File:Island of Hawai'i - Landsat mosaic.jpg
![File:Island of Hawai'i - Landsat mosaic.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Island_of_Hawai%27i_-_Landsat_mosaic.jpg/600px-Island_of_Hawai%27i_-_Landsat_mosaic.jpg?20090901115951)
原始文件 (5,076 × 5,076像素,文件大小:5.19 MB,MIME类型:image/jpeg)
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说明
摘要
[编辑]描述Island of Hawai'i - Landsat mosaic.jpg |
This simulated true-color image of the island of Hawai'i was derived from data gathered by the Enhanced Thematic Mapper plus (ETM+) on the Landsat 7 satellite between 1999 and 2001. |
日期 | 在1999年到2001年之间 |
来源 | Image and its description. |
作者 | Hawaii Land Cover Analysis project, NOAA Coastal Services Center |
授权 (二次使用本文件) |
Public domain - original work of NASA and NOAA |
其他版本 | Cropped version for Kilauea : File:Kilauea - Landsat mosaic.jpg |
Description from [1]: Boasting snow-covered mountain peaks and tropical forest, the Island of Hawaii, the largest of the Hawaiian Islands, is stunning at any altitude. This false-color composite (processed to simulate true color) image of Hawaii was constructed from data gathered between 1999 and 2001 by the Enhanced Thematic Mapper plus (ETM+) instrument, flying aboard the Landsat 7 satellite. The Landsat data were processed by the National Oceanographic and Atmospheric Administration (NOAA) to develop a landcover map. This map will be used as a baseline to chart changes in land use on the islands. Types of change include the construction of resorts along the coastal areas, and the conversion of sugar plantations to other crop types.
Hawaii was created by a “hotspot” beneath the ocean floor. Hotspots form in areas where superheated magma in the Earth’s mantle breaks through the Earth’s crust. Over the course of millions of years, the Pacific Tectonic Plate has slowly moved over this hotspot to form the entire Hawaiian Island archipelago.
The black areas on the island (in this scene) that resemble a pair of sun-baked palm fronds are hardened lava flows formed by the active Mauna Loa Volcano. Just to the north of Mauna Loa is the dormant grayish Mauna Kea Volcano, which hasn’t erupted in an estimated 3,500 years. A thin greyish plume of smoke is visible near the island’s southeastern shore, rising from Kilauea—the most active volcano on Earth. Heavy rainfall and fertile volcanic soil have given rise to Hawaii’s lush tropical forests, which appear as solid dark green areas in the image. The light green, patchy areas near the coasts are likely sugar cane plantations, pineapple farms, and human settlements.
许可协议
[编辑]Public domainPublic domainfalsefalse |
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本图像属于公有领域,因该作品最初来自于美国国家海洋和大气管理局职员的职务作品。
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日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
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当前 | 2009年9月1日 (二) 11:59 | ![]() | 5,076 × 5,076(5.19 MB) | Túrelio(留言 | 贡献) | saved with 95% quality (low compression), but without "progressive" option |
2009年9月1日 (二) 11:59 | ![]() | 5,076 × 5,076(4.9 MB) | Bidgee(留言 | 贡献) | Fix thumbnail generation issue caused by progressive loading. | |
2009年9月1日 (二) 11:31 | ![]() | 5,076 × 5,076(4.91 MB) | Rocket000(留言 | 贡献) | reuploading | |
2007年12月27日 (四) 11:52 | ![]() | 5,076 × 5,076(4.91 MB) | Avenue(留言 | 贡献) | {{Information| |Description=This simulated true-color image of the island of Hawai'i was derived from data gathered by the Enhanced Thematic Mapper plus (ETM+) on the Landsat 7 satellite between 1999 and 2001. |Source=[http://veimages.gsfc.nasa.gov/2712/l |
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水平分辨率 | 72 dpi |
垂直分辨率 | 72 dpi |
使用软件 | Adobe Photoshop 7.0 |
文件修改日期时间 | 2002年5月16日 (四) 17:54 |
色彩空间 | 未标定 |