ESA - Eduspace DK - Naturkatastrofer - Øvelse 3: Multitemporal afsløring og overvågning af ændringer

Jordskælv

Indledning Izmit jordskælvet

Orkaner

Stormfloder Orkanen Katrina

Oversvømmelser

Thessaloniki (Grækenland)

Vulkaner

Introduktion Andesbjergenes vulkanske bælte Etna Nyiragongo og Nyamuragira

Article Images

Øvelse 3: Multitemporal afsløring og overvågning af ændringer

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

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

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

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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 og Nyamuragira

Introduktion

Påvisning af ændringer og risikovurdering

Introduktion til arbejdsarket Øvelse 1: Undersøgelse og viden om vulkanen Øvelse 2: Påvisning af lava vha. overvåget klassifikation

Eduspace - Download

Nyiragongo_Landsat.zip

Eduspace - Software

LEOWorks 3 LEOWorks 3 Tutorial