File:Animation Vegetation.gif
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Animation_Vegetation.gif (360 × 177 pixels, file size: 215 KB, MIME type: image/gif, looped, 12 frames, 2.3 s)
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| Description |
Deutsch: To measure and map the density of green vegetation across the Earth's landscapes, scientists use satellite sensors that observe the distinct wavelengths of visible and near-infrared sunlight that is absorbed and reflected by the plants. Calculating the ratio of the visible and near-infrared light reflected back up to the sensor yields a number from minus one (-1) to plus one (+1). The result of this calculation is called the Normalized Difference Vegetation Index, or NDVI. An NDVI value of zero means no green vegetation and close to +1 (0.8 - 0.9) indicates the highest possible density of green leaves. |
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| Date | 3 July 2007 (original upload date) | |||||
| Source |
Transferred from de.wikiversity |
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| Author |
NASA. Original uploader was DerJenson at de.wikiversity |
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| Permission (Reusing this file) |
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The original description page was here. All following user names refer to de.wikiversity.
- 2007-07-03 17:11 DerJenson 360×177× (220068 bytes) {{Information |Beschreibung=To measure and map the density of green vegetation across the Earth's landscapes, scientists use satellite sensors that observe the distinct wavelengths of visible and near-infrared sunlight that is absorbed and reflected by th
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:32, 27 August 2009 | | 360 × 177 (215 KB) | Crochet.david.bot (talk | contribs) | {{BotMoveToCommons|de.wikiversity|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{de|To measure and map the density of green vegetation across the Earth's landscapes, scientists use sat |
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