File:Global Vegetation.jpg

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描述 Food, fuel and shelter: vegetation is one of the most important requirements for human populations around the world. Satellites monitor how "green" different parts of the planet are and how that greenness changes over time. These observations help scientists understand the influence of natural cycles, such as drought and pest outbreaks, on vegetation, as well as human influences, such as land-clearing and global warming.
日期 This image shows NDVI from Nov. 1, 2007, to Dec. 1, 2007, during autumn in the Northern Hemisphere.
來源 Archive of Image of the Day
作者 Image Credit: NASA

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Public domain 本作品由NASA創作,屬於公有領域。根據NASA的版權政策:“NASA的創作除非另有聲明否則不受版權保護。”(參見:Template:PD-USGov/zhNASA版權政策JPL圖像使用政策
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目前2008年4月13日 (日) 08:35於 2008年4月13日 (日) 08:35 版本的縮圖1,024 × 768(78 KB)Auréola{{Information |Description=Food, fuel and shelter: vegetation is one of the most important requirements for human populations around the world. Satellites monitor how "green" different parts of the planet are and how that greenness changes over time. Thes

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