs from DSAS in the way that the transects’ starting points and orientation are delineated by combining raster and vector objects. ODSAS uses SAGA GIS and R, which are both free open-source software programs. In this paper, we delineate the ODSAS workflow, apply it to ten study sites along the very irregular Galician coastline (NW Iberian Peninsula), and compare it with the one obtained using DSAS. We show how ODSASproduces similar values of coastline changes in terms of the most commonindicators at the aggregated level (i.e., using all transects), but the values differ when compared at the transect-by-transect level. We argue herein that explicitly requesting the user to define a minimumresolution is important to reduce the subjectivity of the transect and baseline method.
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DOI
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