Noise pollution

Introduction about noise pollution: sources, effects and control.

1. NOISE POLLUTION Presented by: Arifa Shams Syyeda Urooj

2. Noise Pollution Noise pollution refers to undesirable sound. Sound which generates horrible discomfort on ear. Also known as Environmental noise or Sound pollution.

3. NOISE Noise Any unwanted sound that do not need or want to hear. It is measured in decibels dB Average noise level is 97.60dB Normal speech has a sound level of approximately 60dB Sound above 120dB can cause discomfort to ears

4. TYPES OF NOISE POLLUTION Continuous Noise Intermitted Noise Impulsive Noise Low Frequency Noise

5. TYPES OF NOISE POLLUTION Continuous Noise Noise that produced continuously without interruption This could came from factory equipments Heating system Ventilation system

6. TYPES OF NOISE POLLUTION Intermitted Noise It is a mix of quiet and noisy periods Most manufacturing noise is intermitted Noise level increases or decreases rapidly

7. TYPES OF NOISE POLLUTION Impulsive Noise Commonly associated with construction and demolition industry Created by explosion construction equipments such as pile driver

8. TYPES OF NOISE POLLUTION Low Frequency Noise Sounds lower in frequency than 20Hz

9. CAUSES OF NOISE POLLUTION Industrialization Poor Urban Planning Social Events Transportation Construction Activities Household Chores

10. CAUSES OF NOISE POLLUTION Industrialization Most of the industries use big machines which produced large amount of noise Various E quipments like Generators, Exhaust Fans Grinding Mills also produce big noise

11. CAUSES OF NOISE POLLUTION Workers in industries and factories wear ear plugs to minimize the effect of noise

12. CAUSES OF NOISE POLLUTION Poor Urban Planning In most developing countries poor urbanization also play a vital role in noise pollution which disrupt the environment of society Congested Houses Large families share small houses

13. CAUSES OF NOISE POLLUTION Social Events Noise is at its peak in most of social events people play sounds on full volume makes the condition of people living nearby pretty worse Weather it is marriage, parties, worship places loud sound in markets

14. CAUSES OF NOISE POLLUTION Transportation large number of vehicles on roads, airplanes flying over houses, underground trains produced heavy noise

15. CAUSES OF NOISE POLLUTION Construction Activities under construction activities like mining, construction of bridges, dams, building, stations , roads, flyovers take place everyday to reduce traffic congestion

16. CAUSES OF NOISE POLLUTION Household Chores We are surrounded by gadgets and use them extensively in our daily life Gadgets like: TV, Mobile, Mixer grinder, Pressure cooker, vacuum Cleaner, Washing Machine, Dryer and Air Conditioners are minor contributions to noise but affects the quality of life.

17. EFFECTS OF NOISE POLLUTION Hearing Problems Health Issues Sleeping Disorders Cardiovascular Disease Communication Problems Effects On Wildlife

18. EFFECTS OF NOISE POLLUTION Hearing problems Any unwanted sound that our ear have not been built to filter can cause problems within body Our ears can take a certain range of sound without getting damaged Man made noises such as jackhammers, horns even vehicles can also be too loud for hearing range

19. EFFECTS OF NOISE POLLUTION Constant exposure to loud sounds can easily result in the damage of our ear drums and loss of hearing

20. EFFECTS OF NOISE POLLUTION Health Issues Excessive noise pollution in working areas such as offices, construction sites, bars and even in homes can influence psychological health. Studies show that occurrence of aggressive behavior, disturbance of sleep, constant stress, fatigue and hypertension are linked to excessive noise level C an cause more severe and chronic health issues

21. EFFECTS OF NOISE POLLUTION Sleeping Disorder Noise can certainly hamper your sleeping pattern and may lead to irritation and uncomfortable situations

22. EFFECTS OF NOISE POLLUTION Cardiovascular Issues Blood pressure levels and stress related to heart problems are on rise due to noise pollution High intensity noise cause high blood pressure and increase heart beat rate as it disrupt normal blood flow

23. EFFECTS OF NOISE POLLUTION Communication problems high decibel noise can put trouble and may not allow people to communicate freely this may lead to misunderstanding Constant sharp noise can give you headache and disturb your emotional balance

24. EFFECTS OF NOISE POLLUTION Effect On Wildlife Wildlife faces more problems than humans because they are more dependent on sounds. Animals have a better sense of hearing than us since their survival depends on it. Pets react more aggressively in household where there is constant noise

25. EFFECTS OF NOISE POLLUTION Species that depend on mating calls to reproduce are often unable to hear there calls due to extreme man made noise Some animals require sound waves to echo locate and find their way when migrating disturbing their sound signals m eans they get lost easily.

26. NOISE POLLUTION CAN BE CONTROLED There is no any solution to reduce noise pollution On personal level everybody can help reducing noise in their homes by lowering the volume of the radio, music system and television Removal of public loudspeakers is another way

27. NOISE POLLUTION CAN BE CONTROLED Controlling sound levels in clubs, bars, parties and disco Better urbanization can help to reduce noise Machines can be placed away from residential areas Moving away from noisy areas.