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COVER A jumble of icebergs forms in front of the heavily crevassed 0 m* m$ ?3 [" v* K, k! N ~) V! c
calving front of Jakobshavn Isbr?, one of the fastest outlet glaciers draining 6 O7 r( z0 }! S& G- a( W1 v
the Greenland Ice Sheet. The ~5-kilometer-wide ice front rises ~80 meters out of
: p& {% r# q4 w9 ~/ x# I. nthe water and extends more than 600 meters underwater. Recent research shows * D4 C7 l) @$ @6 O+ O9 D
that the speeds of Greenland glaciers are increasing. See page 576. Photo: $ b8 [2 l4 l$ k: D' V1 m+ ]
Ian Joughin
t/ k7 U7 g! y$ N+ j[hide][/hide] |
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