Geography Theme 2 - Drought Flashcards
1
Q
Drought
A
a long period of time with little precipitation
2
Q
Affects of drought
A
- No watering of gardens
- No car washing
- a number of public fountains are turned off
- No filling of private swimming pools
- Fines for illegal water use.
3
Q
Causes of droughts
A
- Stable air conditions = little or no rain
- World air masses are changing slowly to bring different water conditions.
- Demand has increased for water supplies, especially in richer countries.
4
Q
Large scale multi-purpose Water Schemes -
Damming or creation of a huge lake
A
\+ve Prevention of flooding Provision of water for farms and houses generation of electricity attraction of secondary industry.
5
Q
Large scale multi-purpose Water Schemes -
Damming or creation of a huge lake
A
-ve
Drowning of settlements under the lake
Reduction in natural supply of fertiliser to farmland
Reduction in water supply further downriver
Destruction of land and river habitats
Expensive to set up and operate
6
Q
Affect on people in poorer countries
A
Diseases - Dysentry etc
Farm crops fail