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Descripción
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| Geospatial products, such as digital elevation models (DEMs), are important topographic tools for tackling local flood studies. This study investigates the contribution of LiDAR elevation data in DEM generation based on fixed-wing unmanned aerial vehicle (UAV) imaging for flood applications. More specifically, it assesses the accuracy of UAV-derived DEMs using the proposed LiDAR-derived control point (LCP) method in a Structure-from-Motion photogrammetry processing. Also, the flood estimates (volume and area) of the UAV terrain products are compared with a LiDAR-based reference. The applied LCP-georeferencing method achieves an accuracy comparable with other studies. In addition, it has the advantage of using semi-automatic terrain data classification and is readily applicable in flood studies. Lastly, it proves the complementarity between LiDAR and UAV photogrammetry at the local level. | |
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Internacional
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JCR del ISI
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Si |
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Título de la revista
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Sensors |
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ISSN
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1424-8220 |
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Factor de impacto JCR
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2,475 |
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Información de impacto
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Datos JCR del año 2017 |
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Volumen
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19 |
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DOI
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10.3390/s19143205 |
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Número de revista
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14 |
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Desde la página
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3205 |
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Hasta la página
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Mes
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JULIO |
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Ranking
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