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Health effects from noise Noise pollution affects both health and behavior. Unwanted sound noise can damage physiological health. Noise pollution can cause hypertensionhigh stress levels, tinnitushearing loss, sleep disturbances, and other harmful effects.
Occupational hearing loss is one of the most common work-related illnesses in the U. Indeed, tolerance for noise is frequently independent of decibel levels. However, Murray Schafer's soundscape research was groundbreaking in this regard.
In his eponymous work, he makes compelling arguments about how humans relate to noise on a subjective level, and how such subjectivity is conditioned by culture.
Other key research in this area can be seen in Fong's comparative analysis of soundscape differences between Bangkok, Thailand and Los Angeles, California, US.
Fong's research methodology was modeled after Schafer, and the research findings show how not only do soundscapes differ, but they also rather explicitly point to the level of urban development in the area; that is, cities in the periphery — in Immanuel Wallerstein-speak — will have different soundscapes than that of cities in the core.
Fong's important findings tie not only soundscape appreciation to our subjective views of sound, but also demonstrates how different sounds of the soundscape are indicative of class differences in urban environments. An impact of noise on wild animal life is the Habitat 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 may have caused the death of certain species of whales that beached themselves after being exposed to the loud sound of military sonar. These unheard voices might be warnings, finding of prey, or preparations of net-bubbling.
When one species begins speaking more loudly, it will mask other species' voice, causing the whole ecosystem eventually to speak more loudly. Marine invertebrates, such as crabs Carcinus maenashave also been shown to be negatively affected by ship noise. Repeated exposure to the sounds did lead to acclimatization.
Anthropogenic noise reduced the species richness of birds found in Neoptropical urban parks. 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.
A man inserting an earplug in his ear to reduce his noise exposure Main article: Noise control The Hierarchy of Controls concept is often used to reduce noise in the environment or the workplace.
Engineering noise controls can be used to reduce noise propagation and protect individuals from overexposure. When noise controls are not feasible or adequate, individuals can also take steps to protect themselves from the harmful effects of noise pollution.
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If people must be around loud sounds, they can protect their ears with hearing protection e. These programs promote the purchase of quieter tools and equipment and encourage manufacturers to design quieter equipment. Roadway noise can be reduced by the use of noise barrierslimitation of vehicle speeds, alteration of roadway surface texture, limitation of heavy vehiclesuse 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 noisethat is capable of addressing local topographymeteorologytraffic 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.WAC Summary Our Ecology website has changed, which can cause broken links. To report these, please contact us with the publication and broken link.
Scope And Limitation Of Air Pollution [pic]! [pic] ‘I’ll go out for a breath of fresh air’ is an often-heard phrase.
But how many of us realize that this has become irrelevant in today’s world, because the quality of air in our cities is anything but fresh. Satellite observation of air pollution allows for wider geographical scope, and in doing so can facilitate studies of air pollution's effects on natural capital and ecosystem resilience.
Scope and Limitations of the Study To put it simply, this research website will be about Biñan and it’s problem with pollution. It will deal with land, air, water, radiation, and noise pollution that are present in .
Environmental Quality Board’s Scope of Authority Determined Under State Law. Removing any selenium requirement violates anti-backsliding as a less stringent effluent limitation.
See Federal Water Pollution Control Act, 33 U.S.C. § (o) (). Even if EQB extended the compliance schedules, EPA may still veto the modifications.
The major limitation of this study is to integrate the simulated traffic and vehicle emissions. The mobile-source data could be an effective solution; however, estimation of traffic-related pollutants during a long-period of time for different scenarios on a large geographical area is very difficult to attain.