Sea ice Flashcards
1
Q
pack ice
A
not attached to shore, drifts with wind and currents
2
Q
fast ice
A
attached to the shore or ocean floor, does not move
3
Q
floe
A
separate patch of sea ice greater than 20m across
4
Q
lead
A
long, linear areas of open water ranging from meters to km wide. allows heat exchange btw atm and ocean.
5
Q
polynya
A
irregular shaped area of persistent open water, sustained by winds of heat
