File:Envisat radar image of the Gobi Desert ESA231227.tiff
Original file (5,011 × 4,708 pixels, file size: 68.05 MB, MIME type: image/tiff)
Captions
Captions
Summary
[edit]| Description |
English: This Envisat radar image features the terrain of the Gobi Desert, which stretches across vast areas of the Mongolian People's Republic and the Inner Mongolian Autonomous Region of China.
The Gobi, which is about 1600 km in extent from east to west and about 1000 km from north to south, has a total area of 1 300 000 sq km, making it the largest desert in Asia and the fourth largest in the world. Despite the connotations associated with deserts being sandy, the Gobi Desert is covered with bare rock. It is formed by a series of small basins within a larger basin rimmed by upland. The basin floors are unusually flat and level, and are formed of a desert pavement of small gravel atop granite or metamorphic rock. The Gobi, which is Mongolian for 'waterless place', receives no more than 200 to 250 mm of rain along the northern and eastern edges, but only its southeastern portion is completely waterless. Numerous small lakes that are kept filled by groundwater are visible in the image. Archaeological evidence shows the lakes have existed for a very long time, with Stone Age dwellers living along their borders. Numerous important fossils have been found in the Gobi Desert, including the first dinosaur eggs. Envisat’s Advanced Synthetic Aperture Radar acquired this image on 6 August 2009. |
| Date | |
| Source | http://www.esa.int/spaceinimages/Images/2010/07/Envisat_radar_image_of_the_Gobi_Desert |
| Author | European Space Agency |
| Permission (Reusing this file) |
ESA,CC BY-SA 3.0 IGO |
| Other versions |
|
| Title | Envisat radar image of the Gobi Desert |
| System | Envisat ASAR |
| Keywords | Deserts |
| Set | Earth observation image of the week |
| Mission | Envisat |
| Activity | Observing the Earth |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:58, 24 May 2017 |  | 5,011 × 4,708 (68.05 MB) | Fæ (talk | contribs) | European Space Agency, Id 231227, http://www.esa.int/spaceinimages/Images/2010/07/Envisat_radar_image_of_the_Gobi_Desert, User:Fæ/Project_list/ESA |
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