File:MOD13A2_M_NDVI.ogv
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MOD13A2_M_NDVI.ogv (Ogg Theora video file, length 42 s, 472 × 316 pixels, 225 kbps, file size: 1.12 MB)
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Summary
DescriptionMOD13A2 M NDVI.ogv |
English: On these maps, vegetation is pictured as a scale, or index, of greenness. Greenness is based on several factors: the number and type of plants, how leafy they are, and how healthy they are. In places where foliage is dense and plants are growing quickly, the index is high, represented in dark green. Regions where few plants grow have a low vegetation index, shown in tan. The index is based on measurements taken by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite. Areas where the satellite did not collect data are gray.The most obvious pattern that the maps show is a global one: vegetation greenness is high around the equator all year long, where temperatures, rainfall and sunlight are abundant. Between the equator and the poles, the vegetation greenness rises and falls as the seasons change. |
Date | |
Source | Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite |
Author | NASA |
Licensing
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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28 January 2014
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:05, 28 January 2014 | 42 s, 472 × 316 (1.12 MB) | LollyBear12 | User created page with UploadWizard |
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Software used | Lavf55.25.101 |
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Language | eng |
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