“所有主要格陵兰冰川最终于海洋,冰川和潮水控制的90格陵兰排放入海的冰百分之,”利格诺特说。
All major Greenland glaciers end up in the ocean, and tidewater glaciers control 90 percent of the ice discharged by Greenland into the sea, "Rignot said."
没有人非常了解为什么冰架这么迅速的融化,也没人知道格林兰冰架上的一个覆盖6平方千米的融水湖会在24小时内流干——这在2006确实发生了。
No one quite knows why glaciers and ice shelves are melting so fast, or how a meltwater lake on the Greenland ice sheet covering six square kilometres could drain away in 24 hours, as it did in 2006.
兰皮诺认为某些冰碛岩是由流星撞击而产生的,而不是冰川。
Rampino thinks that certain tillites were produced by meteor impacts, not glaciers.
2007年,通常横跨在格林兰岛和埃尔斯米尔岛之间的内尔斯海峡上的冰拱未能形成,这给了海冰从北冰洋流逝的一个额外路径。
Arches of ice that usually span Nares Strait, between Greenland and Ellesmere Island, failed to form in 2007, giving sea ice an additional exit route from the Arctic.
“这些冰比那些厚的多年冰脆弱,”科罗拉多大学科学家詹姆斯·马斯兰尼克说,“也更容易融化。”
"It's weaker than thick, multiyear ice, " says University of Colorado scientist James Maslanik, "and less resistant to melting."
冰正在在全球溶化,特别是地球两极,包括高山冰川,复盖着西南极洲和格林兰的大冰源,和北极的冰海。
Ice is melting worldwide, especially at the Earth's poles. This includes mountain glaciers, ice sheets covering West Antarctica and Greenland, and arctic sea ice.
有些变化是不可避免的,比如格林兰岛大部分冰以及北极冰盖的融化,无法阻止。但如果冰融化速度太快,后果将不堪设想。
Too rapid or too great a warming, though, risks serious, unpleasant and in some cases irreversible changes, such as the melting of large parts of the Greenland and Antarctic ice caps.
南岛西南部的费多兰有许多独特的被水淹没的冰谷。
The Fiordlands in the far south west of the island consist of picturesque flooded glacial valleys.
格林兰单冰核心累集记录说明什么?
What do accumulation records of single ice cores in Greenland represent?
格林兰单冰核心累集记录说明什么?
What do accumulation records of single ice cores in Greenland represent?
应用推荐