Lecture 16

Question 1

Meridonal flow

Answer 1

Jet streams occur in the late fall nd winter, warm air pulses

Question 2

Frazil Ice

Answer 2

First to from. Small shards of pure ice that from once the water goes below freezing point.
-Floats and accumulates on the surface.

Question 3

Pancake Ice

Answer 3

formed by either an amalgamation or round edged ice chunks up to 3 meters in diameter, or chucked of congealed slush.

Question 4

Grease Ice

Answer 4

The ice has an oily clear sheen to it. Very thin, smooth layer of ice.

Question 5

Nilas

Answer 5

A thin elastic crust of ice that is bedazzle and is able to move worth he waves. Nilas can be light or dark.

Question 6

Sheet Ice

Answer 6

thickened accumulations of sea ice that begin to take over a large contiguous area.

Question 7

Polynia

Answer 7

An open water surrounded by sea ice. Kept open through warmer water upwellings.

Question 8

First year sea ice

Answer 8

formed one year and during the summer it melts.

Question 9

Multi-year sea ice

Answer 9

ormed though accumulations over a number of years, and more is usually added than melts in a summer

Question 10

Fast Ice

Answer 10

Ice that is frozen fast to the bed or shore region. Fast ice does not move

Question 11

Drift Ice

Answer 11

Ice that drifts with the wind and ocean currents

Question 12

Ice Fields

Answer 12

A single unit of ice that is larger than 10km across

Question 13

How to find out how deep the ice is

Answer 13

drill a hole to fly an aircraft/satellite over the ice