Water Quality and Management

Play an AI-generated podcast conversation about this lesson

What percentage of the Earth's water is freshwater?

30%

10%

3% (correct)

1%

What is an example of a biotic factor of water quality?

pH level

Presence of fish (correct)

Temperature

Turbidity

What happens to water in urban areas when it flows down storm drains?

It is treated at a wastewater treatment facility

It is used for irrigation

It is released directly into a body of water (correct)

It is stored in a reservoir

What is the term for the highest point or elevation in a watershed that separates one watershed from another?

Divide Signup and view all the answers

What is the result of high levels of nitrates and phosphates in a body of water?

Man-made eutrophication Signup and view all the answers

What is the term for surfaces that do not allow water to penetrate, such as roads and sidewalks?

Impervious surfaces Signup and view all the answers

What is the primary reason why lakes and rivers in countries without wastewater treatment facilities are more polluted?

Lack of wastewater treatment Signup and view all the answers

What is an example of a point source pollution?

Industrial waste discharge from a factory Signup and view all the answers

What is the result of man-made eutrophication in a body of water?

Formation of a dead zone Signup and view all the answers

Why is high turbidity an indicator of poor water quality?

It reduces the amount of light that can penetrate the water Signup and view all the answers

What is the primary impact of impervious surfaces on the water cycle?

Increased runoff rates Signup and view all the answers

What is the primary function of a particular molecule in the atmosphere?

To block harmful ultraviolet rays from the Sun Signup and view all the answers

What is the result of non-point source pollution on a body of water?

Decreased dissolved oxygen levels Signup and view all the answers

What is the main reason why drinking bottled water is unsustainable?

It uses a large amount of plastic Signup and view all the answers

What is the process by which water is stored underground and can be tapped and brought to the surface?

Groundwater storage Signup and view all the answers

What is the term for natural places where groundwater comes to the surface?

Springs Signup and view all the answers

What is the primary cause of deep ocean currents?

Thermohaline circulation Signup and view all the answers

What is the result of the conveyor belt model of ocean water circulation?

Warmer water is circulated to the poles Signup and view all the answers

What is the effect of salinity on the density of water?

It increases the density of water Signup and view all the answers

What is the main characteristic of upwelling waters?

They are cold and nutrient-rich Signup and view all the answers

What is the primary reason for the formation of gyres in the ocean?

The Coriolis Effect Signup and view all the answers

What is the main factor that influences the movement of ocean water vertically?

Upwelling Signup and view all the answers

What is the primary purpose of sonar in oceanography?

To determine the depth of the ocean Signup and view all the answers

What is the process that results in the formation of barrier islands?

A combination of wind and waves Signup and view all the answers