1.   Also, one photo shows a large object that resembles an iceberg trapped in solid sea ice.

2.   Even in the depths of winter the sea ice is never a complete cover.

3.   How could sea ice come and go so quickly?

4.   Ice monitors have been out drilling and measuring, and already the flat sea ice is strong enough to walk on.

5.   In ocean dynamics studies, important topics are heat storage, circulation and the role of sea ice.

6.   The sea ice is now more than a metre thick.

7.   Their camp was on an island in the ice, and the sea ice moved sometimes.

8.   As the oceans warm, sea ice is shrinking, too.

9.   Atop the sea ice, both seem anything but athletic.

10.   Because ice reflects most light and heat back into space, the exposed water will absorb more heat as sea ice melts, and further add to the warming.