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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

Ondes de tempête

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Hurricane Katrina as seen by Envisat's MERIS

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Hurricane Katrina, as seen by Envisat's MERIS in Reduced Resolution mode, off southern Florida on 25 August 2005, when it was still classified as Category One on the Saffir-Simpson scale which measures hurricane intensity. The storm caused great damage after landfall, mostly due to heavy rainfall and flooding.

Credits: ESA

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New Orleans flooded in the days following Katrina

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Credits: NOAA

Ondes de tempête

L'ouragan Katrina

Introduction

Exercices

Exercice 1: Étude de l'ouragan Katrina du sommet des nuages aux vagues océaniques Exercice 2 : Visualisation et observation des zones inondées provoquées par l'ouragan Katrina à la Nouvelle-Orléans

Liens utiles

Hurricane Katrina - NOAA Hurricane Katrina - Wikipedia National Hurricane Center - NOAA Storm surge overview - NOAA Global Monitoring for Environment and Security - ESA International Charter Space and Major Disasters Tropical weather and hurricanes - Physicalgeography

Autre article

Envisat sees whirling Hurricane Katrina from ocean waves to cloud tops