事实上，北极海冰的融化速度比预期的要快。
Indeed, sea-ice cover in the Arctic is melting faster than expected.
北极海冰在地球气候系统中占据中心位置，并且它恶化的速度比预期的更快。
The Arctic sea ice holds a central position in the Earth's climate system and it's deteriorating faster than expected.
北极海冰近况与分析。
北极海冰融化海象再次被迫上岸。
北极海冰规模。
六月，北极海冰的覆盖面积达到历史平均记录的最低点。
Arctic sea-ice cover reached its lowest ever recorded average level for the month of June.
协议的顺利达成有一个必要条件：北极海冰的进一步减少。
One requirement for the success of this deal: a further retreat of Arctic sea ice.
最近的研究表明北极海冰覆盖的面积正在迅速地减退。
Recent research reveals that the area covered by Arctic sea ice is rapidly receding.
在融化季节的开始，北极海冰抵达了有记录以来的最低水平。
At the beginning of the melt season, Arctic sea ice was at its lowest level ever recorded.
北极海冰正在以比气候模型所预测的快得多的速度融化，为什么？
Arctic sea ice is melting far faster than climate models predict. Why?
该消息是在研究人员报告称北极海冰面积创下历史新低之后发布的。
This news comes after researchers reported a record low amount of sea ice up North.
新的研究表明：北极海冰的熔化速度超过了预期而这应归咎于熔体池。
New research has revealed that melt-water pooling on the Arctic sea ice is causing it to melt at a faster rate than computer models had previously predicted.
然而他指出北极海冰快速融化令人忧虑，证明了对此现象加强科学研究的紧迫性。
However, he said the accelerating melting of Arctic ice is worrisome and it is urgent we strengthen scientific research on the phenomenon.
他还认为，有关北极海冰、海平面图和气温上升之间的相互作用还存在许多未知数。
He also argued that much remains unknown about the interaction between Arctic sea ice, sea level, and temperature rise.
在关于这些的研究和提议上，特别是在北极海冰融化领域上，谁走在前沿？
Who is at the forefront of such research and proposals, especially in the field of Arctic ice melt?
本文综述了北极海冰面积变化与大气遥相关型研究工作中的一些主要结果。
In this paper, sotne results of the study about the variation of the arctic sea ice cover and tcleconnection patterns are synthesized.
上方的这组图片显示了北极海冰范围在2010年9月(左)和2011年3月的对比。
The pair of images above shows Arctic sea ice concentrations for September 2010 (left) and March 2011.
2010年7月1日，国家冰雪数据中心报道，北极海冰面积自6月份起一直在急剧下降。
On July 1, 2010, NSIDC reported that Arctic sea ice extent had continued its rapid decline through the month of June.
北极海冰研究的目的是要求动力系统的计算结果和观测点的对应值越接近越好。
The aim for researching the Arctic sea ice is that the terminal output of this dynamical system will best approximate the corresponding values of the measured points.
国家冰雪和数据中心暗示北极海冰的最小范围持续缩小，可能超过2007年的纪录。
The National Snow Ice and Data Center (NSIDC) has suggested the extent of the retreat in the Arctic's sea ice minimum could rival 2007's record low.
美国国家冰雪数据中心表示，一月份北极海冰面积比平均水平少64.4万平方公里。
The National Snow and ice Data Center said the amount of January sea ice is 644,000 square kilometers below average.
取北极区大气和有关场的气候资料，由该模式模拟了北极海冰空间分布和季节变化循环特征。
The characters in the distribution and Seasonal cycle of arctic Sea ice are Simulated by this model using some climate data at arctic region.
今年夏天北极海冰融化趋势没有像前两年一样强烈，科学家称秋季海冰将会进行年度性恢复。
This summer's melt of Arctic sea ice has not been as profound as in the last two years, scientists said as the ice began its annual Autumn recovery.
对北极海冰的检测表明，今年海冰面积下降到记录以来倒数第二，其体积则已经减少到有记录以来最小。
Measures of Arctic sea ice this year show its area is the second lowest on record, and its volume is the lowest.
由于目前现有的模型对北极海冰融化速度的估计可能不足，所以对北极熊未来命运的估计可能有些保守。
Because the observed trajectory of Arctic sea ice decline appears to be underestimated by currently available models, this assessment of future polar bear status may be conservative.
在过去30年里，由于全球温度升高，导致夏季北极海冰在厚度和范围两方面数值都极具下降（7）。
There has been a dramatic decline in both the thickness and the extent of summer sea ice in the Arctic over the past 30 years driven by a rise in global temperatures (7).
北极海冰面积和北半球极涡面积为明显的正相关，而北半球极涡面积和极涡强度之间的关系就较为复杂。
It is evident positive relative between the Arctic sea ice and the polar vortex area, yet the relation between the polar vortex area and intensity is so complex.
人们为如此大范围的北极海冰流失日渐忧心：北极海冰的完全流失似乎已经无法避免了，至少在夏季是这样。
Such widespread loss of Arctic sea ice has sometimes given rise to the concern that the total loss of Arctic sea ice at least during summer time can no longer be avoided.
人们为如此大范围的北极海冰流失日渐忧心：北极海冰的完全流失似乎已经无法避免了，至少在夏季是这样。
Such widespread loss of Arctic sea ice has sometimes given rise to the concern that the total loss of Arctic sea ice at least during summer time can no longer be avoided.
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