红色代表变暖的趋势：融冰期提早，封冻期后延，融冰季节变得更长。
Red indicates trends consistent with warming: earlier melt onset, later freezes, and longer total melt season.
下面图表的数据显示融冰期天数的年际变化很大，但是融冰期逐渐增长[念:chang]的趋势显而易见。
The graph below the figures illustrates how the length of the melt season varies significantly from year to year, but the long-term trend is clear.
最近，美国国家航空航天局（NASA）以及国家冰雪数据中心(NSIDC)的科学家从另一个角度描述了北冰洋海冰的这种变化，即（该地区）夏季融冰期正在显著的变长。
Recently, scientists from NASA and the National Snow and Ice Data Center described another way Arctic sea ice is changing: the summer melt season is getting significantly longer.
最近，美国国家航空航天局（NASA）以及国家冰雪数据中心(NSIDC)的科学家从另一个角度描述了北冰洋海冰的这种变化，即（该地区）夏季融冰期正在显著的变长。
Recently, scientists from NASA and the National Snow and Ice Data Center described another way Arctic sea ice is changing: the summer melt season is getting significantly longer.
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