4 why do water supplies vary

8
UNIT 2 Why do water supplies vary?

Upload: hfonfe

Post on 17-Jul-2015

62 views

Category:

Documents


3 download

TRANSCRIPT

Page 1: 4   why do water supplies vary

UNIT 2

Why do water supplies vary?

Page 2: 4   why do water supplies vary

Specification detail

5.1d Water surplus and deficit on a world scale, related to global rainfall patterns.

Page 3: 4   why do water supplies vary

Why do water supplies vary

World Water Supply: Here

Page 4: 4   why do water supplies vary

Choropleth mapping

Which areas have the most access to safe drinking water?

Create a key on your map for the following categories:

0-20 20-40 40-60 60-80 80-100

Shade in the areas on your map (using one colour) according to the table

Continent % of population who have access to safe

drinking water

N.America 99

S.America 75

Europe 99

Central Asia 39

North Asia 95

South Asia 59

N . Africa 10

C & S Africa 65

Oceania 99

Page 5: 4   why do water supplies vary
Page 6: 4   why do water supplies vary

Rainfall

Page 7: 4   why do water supplies vary
Page 8: 4   why do water supplies vary

Extension

Describe the distribution of water around the globe

Give reasons for this distribution