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3.4 Often too little
3.4 Often too little
Part 1
1 / 20
volgende
Slide 1:
Tekstslide
Aardrijkskunde
Middelbare school
vmbo t, mavo, havo, vwo
Leerjaar 2
In deze les zitten
20 slides
, met
tekstslides
en
3 videos
.
Lesduur is:
45 min
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3.4 Often too little
Part 1
Slide 1 - Tekstslide
Learning outcomes
1. You know that water stress can arise from physical water shortage and economic water scarcity.
2. You understand why increasing water stress can lead to a water war.
3. You can assess a number of measures to alleviate water stress.
Slide 2 - Tekstslide
Slide 3 - Video
What could be a reason for
water scarcity
?
Slide 4 - Tekstslide
1. Climate warming: more drought
2. Population growth: more water consumption per person
(especially in rich countries)
Slide 5 - Tekstslide
Water stress
All problems that arise due to shortage of clean water.
This can lead to conflicts.
Slide 6 - Tekstslide
Why is there "stress" in North-Africa and China?
Slide 7 - Tekstslide
water stress
physical water shortage
Too little water in an area to meet the needs of residents without disrupting nature.
economic water shortage
Too little invested in an area to bring water to the area.
Slide 8 - Tekstslide
Kan er door
waterstress
een
wateroolog
ontstaan?
Could
water scarcity
cause a
water war
?
Slide 9 - Tekstslide
Water war
Armed conflict between two countries involving water.
Cause:
1. Shortage of drinking water
2. Shortage of irrigation water
Slide 10 - Tekstslide
3.4 Often too little
Part 2
Slide 11 - Tekstslide
Slide 12 - Video
Learning outcomes
1. You know that water stress can arise from physical water shortage and economic water scarcity.
2. You understand why increasing water stress can lead to a water war.
3. You can assess a number of measures to alleviate water stress.
Slide 13 - Tekstslide
Slide 14 - Video
How can you safe water?
1. Hold on to what you have.
2. Use less.
Slide 15 - Tekstslide
Think of three advantages of dams and three disadvantages of dams
Slide 16 - Tekstslide
You can retain water behind a dam.
Concrete or earthen wall in a river behind which the water is held.
Advantages of dam:
1. Regulate water level downstream.
2. Generate electricity.
3. Supply of drinking and irrigation water.
Slide 17 - Tekstslide
Disadvantages of dam:
1. Forced relocation of residents.
2. Reservoir silts up after a while. As a result, it is no longer a real river in the long term.
3. Breakthrough by earthquake, wall of water towards inhabited world.
4. Unfair distribution of water.
Slide 18 - Tekstslide
Use less water:
1. Use better irrigation techniques (drip irrigation)
2. Encourage households and businessess to use less and reuse more.
Slide 19 - Tekstslide
HW GEO
make the ex
Slide 20 - Tekstslide
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