Image:Glacial lakes, Bhutan.jpg
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This image shows the termini of the glaciers in the Bhutan-Himalaya. Glacial lakes have been rapidly forming on the surface of the debris-covered glaciers in this region during the last few decades. USGS researchers have found a strong correlation between increasing temperatures and glacial retreat in this region.
According to a joint press release issued by NASA and the U.S. Geological Survey, the great majority of the world’s glaciers appear to be declining at rates equal to or greater than long-established trends. This image from the ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) instrument aboard NASA’s Terra satellite shows the termini of the glaciers in the Bhutan-Himalaya. Glacial lakes have been rapidly forming on the surface of the debris-covered glaciers in this region during the last few decades.
According to Jeffrey Kargel, a USGS scientist, glaciers in the Himalaya are wasting at alarming and accelerating rates, as indicated by comparisons of satellite and historic data, and as shown by the widespread, rapid growth of lakes on the glacier surfaces. According to a 2001 report by the Intergovernmental Panel on Climate Change, scientists estimate that surface temperatures could rise by 1.4°C to 5.8°C by the end of the century. The researchers have found a strong correlation between increasing temperatures and glacier retreat.
http://visibleearth.nasa.gov/view_rec.php?id=2876
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Google Maps - TopoZone - TerraServer-USA |
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This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).
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This image was selected as a picture of the day for March 21, 2007. It was captioned as followed:
Česky: Družicový snímek himálajského ledovce v Bhútánu
Magyar : Tavak és gleccserek a Himalája lábainál, Bhután
Slovenčina: Družicová snímka himálajskeho ľadovca v Bhutanu
Türkçe: Bhutan'da Himalayaların eteğinde buzullar ve göller.
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Pages contenant l’image
Les pages ci-dessous contiennent cette image :
- Himalaya
- Wikipédia:Image du jour
- Utilisateur:Grook Da Oger/Médiathèque
- Wikipédia:Image du jour/mars 2007
- Wikipédia:Image du jour/21 mars 2007
Métadonnées
Ce fichier contient des informations supplémentaires probablement ajoutées par l’appareil photo ou le scanner qui l’a produite. Si le fichier a été modifié, certains détails peuvent ne pas refléter l’image modifiée.
| Orientation | Normal |
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| Résolution de l’image en largeur | 72 dpi |
| Résolution de l’image en hauteur | 72 dpi |
| Logiciel utilisé | Adobe Photoshop CS2 Windows |
| Date et heure de changement du fichier | 13 février 2006 à 17:18 |
| Espace colorimétrique | 65535 |
