File:Sea Ice Surrounds Shikotan.jpg

原始文件 (3,727 × 3,727像素,文件大小:3.52 MB,MIME类型:image/jpeg


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English: Natural-colour image of Shikotan. The island is surrounded by sea ice—swirling shapes of ghostly blue-gray. The ice in this image may have formed in a matter of several days, and it is prone to moving with currents. North of the western end of Shikotan, eddies have shaped the ice into rough circles. The eddies may result from opposing winds—winds from the north pushing the ice southward, and winds from the south-west pushing the ice toward the north-east. Uneven snow cover exaggerates the island’s rugged appearance. Multiple forces have shaped Shikotan over millions of years. Geologic studies indicate that it has been battered by multiple tsunamis, although wind, rain, and tectonic forces likely play a greater role in shaping the surface. Part of the Pacific Ring of Fire, the island is seismically active.
日期
来源 NASA Earth Observatory
作者 Jesse Allen and Robert Simmon

Image captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite.

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Public domain 本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zhNASA版权方针页面JPL图片使用方针。)
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当前2011年2月21日 (一) 12:282011年2月21日 (一) 12:28版本的缩略图3,727 × 3,727(3.52 MB)Originalwana{{Information |Description ={{en|1=Natural-colour image of Shikotan. The island is surrounded by sea ice—swirling shapes of ghostly blue-gray. The ice in this image may have formed in a matter of several days, and it

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