Affects of noise pollution

Made by Yumi

Outline

Introduction

Main point: a. affect marine animals

b. affect health & hearing power

c. affect working efficiency

Conclusion

Reference

Introduction

• What is noise pollution ?

Noise Nauseas (Latin word)

disgust & discomfort

• Sound VS Noise

Sound: a form of energy that is transmitted by pressure variations which the human ear can detect.

Noise: unwanted sound

Sound waves of equal amplitude with increasing frequency from top to bottom

Noise intensity

is measured in

decibel units

The source of noise

Transportations & Industry

Main point 1Having effects on animals

Damage the nervous system of the animals

e.g decrease a cow's capacity of milk production

15% 1999-2001

Having a negative impact on the

whole marine animals about food chain

oil-drilling

Main point 2Affecting the general health and hearing power of the human beings

Getting certain diseases like blood pressure, mental illness and bad sleep

hearing impairment, hypertension, ischemic

heart disease, annoyance & sleep disturbance.

Having hearing difficulties

• damage to hair cells

Main point 3

Decreasing in the efficiency of working

Affecting the concentration required for doing a work

People need to devote more time to complete their task which lead to tiredness and fatigue because of lack of concentration

Conclusion

Noise pollution the risk role in our life

How to reduce the noise pollution by yourself?

Understand what causes noise pollution

avoid the noise pollution by yourself :

Do not use car horns unnecessarily.

Avoid loud music

Wearing earplugs to prevent loss of hearing.

Better off, walk or cycle to school

ReferenceNicks J; 2012.03; Noise pollution effects

Retrieved from

http://www.buzzle.com/articles/noise-pollution-effects.html

Popper A.N ; 2012 ;The effects of noise on aquatic life

Retrieved from http://books2.scholarsportal.info/viewdoc.html?id=/ebooks/ebooks2/springer/20

12-05-29/2/9781441973115

Phillips S; 2012.7; Five unfashionable environmental issues

Retrieved from

http://www.abc.net.au/environment/articles/2012/06/05/3518659.htm

Turner, J.G ; 2005.2 ;Hearing in Laboratory Animals: Strain Differences and Nonauditory Effects of Noise

Retrieved from

http://www.ingentaconnect.com/content/aalas/cm/2005/00000055/00000001/art00002

THANK YOU

For protecting health, please be far away from noise

pollution.