Short notes on noise control noise pollution article shared by. Air pollution learning module university of illinois. In the following paper, the cause and effects of noise pollution will be presented in some detail. Sound is also created by the radio, tv, washing machine, microoven and so on. In the area of noise pollution, it is the effect of excess noise on humans or animals that will hurt their lives noise pollution refers to the various nonnature sounds that reverberate in the environment and is unpleasant to the ears. Short paragraph on water pollution short essay on the control of water pollution pollution short paragraph short article on water pollution short notes. The indoor sources of noise pollution are loudly played music stereos, radio, televisions, grinding machines, etc. Solar energy and wind energy give people clean ways to power their homes.
A low sound is pleasant whereas a loud sound is unpleasant and is commonly referred to as noise. An excessive amount of noise in the environment is unsafe for living purposes. Noise pollution is therefore the addition of unwanted noise into the atmosphere. Section 2 c of the environment protection act, 1986 defines environmental pollution to. In the past thirty years, noise in all areas, especially in urban areas, have been increasing rapidly. Water pollution is any change in the physical, chemical or biological properties of water that will have a detrimental consequence of any living organism. There are two sources of radiation pollution, namely natural sources and arthropogenic sources. According to odum, noise pollution is the unwanted sound dumped into environment without regard to the adverse effect it may have. Although the longterm effects of noise pollution have not yet been determined as of the time of publication. Consequently, noise pollution is more obvious than the other types of pollution.
Types of pollution effects of various types of pollution. This voluntary, concerted plan is intended to allow the authorities to. Definition, sources and effects of noise pollution. Industrial noise sources in this section, the fundamental mechanisms of noise sources are discussed, as well as some examples of the most common machines used in the work environment.
According to the world health organization, sound levels less than 70 db are not damaging to living organisms. Essay on noise pollution for students in easy words read. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. For the solution of noise problems, it is very convenient to view the system in terms of a source, a path and a receiver, as shown in fig.
Schafer also notes that sound is an expression of power, and as such, material culture e. Shot noise or poisson noise is a type of noise which can be modeled by a poisson process. Pollution is a noise derived from the verb pollute. Some forms of pollution are long lasting while others are shortlived. According to the world health organization, sound levels less than 70 db are not damaging to living organisms, regardless of how long or consistent the exposure is. Pollution is when harmful substances are added in the environment and then change it in a bad way. C write a short note on air pollution in mumbai city. The land pollution is caused by solid wastes and chemicals. Environmental pollution, types, causes, impact and. Noise pollution has several contributors, which include. Upon completion of this unit, students will understand that noise pollution is more than loud noises. Noise pollution is generally defined as regular exposure to elevated sound levels that may lead to adverse effects in humans or other living organisms. Shot noise also occurs in photon counting in optical devices, where shot noise is. Noise pollution can be defined as unwanted or offensive sounds that unreasonably affect our daily activities.
It is defined as sounds, or noises, that are loud, annoying and harmful to the ear. The text discusses what noise pollution is and how it has recently been recognised as harmful to health. The text explores recent empirical evidence into the detrimental effects of noise pollution and presents the w. During mining of uranium, radon gas is constantly released into the air. Technology has begun to solve some pollution problems, and public awareness of the extent of pollution will eventually make government bodies to be more proactive rather than. Water pollution is the contamination of water bodies like oceans, seas, lakes, rivers, aquifers, and groundwater usually caused due to human activities. They often blame the two, three and four wheelers besides commercial units for increasing ambient noise pollution. L10, l50, l90, noise climate nc, equivalent continuous noise level leq, noise pollution level lnp and noise exposure index nei were computed for all zones. Exposure to trafficrelated air pollution and noise exposure contributes to detrimental effects on cardiac function, but the underlying shortterm effects related to their simultaneous personal exposure remain uncertain. Noise pollution is a serious issue for many companies. This ppt contains the information about environmental noise pollution. The sound pressure level generated depends on the type of the noise source, distance from the source to the receiver and the nature of the working environment.
