Pollution Types
Pollution from one single source (like a pipe)
What is point-source pollution?
Pollution from many sources like runoff
What is nonpoint-source pollution?
Example: oil from parking lots entering water
What is nonpoint-source pollution?
Pollution that raises water temperature
What is thermal pollution?
Why is nonpoint pollution hard to control?
What is it comes from many scattered sources?
Water found in rivers, lakes, and oceans
What is surface water?
Land area where all water drains to one place
What is a watershed?
What is when surface water and groundwater sources are REplaced by rainfall?
Recharge Zone
Network of rivers and streams
What is a river system?
Why is surface water easier to pollute?
What is it is exposed to the atmosphere?
Water stored below Earth’s surface
What is groundwater?
Underground layer that stores water
What is an aquifer?
Spaces in soil/rock that hold water
What is porosity?
Ability of water to move through soil
What is permeability?
Which matters more for water flow- permeability or porosity?
Permeability matters more for movement
Process of removing salt from seawater
What is desalination?
Used water that must be treated
What is wastewater?
Structure that holds back water
What is a dam?
Area where water refills an aquifer
What is a recharge zone?
Why are algae blooms bad for pond ecosystems?
What is oxygen levels decrease and plants and animals suffocate
Water safe to drink
What is potable water?
A disease-causing microorganism
What is a pathogen?
Large stored body of water behind a dam
What is a reservoir?
Nutrient pollution is causing algae blooms
What is eutrophication?
Why do top predators have more toxins?
What is biomagnification?