Arid Climate

Question 1

Where are arid climates found?

Answer 1

30° north and south of the equator

Question 2

What is the maximum air temperature in arid climates?

Answer 2

40°C

Question 3

How much rainfall do arid climates receive annually?

Answer 3

250mm

Question 4

How many people live in the Sahara deset?

Answer 4

2,500,000

Question 5

What is the population density of the Sahara desert?

Answer 5

0.4 people per square km

Question 6

How has the arid climate influenced agriculture?

Answer 6

Agriculture is impossible due to the low rainfall and that rainfall that does occur comes heavily, leading to flash flooding and soil erosion
Water can be drawn from oases and aquifers to irrigate crops
Crops such as cereals can be grown in the shadows of smaller plants such as date palms
Some native people are nomadic, allowing them to graze livestock and vegetation

Question 7

What are the modern solutions to the issues presented by arid climates?

Answer 7

Groundwater irrigation and drip irrigation which minimises evaporation
Major cities, such as Las Vegas are able to develop if there is enough money to invest into obtaining water