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File:Island of Hawai'i - Landsat mosaic.jpg

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原始檔案 (5,076 × 5,076 像素,檔案大小:5.19 MB,MIME 類型:image/jpeg


摘要

描述

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年之間
來源 Image and its description.
作者 Hawaii Land Cover Analysis project, NOAA Coastal Services Center
授權許可
(重用此檔案)
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.

授權條款

Public domain
本圖像屬於公有領域,因該作品最初來自於美國國家海洋和大氣管理局職員的職務作品。

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日期/時間縮⁠圖尺寸使用者備⁠註
目前2009年9月1日 (二) 11:59於 2009年9月1日 (二) 11:59 版本的縮圖5,076 × 5,076(5.19 MB)Túreliosaved with 95% quality (low compression), but without "progressive" option
2009年9月1日 (二) 11:59於 2009年9月1日 (二) 11:59 版本的縮圖5,076 × 5,076(4.9 MB)BidgeeFix thumbnail generation issue caused by progressive loading.
2009年9月1日 (二) 11:31於 2009年9月1日 (二) 11:31 版本的縮圖5,076 × 5,076(4.91 MB)Rocket000reuploading
2007年12月27日 (四) 11:52於 2007年12月27日 (四) 11:52 版本的縮圖5,076 × 5,076(4.91 MB)Avenue{{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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