noise pollution 2017
TRANSCRIPT
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NOISE POLLUTIONNOISE POLLUTION
SCHOOL OF LIFE SCIENCEUNIVERSITY OF HYDERABAD
GAURAV KUMAR PANDIT
Tuesday , Feb. 15 , 2017
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DJ NIGHT AT UNIVERSITY OF HYDERABAD
We can enjoy some sounds as music.However, sound can also be
annoying noises.
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Enjoying a sunny spot and a cool cocktail , Austin Dog Rescue foster Jayla gets the weekend off
Reference
Dogs, cows a
lso prefer c
lassical m
usic,
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Wednesday, Feb 15, 2017
Reference
EFFECT OF MUSIC ON PLANT
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SOUND VS NOISE
What is noise pollution?WHO Guidelines :
Noise is unwanted sound.
Sound is a vibration that propagates as a mechanical wave of pressure and displacement, through some medium
Noise pollution refers to a type of energy pollution in which distracting, irritating or damaging sounds are freely audible
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Sources of noise pollution
DomesticStreet traffic Rail roadsAirplanesConstructionsConsumer products
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1. Environmental noise A. Transportation Noise B. Domestic Noise2. Occupational Noise
WHO Guidelines WHO defined environmental noise as “noise emitted from all sources except for noise at the industrial workplace”.
EC Directive European Union (EU) Directive 2002/49/EC on the management of environmental noise defines environmental noise as “unwanted or harmful outdoor sound created by human activities
Classification of Noise Pollution
Ref. :http://www.euro.who.int/__data/assets/pdf_file/0008/136466/e94888.pdf
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I ) Environmental NoiseA.Transportation Noise
Reference :Google Images
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There are many people but less space in Hong Kong. We live in a
densely-populated city.Noise pollution is serious.
Reference :Internet &Google Images
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B. Domestic NoiseI ) Environmental Noise
There are many loud sounds in our surroundings, including some of the objects we often use.
Ref. : Google image
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II ) Occupational Noise
Ref. : Google image
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soft whisper (25 dB)very quiet sound
the lowest sound level that can be heard
Sound level and human’s perception
breathing sound (10 dB)quiet
– 0– 10– 30– 60– 80– 100
examplesound
level (dB)perception
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examplesound
level (dB)perception
quiet
– 0– 10– 30– 60– 80– 100
soft conversation in libraries (30 dB)
acceptablenormal conversation (60 dB)
Sound level and human’s perception
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quiet
– 0– 10– 30– 60– 80– 100
acceptable
noisy busy traffic (70 dB) alarm clock (80 dB)annoying
examplesound
level (dB)perception
Sound level and human’s perception
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quiet
– 0– 10– 30– 60– 80– 100
noisy
very noisydamage our ears
crying baby (100 dB)passing train (90 dB)
examplesound
level (dB)perception
Sound level and human’s perception
acceptable
annoying
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– 0– 10– 30– 60– 80– 100
road drilling (120 dB)disco (110 dB)
examplesound
level (dB)perception
Sound level and human’s perception
quiet
noisy acceptable
annoying
very noisydamage our ears
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– 0– 10– 30– 60– 80– 100
rocket taking off (190 dB)jet plane taking off (130 dB)
examplesound
level (dB)perception
Sound level and human’s perception
quiet
noisy acceptable
annoying
very noisydamage our ears
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The following photos show two different kinds of decibel meters:
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Effects of Noise PollutionEffects on Human
Effects on Animals
Effects on Environment (Vegetation, Property)
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Problems of Noise Pollution
Hearing Impairment
It Decreases the Efficiency of A Man
Lack of concentration
Abortion is caused
Pupil Dilation
Mental Illness
It Causes Heart Attack
Digestive problems
Temporary or permanent Deafness
Aggressive Behavior
Effect on Vegetation Poor Quality of Crops
Effect on Animal
Effect on Property
Sleep interference
Speech interference
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Effects on Human
Aggressive Behavior
Deafness Sleep interference
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EFFECT ON BEACHED WHALE
One of the best known damage caused by noise pollution is the death of certain species of beached whales, brought on by the loud sound of military sonar.
Andaman coast, in 22 October 2012Ref. : https://neptune911.com/2013/01/26/40-whales-die-from-possible-sonar-testing/
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EUROPEAN ROBINS
European Robins living in urban environments are more likely to sing at night in places with high levels of noise pollution during the day, suggesting that they sing at night because it is quieter, and their message can propagate through the environment more clearly.
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Control of Noise Pollution
Control at SourceControl in the Transmission PathUsing Protective Equipment
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Legistation Noise Regulation Rules under the
Environment (Protection) Act of 1986. Features Industrial- 75db Commercial- 65 db Residential zones- 55 db Zones of silence No public address system after 10:00 pm and before 06:00 am.
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Symptoms of occupational hearing loss Feeling of fullness in the ear.
Sounds may seem muffled.
Cannot hear high frequency sounds.
Ringing in the ears while listening to the high frequency sounds.
Loud noise for a long period of time, or sudden burst of sound can cause occupational hearing loss.
Hearing that does not return after an acute noise injury is called a permanent threshold shift.
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According to an investigation done by a group of Australian scientists
in 1998:Wear headphones to listen to music for more than 6 hours a week, the sense of hearing will
decrease by 30 years.
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CONCLUSION…
To protect healthy life, there is an urgent need to come up with an enforceable law on Noise Pollution in each state.
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REFERENCE
J. Ornithol. 144, 295-306 (2003) © Deutsche Ornithologen-Gesellschaft/Blackwell Verlag, Berlin ISSN 0021-8375
http://eschooltoday.com/pollution/noise-pollution
http://www.euro.who.int/__data/assets/pdf_file
http://www.euro.who.int/en/health-topics/environment-and-health
https://www.epa.gov/laws-regulations
https://www.government.nl/topics/noise-nuisance
https://www.georgiastandards.org/Georgia-Standards/Frameworks
https://mic.com/articles/92571/scientific-studies-on-animals http://www.austinchronicle.com/features/2017-02-10/austins-most-
eligible-dogs
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ACKNOWLEDGMENT
DR.IRFAN A.GHAZI
DR.J. M. PRAKASH
PROF.C.H.VENKETRAMANA H.O.D DEPARTMENT OF PLANT SCIENCE
DR.RAHUL KUMAR
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BE CAUTIOUS FROM TODAY
THANKS
THANKS
While the government has spent a lot of money on noise control,
As responsible citizens, we have the responsibility to help reduce noise pollution.