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![](../../global_imgs/spacer.gif) Le recul du lac Tchad
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| Contexte (http://www.esa.int/SPECIALS/Eduspace_Weather_FR/SEMS6B9W1NH_0.html) |
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![](../../global_imgs/spacer.gif) Exercices
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| Exercice 1: Visualisation du lac Tchad (http://www.esa.int/SPECIALS/Eduspace_Weather_FR/SEMZBB9W1NH_0.html) |
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| Exercice 2: Le recul du lac Tchad (http://www.esa.int/SPECIALS/Eduspace_Weather_FR/SEMP7C9W1NH_0.html) |
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| Exercice 3: L'importance de l'eau dans la région du lac Tchad (http://www.esa.int/SPECIALS/Eduspace_Weather_FR/SEM1KC9W1NH_0.html) |
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![](../../global_imgs/spacer.gif) Eduspace - Logiciels
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| LEOWorks 4 (MacOS) (http://leoworks.asrc.ro/download/leoworks.app.zip) |
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| LEOWorks 4 (Linux) (http://leoworks.asrc.ro/download/leoworks.jar) |
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| LEOWorks 4 (Windows) (http://leoworks.asrc.ro/download/leoworks.exe) |
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![](../../global_imgs/spacer.gif) Eduspace - Télécharger
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| Landsat MSS_January 1973.tif (http://esamultimedia.esa.int/eduspace/2013/10/Landsat_MSS_LakeChad_January1973.tif) |
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| Landsat TM_December 1986.tif (http://esamultimedia.esa.int/eduspace/2013/10/Landsat_TM_LakeChad_December1986.tif) |
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| Envisat MERIS_January 2011.tif (http://esamultimedia.esa.int/eduspace/2013/10/Envisat_MERIS_LakeChad_January2011.tif) |
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