Contribution of the New satellites (Sentinel-1, Sentinel-2 and SPOT-6) to the Coastal Vegetation Monitoring in the Pays de Brest (France)
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2 novembre 2017
- handle: 10670/1.0ydrsf
- hal: hal-01654978
- doi: 10.1117/12.2277320
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info:eu-repo/semantics/altIdentifier/doi/10.1117/12.2277320
info:eu-repo/semantics/OpenAccess
Mots-clés
SPOT-6 classification vegetation Sentinel-2 Remote sensing temporal monitoring Synergy Sentinel-1Sujets proches
Vegetable kingdom Plantae Plant kingdom Vegetation Wildlife FloraCiter ce document
Halima Talab Ou Ali et al., « Contribution of the New satellites (Sentinel-1, Sentinel-2 and SPOT-6) to the Coastal Vegetation Monitoring in the Pays de Brest (France) », HAL-SHS : géographie, ID : 10.1117/12.2277320
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Résumé
This paper presents a methodology for monitoring vegetation in the Pays de Brest using new series of Sentinel-1 satellite images combining with Sentinel-2 and SPOT-6. This work consists of establishing an interferogram method of the main types of vegetation in order to achieve the coherence of a multi-temporal Sentinel-1 radar image series, in SLC format (C band, VV and VH polarization), between 2015 and 2016. We then proceed to calculating the radar backscatter coefficient based on Sentinel 1 images in GRD format. Multi-date and multipolarized color compositions will be made to detect changes. It also shows the importance of data synergy to obtain an excellent accuracy using Random Forest classification..