北极融冰加速 东北西北航道12万年来首次打通
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卫星图片显示今年北极融冰范围相对去年(红线范围)扩大许多。
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北冰洋中的北极熊,为登上日渐缩小的冰面,可能会精疲力竭而死。
最新卫星图片显示,由于北极冰层加速融化,北冰洋西北及东北航道日前“打通”,代表人类史上首次可绕过北极航行。
据香港《文汇报》消息,摄于上月29日的卫星图,证明北极冰层融化已进入非常恶劣的时期。美国国家冰雪数据中心(NSIDC)专家塞雷泽形容这一发现是
“历史性事件”,NSIDC上星期经已警告,今年北极的融冰范围比2005年多出20万平方英里,是历来融化最严重的一年。
东北航道在当年已开通,但当时西北仍保持冰封。但上周西北航道打通,令两条航道自12.5万年前的冰河时期以来,首次同时“打通”。
德日航距 缩短逾6000公里
塞雷泽认为,基于安全理由,官方暂不会鼓励船只取道该区。然而,各大航运公司却早已引颈以待,因为新航道将可大大缩减全球航运距离。德国不来梅的布鲁格船务有限公司,已准备在明年利用西北航道由德国前往日本,据报此程将可节省达4000英里(约6437公里)。
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