Ice covers much of the Arctic Ocean.
冰覆盖了北冰洋的大部分地区。
Two thirds of it is the Arctic Ocean.
其中三分之二是北冰洋。
Observations of the Arctic reveal that the Arctic Ocean is covered by less ice each summer than the previous summer.
对北极的观察显示，每个夏天北冰洋上面覆盖的冰川都比前一个夏天的要少。
The Yenisei River starts in Mongolia and flows through Russia to the Kara Sea in the Arctic Ocean. It's 3,445 miles long.
叶尼塞河发源于蒙古，流经俄罗斯，汇入北冰洋的喀拉海。全长3445英里。
Found in all the oceans of the world, including the Arctic Ocean, appendicularians tend to remain near the water's surface where the density of phytoplankton is greatest.
在世界上所有的海洋，包括北冰洋，尾海鞘都是出没在浮游植物密度最大的水域表面。
At certain times, apparently, more icebergs from the Arctic Ocean in the far north were traveling south well into the North Atlantic before melting and shedding their sediment.
显然，在某些时候，来自北冰洋最北端的更多冰山赶在融化沉积前向南漂入北大西洋。
Earlier this year, British explorer Pen Hadow and his team trekked for three months across the frozen Arctic Ocean, taking measurements and recording observations about the ice.
今年年初，英国探险家佩恩·赫德尔和他的团队在冰冻的北冰洋上跋涉了三个月，对冰层进行了测量和记录。
MOSCOW - The Arctic Ocean is a forbidding place for oil drillers.
莫斯科-对于海上钻探，北冰洋是一个令人望而却步的地方。
A 15 to 25 percent decrease in the extent of Arctic Ocean sea ice.
北冰洋的海冰范围会缩水百分之十五到二十五。
Dr. Budyko argues that at ice-free Arctic Ocean is the "normal" situation.
布地柯博士认为，北冰洋不冻才是“正常”情况。
The other bright region in the image is the polar ice cap over the Arctic Ocean.
图中另一块明亮的区域则是北冰洋的极地冰冠。
In March, NASA said there was once more water on Mars than in Earth's Arctic Ocean.
今年三月，美国航空航天局表示，火星曾经蕴藏的水量超过了地球上的北冰洋。
She spent eight minutes in the freezing waters of the Arctic Ocean before being rescued.
她在寒冷的北冰洋中浸泡了八分钟才获救。
In just one year, the Arctic Ocean has lost an area of year-round ice cover the size of Texas.
一年之内，北冰洋就将失去面积相当于德克萨斯州的冰川。
An international summit convened in Moscow to discuss competing territorial claims to the Arctic Ocean.
近日在莫斯科举办了一次国际峰会，讨论北冰洋领土主权争议问题。
Two major rivers, the Chaun and Palyavaam, flow into the bay, which in turn opens into the Arctic Ocean.
两条主要河流，查恩河和帕里亚·瓦姆河汇入该海湾，然后流入北冰洋。
The researchers studied the East Siberian Arctic Shelf, a section of the Arctic Ocean just north of Siberia.
研究人员研究了东西伯利亚北极大陆架，西伯利亚以北的北冰洋的一段。
Gleaming starkly white, the frozen Arctic Ocean crowns the top of the world above 66 degrees north latitude.
闪烁着荒凉的白光，冻结的北冰洋占据着北纬66度以上的世界顶部。
Still, the new discovery and new classification of barrier islands around the Arctic Ocean is an eye-opener.
关于北冰洋周围障壁岛的新发现和新分类仍然是令人惊讶的。
Canada is placing a temporary ban on new oil and gas leasing in parts of the Arctic Ocean that it controls.
加拿大临时禁止在其控制的北冰洋部分地区颁发新的石油和天然气开采租约。
The two companies are planning to put a total of over $3bn into exploration of the Arctic Ocean and the Black Sea.
这两家公司计划投入总额超过30亿美元来勘探北冰洋和黑海的石油和天然气。
But of the five countries with Arctic Ocean coastline, Russia has the most at stake in exploring and developing the region.
但是在北冰洋沿岸的五国中，俄罗斯探索和开发该地区的利害关系最大。
But that basic information is key to helping biologists figure out how walruses are coping with the dramatic changes in the Arctic Ocean.
但是这些最基本的信息对帮助生物学家研究海象如何应对北冰洋发生的巨大变化是非常关键的。
Russia will have to prove that its shelf continues the Siberian continental platform in order to enlarge its territory in the Arctic Ocean.
如果俄罗斯想扩大其在北冰洋的领土，那么它就必须证明其大陆架是西伯利亚大陆的延伸。
The report forecasts that the Arctic Ocean, within three or four decades, will likely become nearly ice free during the summer months.
这项报告预测北极海洋在30或40年间有可能会在夏季的那几个月里变成没有冰层覆盖的海面。
The first CryoSat satellite crashed minutes after launch in 2005, ditching - with cruel irony - into the Arctic Ocean it was meant to study.
2005年，科研卫星克里赛特-1在发射数分钟后就发生事故，残酷地在北冰洋面迫降——原本其准备进行监测的地区。
The first CryoSat satellite crashed minutes after launch in 2005, ditching - with cruel irony - into the Arctic Ocean it was meant to study.
2005年，科研卫星克里赛特-1在发射数分钟后就发生事故，残酷地在北冰洋面迫降——原本其准备进行监测的地区。
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