' W9 u6 a3 F7 B! [& }# }COVER A jumble of icebergs forms in front of the heavily crevassed ) s( t G g/ D! D' z/ Kcalving front of Jakobshavn Isbr?, one of the fastest outlet glaciers draining " K6 k7 \, e6 @& Y$ Ythe Greenland Ice Sheet. The ~5-kilometer-wide ice front rises ~80 meters out of . ?6 \: S" A; ~
the water and extends more than 600 meters underwater. Recent research shows 5 v7 C" ^/ | }
that the speeds of Greenland glaciers are increasing. See page 576. Photo: # m& W4 I; Y* v% e
Ian Joughin 0 g8 ~, ?$ L- }- B. l9 n% ]作者: 懵懂干细胞 时间: 2012-5-6 00:00
感谢楼主分享作者: wagumaxida 时间: 2012-5-6 00:39
不知道有没有免疫学相关的- V7 ? {) Y7 D' w6 j) I 作者: tpwang 时间: 2012-5-6 07:19
回复 nero1981 的帖子 ! A9 m T4 O1 M X* y 4 |/ l6 V+ [& {1 n7 Y( fthanks作者: zorro 时间: 2012-5-6 07:41