Noise pollution, unwanted or excessive sound that can have deleterious effects on human health and environmental quality. They will also learn what causes hearing damage and that animals, as well as humans, are subject to hearing loss. Noise pollution can be defined to which interfere in the system of communication by perturbations. There are some natural process or human activity which lead to cause noise pollution. In electronics shot noise originates from the discrete nature of electric charge.
Environmental noise pollution is an emerging public policy and environmental concern and is considered to be one of the most important environmental stressors affecting public health. Industry produces lots of noise during the use of mills and other metal gadgets. Noise pollution may be defined as any unwanted electromagnetic signal sound that produces a jarring or displeasing effect and which interferes with human communication, comfort and health. There are five kinds of pollution of the environment. The outdoor sources of noise pollution commonly referred to as environmental noise comes from airplane, machines, trains, vehicles, industries, etc. There are numerous effects on the human environment due to the increase in noise pollution. Pollution is a word that you hear almost every day in the news, at school and in. Noise is the unwanted sound dumped into the environment. Sometimes when you are concentrating on your work then even a mild conversation or whisper sound may become a noise. Any substance that adversely affects the productivity of soil is called a soil pollutant. The outdoor sources of noise pollution commonly referred to as environmental noise comes from airplane, machines, trains, vehicles. In general, pollution is the art of putting contaminants into the environment that will negatively affect it. Write a short note on the harmful effects of noise pollution.
Noise mapping, public health and policy addresses the key debates surrounding environmental noise pollution with a particular focus on the european union. Noise is unwanted sound and covers all sounds which can result in hearing impairment or are harmful to health, or otherwise dangerous. The study reported a statistically significant exposure response for noise and ht reaching a relative risk rr, after adjustment for potential confounders, of 1. Noise pollution is caused by noise when the level of noise gets increased than the normal level in the environment. Noise may not seem as harmful as the contamination of air or water, but it is a pollution problem that affects human health and can contribute to a general deterioration of environmental quality. The present generation and the coming generations have to solve three grave problems, namely, population poverty and pollution if they have to survive. Short article on blue whales featuring research biologist john calambokidis. Environmental pollution usually occurs as a result of energy conversions and the use of resources which leaves their byproducts behind in water, soil or air. The aim is to assess the impact of total inhaled dose of particulate matter and total noise exposure on the variations of electrocardiogram ecg parameters. Pollution whether it is of land, air, water or biosphere, must be reduced as our own survival is at stake. Environmental sound pressure levels can affect the social behavior of people. Students take notes on key idea and write a summary of 200250 words.
Source created by tyra brown, nicole riemer, eric snodgrass and anna ortiz at the university of illinois at urbanachampaign. Noise pollution refers to the disturbing sound that may cause harm to human and animal life sources of noise pollution. Pdf noise pollution is a major problem in cities around the world. Nantes has taken advantage of the opportunities offered by european directive 200249ec to develop an environmental noise prevention plan ppbe, on the basis of noise maps, involving the 24 cities in the nantes metropolitan area. Noise pollution is commonly generated inside many industrial facilities and some other workplaces, but it also comes from highway, railway, and airplane traffic and from construction activities. Some of the main sources of the noise pollution are like noise generated by the road traffic, air craft noise, railroads noise, noise generated by the construction of buildings, highways, city streets, flyovers, etc, industrial noise, noise created in home. Gadgets like food mixer, grinder, vacuum cleaner, washing machine and dryer, cooler, air conditioners, can be very noisy and injurious to health. For perspective, a normal conversation is around 60 decibels, and a jet taking off is around 15o decibels. As a result, atmospheric and water pollution levels were improved significantly in a relatively short period of time. Noise exposure was estimated from predictive models based on 1,900 personal dosimetry measurements. Also, the duration an individual is exposed plays an impact on their health. Pollution simple english wikipedia, the free encyclopedia. Lecture notes environmental pollution causes, effects.
On a special day like festivals, marriage functions, birthday parties etc. Noise pollution essay 4 250 words noise pollution is caused by the high level of unwanted sound in the environment which causes pain. Unpleasant sound causes various disturbances in the natural balance. Sitting in the car in the middle of traffic is 85 decibels and more than. It is one of the more common forms of atmospheric pollution.
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