zones végétalisées – English Translation – Keybot Dictionary

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  Cartographie des zones ...  
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Les faibles échos des étendues d'eau produisent, sur les images, des zones foncées qui contrastent avec les zones plus claires du sol et des zones végétalisées inondées, ce qui permet d'identifier des zones inondées dépourvues de végétation.
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SAR imagery has proven to be very useful for flood mapping and for wetland vegetation classification. The dark returns from water contrast with the brighter ones from land and flooded vegetation thus making it possible to identify open flooded areas. This makes possible the determination of the extent of the flood although problems can occur when attempting to map flooded vegetation. Wetland vegetation also has a variety of shapes, sizes, and distributions, which can be used for discrimination between vegetation types. The use of multi-temporal SAR data has been shown to be useful for wetland classification due to the seasonal changes in vegetation and water levels which affect the microwave backscatter. Polarimetric SAR data can be used to improve extraction of information for these applications.
  Cartographie des zones ...  
Show textShow cached sourceOpen source URL
Les faibles échos des étendues d'eau produisent, sur les images, des zones foncées qui contrastent avec les zones plus claires du sol et des zones végétalisées inondées, ce qui permet d'identifier des zones inondées dépourvues de végétation.
Compare text pagesCompare HTM pagesOpen source URLOpen target URLDefine rncan.gc.ca as primary domain
SAR imagery has proven to be very useful for flood mapping and for wetland vegetation classification. The dark returns from water contrast with the brighter ones from land and flooded vegetation thus making it possible to identify open flooded areas. This makes possible the determination of the extent of the flood although problems can occur when attempting to map flooded vegetation. Wetland vegetation also has a variety of shapes, sizes, and distributions, which can be used for discrimination between vegetation types. The use of multi-temporal SAR data has been shown to be useful for wetland classification due to the seasonal changes in vegetation and water levels which affect the microwave backscatter. Polarimetric SAR data can be used to improve extraction of information for these applications.