The Water System Flashcards
(10 cards)
What percentage of the Earth’s freshwater?
-69% is frozen in is liquid freshwater of the cryosphere
-30% is groundwater
-0.3% us stored as water vapour in the atmosphere
Water must be physically and …
Economically accessible for humans to be able to use.
Water can change between…
Solid, liquid and gaseous forms
For water to boil or melt it has to..
Gain energy
For water to condense or freeze, it has to…
Lose energy
Water is continuously cycled between different stores. This is known as…
Global Hydrological Cycle
On a global scale the water cycle is a … system
Closed
The residence time of water in each part of the hydrological cycle determines…
Its impact on the climate
What is the short time (residual time)
The short time spent by water in transit through the atmosphere results in short-term fluctuations in regional weather patterns.
