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Lineament detection on Mount Cameroon during the 1999 volcanic eruptions using Landsat ETM / E.E. Nama in International Journal of Remote Sensing IJRS, vol 25 n° 3 (February 2004)  

Public [article]  inInternational Journal of Remote Sensing IJRS > vol 25 n° 3 (February 2004) . - pp 501 - 510 Titre : Lineament detection on Mount Cameroon during the 1999 volcanic eruptions using Landsat ETM Type de document : Article/Communication Auteurs : E.E. Nama, Auteur Année de publication : 2004 Article en page(s) : pp 501 - 510 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection [Termes IGN] analyse en composantes principales [Termes IGN] déformation de la croute terrestre [Termes IGN] éruption volcanique [Termes IGN] faille géologique [Termes IGN] image Landsat-ETM+ [Termes IGN] linéament [Termes IGN] Mont-Cameroun (volcan) [Termes IGN] réalité de terrain [Termes IGN] volcan Résumé : (Auteur) A study of the active Mount Cameroon volcano, located south west along the Cameroon Volcanic Line, was carried out during the 1999 volcanic eruption, using Landsat Enhanced Thematic Mapper (ETM) imagery. It investigated geologic deformations expressed as faults, cracks and lineaments resulting from the eruption. Various image processing techniques were tested and compared in order to detect the most effective output. Principal Component Analysis was found to be useful to determine the extent of deformations caused during the 1999 volcanic eruptions. Landsat ETM revealed the formation of faults and lineaments with proximity to eruption vents. The interpretation obtained from satellite imagery was cross checked with field and ground truthing data. This paper identifies the dimensions and orientations of the newly formed geologic features. Numéro de notice : A2004-061 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/0143116031000102557 En ligne : https://doi.org/10.1080/0143116031000102557 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26589 [article]

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