1.2 - Capturing Flow

Question 1

What term is used to represent the lack of availability of water resources to meet the demand for water?

Answer 1

Scarcity

Question 2

Give two types of water scarcities.

Answer 2

Physical and Economic

Question 3

Fill in the blank:

Water-stressed countries are areas that have less than ______ m^3 of water per person per year.

Answer 3

1700

Question 4

Fill in the blank:

25% of the world’s population rely on ______ as a source of water.

Answer 4

Aquifers

Question 5

True of false:

Unconfined aquifers are better than confined aquifers at storing water.

Answer 5

False

Question 6

What human activity uses the most water (60%) worldwide?

Answer 6

Agriculture

Question 7

What is the name of the aquifer that lies underneath eight states (including Colorado)?

Answer 7

Ogallala Aquifer

Question 8

What is the name of the lake California use to store their water and where is it located?

Answer 8

Lake Mead located in Arizona

Question 9

True or False:

Beef is 10 times the water cost than rice.

Answer 9

True

Question 10

Fill in the blanks:

______ and porous ________ are very permeable rocks that store water well.

Answer 10

Chalk

Sandstone

Question 11

Fill in the blank:

Water-scarce countries are areas that have less than ______ m^3 of water per person per year.

Answer 11

1000

Question 12

Give the formula for mass balance change.

Answer 12

Water in - Water out