Poles

Cards (9)

How much of the worlds freshwater is locked in the cryosphere (ice)
over 2/3
What could happen to thermohaline circulation due to excess warming in the arctic?
It could cause release of freshwater from ice, stopping the conveyor belt
When freshwater is released in the N Atlantic, it decreases the salinity of the ocean water
What % of insolation is reflected due to snow and albedo in polar regions?
85%
What is annual precipitation for polar regions?
200mm
What are the main types of rainfall in Polar regions?
Frontal or Orographic (relief)
Spring and Summer causes rapid run off in polar regions
In polar regions, the freeze thaw cycle causes seasonal release of what gases?
biogenic gases
Stores in polar regions include…
Permafrost, frozen lakes and frozen rivers