ESA - Eduspace FR - Les catatastrophes naturelles - Exercice 3 : Détection des changements multi-temporels et surveillance

Inondations

Thessalonique (Grèce)

Tremblements de terre

Introduction Tremblement de terre d'Izmit

Ouragans

Ondes de tempête L'ouragan Katrina

Volcans

Introduction Ceinture volcanique andine Etna Nyiragongo et Nyamuragira

Article Images

Exercice 3 : Détection des changements multi-temporels et surveillance

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HI-RES JPEG (Size: 193 kb)

Training fields of 2001 that have to be modified for 2003 (new lava flow, plume, cloud).

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HI-RES JPEG (Size: 180 kb)

Training fields of 2001 that have to be modified for 2003 (new lava flow, plume, cloud).

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HI-RES JPEG (Size: 103 kb)

Training fields of 2001 that have to be modified for 2003 (new lava flow, plume, cloud).

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HI-RES JPEG (Size: 672 kb)

The supervised classification result for the Landsat 2001 image was manually re-coloured with colours that are easier to distinguish and associate with land cover features.

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Supervised classification of 31 January 2003 Landat image. The volcanic plume was classified as clouds, but unfortunately it overlays part of the new lava of the 2001 eruption.

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Supervised classification image of 15 January 2003. The image is very cloudy. Lava of the 2001 eruption can clearly be seen.

Nyiragongo et Nyamuragira

Détection des changements et évaluation des dangers

Détection des changements et évaluation des dangers: Feuille de travail Exercice 1 : Découvrir et comprendre les volcans Exercice 2 : Détection de la lave et classification dirigée

Eduspace - Télécharger

Nyiragongo_Landsat.zip

Eduspace - Logiciels

LEOWorks 3 LEOWorks 3 Tutorial