CCCH9008 Noise Pollution and Control in HK Two important characteristics of sound or noise Frequency of Sound Sound is the quickly varying pressure wave travelling through a medium. When sound travels through air‚ the atmospheric pressure varies periodically. The number of pressure variations per second is called the frequency of sound‚ and is measured in Hertz (Hz) - cycles per second. Loudness A loud noise usually has a larger pressure variation and a weak one has smaller pressure variation
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Noise Pollution Construction sites‚ highway traffic‚ emergency sirens‚ and barking animals are not just an inconvenience to the ear‚ but what researchers call noise pollution. Disturbing sounds such as these can interrupt sleep‚ a family dinner‚ or any other normal activity‚ and as a result reduces the quality of one’s life. Although it is looked over by many; noise pollution can have serious negative effects on the environment and the human body. The environment is effected greatly by loud sounds
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Background to the study Noise is a disturbance to the human environment that is escalating at such a high rate that it will become a major threat to the quality of human lives. In the past thirty years‚ noise in all areas‚ especially in urban areas‚ has been increasing rapidly. There are numerous effects on the human environment due to the increase in noise pollution. Slowly‚ unresponsively‚ we seem to accept noise and the physiological and psychological deterioration that accompanies it as an inevitable
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THE PROBLEM AND ITS BACKGROUND I. Introduction The word "noise" is derived from the Latin word "nausea" meaning seasickness. Noise can be defined as an unwanted or undesired sound. Decibel is the standard unit for measurement of sound. Usually 80 db is the level at which sound becomes physically painful. With overly populated schools and the increase of average classroom sizes‚ many students suffer from noise pollutants that can be found inside and nearby from their schools
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Running head: NOISE POLLUTION PAGE 1 Noise pollution: Physical effects of noise pollution and governmental restrictions on it NOISE POLLUTION PAGE 2 Physical effects of noise pollution and governmental restrictions on it. “Pollution being the most
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Pollution is the introduction of harmful substances or products into the environment. It is a major problem in America and as well as the world. Pollution not only damages the environment‚ but damages us also. It has cause many problems ranging from lung cancer to the greenhouse effect. It is all among us and but we continue to live in our own filth. What is the reason behind this flawed logic? In this paper I will examine the problems and solutions for this issue. Automobiles are undeniable
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Causes And Effects Essay The Effects Of Noise Pollution Generally‚ Sound is very much important to our daily live‚ but noise is not. Noise is used as an annoying sound. Most of us every time hear the sounds in everyday life‚ likewise the traffic‚ the television‚ ‚ Loud music‚ people talking on their phone and even pets are also shouting in the middle of the night. The whole things of these have come to a part of the culture and hardly annoy us. Moreover‚ noise is made by big trucks‚ household gadgets
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Causes And Effects Of Noise Pollution Noise can be defined as an unwanted or undesired sound. Decibel is the standard unit for measurement of sound. Usually 80 db is the level at which sound becomes physically painful. And can be termed as noise. Humans‚ animals‚ plants and even inert objects like buildings and bridges have been victims of the increasing noise pollution caused in the world. Be it human or machine-created‚ noise disrupts the activity and balance of life. While traffic dons the
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Noise pollution is a disturbance to the human environment that is escalating at such a high rate that it will become a major threat to the quality of human lives. Noises in all areas‚ especially in urban areas‚ have been increasing rapidly. Poor urban planning gives rise to noise pollution Sources of noise pollution The main source of noise pollution is transportation systems especially motor vehicle. The other sources are aircraft noise and rail noise. Besides transportation noise‚ other sources
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Environmental Noise Becca Gillett Thursday December 19th 2013 Noise is a prominent part of our society and causes significant damage to our ears as well as increasing a risk of cardiovascular diseases. The field of environmental noise works to study what devices create the most noise and how we can reduce that noise to therefore reduce the harm done to humans. An increase in the intensity of a noise is the increase in the energy in its sound waves‚ and if this energy gets to a certain point
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