Hydrosphere

Question 1

% of salt water?

Answer 1

97%

Question 2

% of fresh water?

Answer 2

3%

Question 3

% of ice gaps?

Answer 3

69%

Question 4

Ground Water?

Answer 4

29% (underground)

Question 5

% of accessible surface fresh water?

Answer 5

1%

Question 6

What are some kinds of surface water?

Answer 6

lakes, soil, moisture, rivers, water vapors

Question 7

What are the key points of the hydrolic cycle? (4)

Answer 7

• precipitation –> rain, snow, hail
• process of Distillation
• Runoff vs Infiltration
• reservoirs : which are affected? streams & lakes, snow & glaciers

Question 8

Watershed: How does the water network flow?

Answer 8

From highest to lowest points

Question 9

(Watershed) What does each colour mean?

Answer 9

Each colour is a different watershed, which is determined by the relief and the rock type. They include surface + ground water. The flatter the land, the longer it takes for the water to move.

Question 10

What happens to water tables?

Answer 10

They rise or reduce

Question 11

What are aquifers?

Answer 11

Large bodies of water. It is the real term for ground water

Question 12

Water table is the surface of what?

Answer 12

The body of water

Question 13

What is desertification?

Answer 13

A persistent degradation

Question 14

How can aquifers decrease? (2)

Answer 14

• water table is going down
• overpumping –> with respect to the qty of precipitation, if we pump too much, we can reduce precipitation

Question 15

Where fresh water is plentiful, other water issues may arise, such as?

Answer 15

• pollution : industrial (factories), municipal (schools/house –> sink, shower, etc.), agricultural/farm (pesticides/fertilizer/manure)

Question 16

What is the connection between pollution and too much?

Answer 16

Pollution = too much, which is the problem, too much for the environment
*Cuba ex.: organic agriculture