Energy resources and environmental pollution (L14) Flashcards Preview

A2 Environmental studies Unit 3 > Energy resources and environmental pollution (L14) > Flashcards

Flashcards in Energy resources and environmental pollution (L14) Deck (11)
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1
Q

What is noise pollution

A

Unwanted sound that causes disturbance, annoyance or damage

2
Q

What are the effect on humans on loud noise

A
Deafness
Stress
Heart disease
Headaches
aggression
hysteria
3
Q

effects of noise on living organisms

A

Livestock disturbance

Abandoned nests

4
Q

What would the threshold of audibility be if a person has experienced hearing loss

A

Would shift upwards and become narrorew

5
Q

Effects of noise on non-living things

A

Acoustic fatigue - stress cracks to appear in buildings

Structural damage

6
Q

What are the sources of noise pollution

A

Industrial
Transport
Aircraft
Domestic

7
Q

Control of industrial noise

A

Providing ear defenders
Equipment designed to be quieter
Acoustic insulation can be added to equipment
Soundproofing buildings

8
Q

Control of transport noise

A

Quieter vechiles/roads, double glazing
Earth embankmentts
New places away from urban areas

9
Q

Control of domestic noise

A
Keep to reasonable volume
Locate appliances where they'll cause the least damage
Ear defenders
Speaker volume
Control of pets
10
Q

What is the deciBel scale

A

Sensitivity of human hearing - quietest sound is 0 Bel

11
Q

Traffic noise pollution

A

Assumes traffic noise is only a problem between 6am and midnight
Measured during the noisiest 10% of each of these 18 hours