File:Tibetan desert.jpg
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DescriptionTibetan desert.jpg |
Shortly after departing from Cuo Na Hu railway station we encountered these sandy, desert like conditions with those interesting rock patterns we saw so aften along the tracks. According to our Beijing guide, Da Li, these are handmade structures used to trap sand during storms - part of the Chinese strategy to fight desertification. Deserts now cover 18 percent of China. Of those, 78 percent are natural, while 22 percent were created by humans. Since 1978, Chinese forestry engineers have been supervising the planting of the Great Green Wall. Some 4,500 kilometres in length, the tree barrier is intended, when completed in several decades, to prevent desertification by protecting the fragile land from wind. Another project of equally immense proportions is the South-to-North Water Transfer. It aims to redirect to the north, by the year 2050 via a network of canals, about 50 billion cubic metres of water per year from the rivers of southern and central China. The project will obliterate heritage sites and engulf villages and towns. |
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Date | |||
Source | Flickr: Tibetan desert | ||
Author | Bernt Rostad | ||
Permission (Reusing this file) |
![]() ![]() This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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current | 16:12, 5 April 2011 | ![]() | 3,648 × 2,736 (3.38 MB) | Flickr upload bot (talk | contribs) | Uploaded from http://flickr.com/photo/67975030@N00/3790705351 using Flickr upload bot |
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Camera manufacturer | Canon |
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Camera model | Canon DIGITAL IXUS 870 IS |
Exposure time | 1/500 sec (0.002) |
F-number | f/5.6 |
ISO speed rating | 80 |
Date and time of data generation | 08:08, 14 July 2009 |
Lens focal length | 5 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 08:08, 14 July 2009 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 08:08, 14 July 2009 |
Image compression mode | 5 |
APEX shutter speed | 8.96875 |
APEX aperture | 4.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 15,136.929460581 |
Focal plane Y resolution | 15,116.022099448 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |