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Noise pollution Paper

Words: 1561, Paragraphs: 14, Pages: 6

Paper type: Essay, Subject: Pollution

Noise pollution is the disturbing or excessive noise that may harm the activity or balance of human or animal life. The source of most outdoor noise worldwide is mainly caused banishes and transportation systems, motor vehicles, aircraft, and Outdoor noise is summarized by the word environmental noise. Poor urban planning may give rise to noise pollution, since side-by-side industrial and residential buildings can result in noise pollution in the residential areas.

Indoor noise is caused by machines, building activities, music performances, and especially in some workplaces. There is no great difference whether noise-induced hearing loss is brought about by outside (e. G. Trains) or inside (e. G. Music) noise. High noise levels can contribute to cardiovascular effects in humans, a rise in blood pressure, and an increase in stress and vasoconstriction, and an increased incidence Of coronary artery disease.

In animals, noise can increase the risk of death by altering predator or prey detection and avoidance, interfere with reproduction and navigation, and contribute to permanent hearing loss. It is extremely important that we understand how sound pollution affects us. Some of us may be suffering from the negative effects of sound pollution and not know it because they dismiss it something trivial when it is actually not. Therefore this page will be dedicated to explaining exactly what noise pollution is about, what causes it, how to calculate sound and how fast it travels.

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Effects Human [edit] Noise pollution affects both health and behavior. Unwanted sound (noise) can damage psychological health. Noise pollution can cause trouble, hypertension, high stress levels,tinnitus, hearing loss, sleep disturbances, and other harmful Furthermore, stress and hypertension are the leading causes to health Sound comes unwanted when it either interferes with normal activities such as sleeping, conversation, or disrupts or diminishes one’s quality of life. [8] Chronic exposure to noise may cause noise-induced hearing loss.

Older males exposed to significant coco optional noise demonstrate more significantly reduced hearing sensitivity than their non-exposed peers, though differences in hearing sensitivity decrease with time and the two groups are indistinguishable by age 79. [9] A comparison of Mbabane tribesmen, who were insignificantly exposed to transportation or industrial noise, to a typical U. S. Population showed that chronic exposure to moderately high levels Of environmental noise contributes to hearing loss. 3] High noise levels can contribute to cardiovascular effects and exposure to moderately high levels during a single eight-hour period causes a statistical rise in blood pressure of five to ten points and an increase in and vasoconstriction leading to authenticated blood pressure noted above, as well as to increased incidence of coronary artery disease. Noise pollution also is a cause of annoyance. A 2005 study by Spanish researchers found that in urban areas households are willing to pay approximately four Euros per decibel per year for noise reduction. 10] Wildlife[edit] Noise can have a detrimental effect on wild animals, increasing the risk of death by changing the delicate balance in predator or prey detection and avoidance, and interfering the use of the sounds in communication, especially in relation to reproduction and in navigation. Acoustic overexposure can lead to temporary or permanent loss of hearing. [1 1] An impact of noise on wild animal life is the reduction of usable habitat that noisy areas may cause, which in the case of endangered species may be part of the path to extinction.

Noise pollution has caused the death of certain species of whales that bigheartedness after being exposed to the loud sound of military 2] (see also Marine mammals and sonar). Noise also makes species communicate more loudly, which is called Lombard vocal response. [13] Scientists and researchers have conducted experiments that show whales’ song length is longer when submarine-detectors are on. [14] If creatures do not “speak” loudly enough, their voice will be masked by anthropogenic sounds.

These unheard voices might be warnings, finding of prey, or preparations of net-bubbling. When one species egging speaking more loudly, it will mask other species’ voice, causing the whole ecosystem eventually to speak more loudly. Marine invertebrates, such as crabs (Carious means), have also been shown to be impacted by ship Larger crabs were noted to be impacted more by the sounds than smaller crabs. Repeated exposure to the sounds did lead to acclimatization. 1 6] 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. 17] The same study showed that daytime noise was a stronger predictor of nocturnal singing than night-time light pollution, to which the phenomenon often is attributed. Zebra finches become less faithful to their partners when exposed to traffic noise.

This could alter a population’s evolutionary trajectory by selecting traits, sapping resources normally devoted to other activities and thus leading to profound genetic and evolutionary consequences. [1 8] CAUSES When one thinks of Unwanted Sounds or Noise Pollution, it always brings to mind images Of transportation vehicles, industrial machinery, construction ties, loud speaker, big events, etc. These are very common or usual reasons of noise pollution in our internal and external surroundings. This article will give you further information about the causes of disgusting noise in our environment. . Public/Private Transportation Vehicle – these are one of the daily causes of noise pollution in our streets, public hi-way, etc. Why? Because in every kind of vehicle it creates disturbing sounds by starting the engines, blowing of horns, playing music from car amplifier, etc. As a result the city has now become exposed from these types of unavoidable and uncontrollable Jose. 2. Industrial Machinery – there are so many various examples of industrial machinery that creates severe disturbing and hazardous sounds to the industrial workers.

The multiple kinds of industrial machinery are huge generators, large compressors, cranes, furnaces, exhaust fans and many more. It is through these objects that adds distractions and complications in our ambiance. 3. Construction Sites – we all know that every construction area uses huge equipments as part of their job like pay loader, crane, cement mixer, bulldozer, etc. These construction items are expected to perform vibrations and loud noise that can affect illnesses to all construction workers. 4. Loud Speaker – using loud speaker in public or private areas like residential, commercial establishment, public market, Concert arena, etc. Can definitely and instantly contributes disturbing sounds in our community or environment. The sounds from the loud speakers can immediately spread in our atmosphere and undoubtedly becomes one of the causes of noise pollution. 5. Big Events – we all love celebrating big events such as birthdays, anniversaries, house parties, festivals. But, do you realize how much noise oh and your special visitors can create unpleasant and very disturbing sounds in your external surroundings or neighborhood? While you and your friends are enjoying your special occasion, your angry neighborhoods are having difficulties in their sleeping hours.

These are the common causes and very prominent distractions in our precious space or environment. But there are still many ways to avoid and to decrease the sounds of these unlikable and harmful sounds in your local area. With a strong understanding about the main cause of noise pollution in your area, you will surely find the perfect solution of this kind of dilemma. Measurement of Sound . The intensity of sound is measured on a scale called decibel scale or db scale. It measures the loudness of sound in terms or relative units of energy or power on a logarithm scale.

The scale starts from O db and is considered as threshold of hearing which the human can hear. A sound of 10 db is ten times louder than O (zero) db and a sound of 20 db is 10 x 10 times louder and likewise a sound of 30 db is 10 x 10 x 10 times louder. Mitigation[edit] Roadway noise can be reduced by the use of noise barriers, limitation Of vehicle speeds, alteration of roadway surface texture, limitation of heavy icicles, use of traffic controls that smooth vehicle flow to reduce braking and acceleration, and tire design.

An important factor in applying these strategies is a computer model for roadway noise, that is capable of addressing local topography, meteorology, traffic operations, and hypothetical mitigation. Costs of building-in mitigation can be modest, provided these solutions are sought in the planning stage of a roadway project. Aircraft noise can be reduced by using quieter jet engines. Altering flight paths and time of day runway has benefited residents near airports.

Industrial noise has been addressed since the asses via redesign of industrial equipment, shock mounted assemblies and physical barriers in the workplace. Legal situated] Main article: Noise regulation up until the asses governments viewed noise as a “nuisance” rather than an environmental problem. In the United States, there are federal standards for highway and aircraft noise; states and local governments typically have very specific statutes on building codes, urban planning, and roadway development. Noise laws and ordinances vary widely among municipalities and indeed do not even exist in some cities.

An ordinance may contain a general prohibition against making noise that is a nuisance, or it may set out specific guidelines for the level of noise allowable at certain times of the day and for certain activities.

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