Geography Flashcards
What is a cold enviroment made out of
Glaciers are made mainly of snow that has been compressed and compacted over centuries to form thick ice masses.
Rocks and sediment can also be found in glaciers.
Where are glaciers found
An average annual temperature of around 0oC.
Lots of snow in the winters.
At no point in the year are temperatures high enough to melt all the snow that fell in the last winter.
How large are continenil ice sheets
Continetal ice sheets spred over very large areas
Where do alpline glaciers flow
They flow down the mountin
How many typses of glaciers are there
There are two types of glaciers
What are the two typs of glaciers
Ice sheets and alpine glaciers
How much fresh warter is held in glaciers
75% of fresh warter
How many contrys have glaciers
42
What percentige of land on earth is coverd by glaciers
10%
What is the zone of accumination
The zone of accumulation is when a glacier gains more ice than it loses in a year.
What is the zone of abration
Abration is anouther word for melting this happens when the glacier losses more ice than gains ice in a year.