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Landsat ETM+ image applications to extract information for environmental planning in a Colombian city / L.M. Santana in International Journal of Remote Sensing IJRS, vol 28 n°19-20 (October 2007)
[article]
Titre : Landsat ETM+ image applications to extract information for environmental planning in a Colombian city Type de document : Article/Communication Auteurs : L.M. Santana, Auteur Année de publication : 2007 Article en page(s) : pp 4225 - 4242 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] analyse de variance
[Termes IGN] Colombie
[Termes IGN] croissance urbaine
[Termes IGN] densité de population
[Termes IGN] détection automatique
[Termes IGN] image Landsat-ETM+
[Termes IGN] Normalized Difference Vegetation Index
[Termes IGN] température au sol
[Termes IGN] villeRésumé : (Auteur) Latin American cities have witnessed rapid and unplanned growth causing social, economic and environmental problems. To solve these problems, urban planners require information and indicators that normally are not available. In this study, the applicability of remote sensing data to extract environmental data was examined. A Landsat Enhanced Thematic Mapper (ETM+) image was used to gather information about land surface temperature (Ts) and its relationship with the Normalized Difference Vegetation Index (NDVI) and the Leaf Water Content Index (LWC). A strong negative relationship between Ts and NDVI and between Ts and LWC was observed. Analysis of variance points out statistically significant differences in the averages of Ts, NDVI, and LWC among neighbourhoods. Areas with high density housing, with a deficient urban design and those with commercial establishments had the lowest means of NDVI and LWC, and higher means of Ts. On the other hand, neighbourhoods with a higher proportion of trees and green zones had higher NDVI and LWC, and lower Ts. Finally, all neighbourhoods were classified into those that have lower to higher Ts. Therefore, the greening campaigns and new landscape design of the city should be directed specifically at neighbourhoods with the lowest level of NDVI or LWC. Copyright Taylor & Francis Numéro de notice : A2007-445 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160701244856 En ligne : https://doi.org/10.1080/01431160701244856 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28808
in International Journal of Remote Sensing IJRS > vol 28 n°19-20 (October 2007) . - pp 4225 - 4242[article]Réservation
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