Sea Ice off Baffin Island.jpg
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Sea Ice off Baffin Island, This natural-colour (photo-like) image shows winter ice hugging the coastline of Canada’s Baffin Island. Clouds often hover over the Arctic during the Northern Hemisphere summer, making cloud-free images such as this one relatively rare. Although a few wispy clouds appear in the upper right and lower left corners of this image, the delicate swirls of white running along the eastern edge of Baffin Island are sea ice. Eddies along Baffin Island’s coast have fashioned the ice into interlocking swirls, especially near Cumberland Sound. Farther north, a long band of ice holds fast to the shore east of Barnes Icecap. Although less inclined to move with the currents, this ice also shows signs of weakening, as its edges splinter, and pieces float away. The sea ice retreat captured in this image appears typical of seasonal melt. Since the turn of the twenty-first century, however, Arctic sea ice extent has declined sharply, experiencing a series of low summertime extents and poor wintertime recoveries., Sea ice off Baffin Island, The Barnes Ice Cap, containing remnants of the Laurentide Ice Sheet.
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Sea Ice off Baffin Island, Sea ice, Hudson Strait, NASA MODIS images of North America, Eddies, Davis Strait, Satellite pictures of Baffin Island, Images with annotations
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バフィン島沖の海氷。この天然の色彩(フォトのような)は、カナダのバフィン島の海岸線を漂う冬の氷を表している。北半球の夏には、北極圏上空で雲が飛び交うことが多く、これのような雲のないイメージが比較的まれにみられる。この画像の右上隅と左下隅にはいくつかの細い雲が見えるが、バフィン島の東端に沿って走る白い繊細な渦巻は海氷である。バフィン島の沿岸のエディは、特にカンバーランド海峡の近くで、氷を連動する渦に流した。さらに北では、バーンズ氷床の東の岸まで長い氷がしっかりと保持されている。流量によって動きが鈍くなるが、氷の縁が割れて浮かび上がるため、氷が弱くなる面もある。この図に描かれている海氷は、季節の融解の典型である。21世紀に入ってからは、北極海の海氷は急速に沈降し、夏場の氷点下が続き、冬の回復も遅くなっている。
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バフィン島沖の海氷、海氷、ハドソン海峡、NASA MODIS画像の北米、エディス、デイビス海峡、バフィン島の衛星写真、注釈付き画像
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