Water spheres Flashcards
what are the 4 types of water spheres
- terrestrial
- cyrospheric
- oceanic
- atmospheric
what are the 5 types of cyrospheric water spheres
- ice caps
- ice sheets
- alpine galciers
- permafrost
- sea ice
how does sea ice form
when water in ice cools below 0 degrees
what does sea ice not do
increase sea level
what are ice sheets
mass of glacial ice
where are the 2 major ice sheets
Greenland and Antarctica
where are ice caps found
mountain areas
what are alpine glaciers
thick masses of ice found in deep valleys
what is permafrost
ground frozen for over 2 years
what are the 3 states of atmospheric water
liquid, solid and gas
what is the most common type of atmospheric water
vapour
what does atmospheric water do
reflects, absorbs and scatters incoming radiation, maintaining life
what does the amount of atmospheric water depend on
temperature
what are the 4 types of terrestrial water
- surface water
- groundwater
- soil water
- biological water
what is surface water
-lakes, rivers, wetland
