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Evolución reciente de los neveros de Tendeñera: nuevas posibilidades de análisis derivadas de la aplicación de técnicas de fotogrametría terrestre

AutorLópez-Moreno, Juan I. ; Revuelto, Jesús ; Errea, M. P. ; Sánchez Navarrete, Pedro; García-Ruiz, José María
Fecha de publicación2014
EditorSociedad Española de Geomorfología
CitaciónAvances de la Geomorfología en España 2012-2014: 323- 326 (2014)
ResumenThe north face of Peak Tendeñera hosts two small ice fields which can be considered the southernmost ones of the Pyrenees. These are located at a relatively low altitude (stouts are close to 2500 m) and they survival from the Little Ice Age can only be explained by its low incoming radiation thanks to its north orientation and the reception of frequent avalanches during winter. We have studied the evolution of these glaciers by aerial photographs and ortophotos since 1956; and more recently the creation of three-dimensional models using terrestrial photogrammetry techniques. The use of aerial photography and ortophotos has shown serious limitations associated to problems of visualization due to shadows; and their acquisition for different times in the year that difficult their comparison. In contrast, photogrammetry techniques offers very good possibilities to monitor changes and improve the resolution of many of the currently available orthophotos. This technique may represent an economical and feasible to use very high isolation means alternative when compared to other techniques for generating three-dimensional models currently used.
Versión del editorhttp://www.grupogiga.es/seg/AVANCES_DE_LA_GEOMORFOLOGIA_EN%20ESPA%C3%91A_2012_2014.pdf
URIhttp://hdl.handle.net/10261/108366
ISBN978-84-617-1123-9
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