Water Facts
Where does most of Iceland's water come from?
Groundwater
What percentage of Iceland's water is surface water?
5%
What is the leading source of damage for Iceland's rivers and lakes
agriculture
what is a WSP
a water safety plan
what power produces greenhouse gasses
hydroelectric dams
What is an Aquifer?
a layer of water-bearing rock underground
How can you collect water from aquifers?
through wells
why is land modification for farms bad?
it can change water quality and quantity, and impact ecosystems
how many water supply systems have WSPs
23
What does hydropower come from?
moving water
what is geothermal energy used for?
Heating and electricity
whats an example of a substance that's naturally filtered from the water
calcium, chlorine, nitrate
How many pesticides minimum did they find in 94% of water?
at least one pesticide
what is a water safety plan
a plan to ensure safe drinking water
what is geothermal energy?
energy from heat from underground water
what is one thing that Iceland's water is polluted by?
fertilizer
what is hydropower used for?
heating and electricity
how do fertilizers and pesticides get into our water sources
they get there from runoff from farms
how does mercury contaminate the water
hydroelectric dams collect large amounts
what aspects of rivers can hydroelectric dams change?
physical, biological, or chemical properties
why is Iceland's water so clean?
it runs through layers of lava and rocks
where does drinking water mainly come from?
aquifers
is agriculture good for the environment?
no
how are hydroelectric dams bad for fish
stops fish migration, changes ecosystem
what type of energy does hydropower use
water's kinetic energy