Topic
Noise pollution
About: Noise pollution is a research topic. Over the lifetime, 4455 publications have been published within this topic receiving 67192 citations.
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01 Jan 2006
TL;DR: In this paper, a case study is presented, consisting of a large set of microscopic traffic simulations and associated noise emission calculations, which provides some insight into the specific dynamics of the noise emission near different types of intersections.
Abstract: One of the goals of the European IMAGINE project, is to formulate strategies to improve traffic modelling for application in noise mapping It is well known that the specific deceleration and acceleration dynamics of traffic at junctions can influence local noise emission However, macroscopic traffic models do not always model intersections, and if they do, only the influence of intersections on travel time is incorporated In these cases, it would be useful to know what increase or decrease in noise production can be expected at or near intersections A correction factor for road crossings has been suggested in several national noise emission standards The question is open whether such a correction factor should be included in future harmonized methods In this paper, a case study is presented, consisting of a large set of microscopic traffic simulations and associated noise emission calculations, which provides some insight into the specific dynamics of the noise emission near different types of intersections A spatial approach is used, in which inbound and outbound lanes are divided into deceleration, queuing and acceleration zones Results from regression analysis on the numerical simulations indicate that meaningful relations between noise corrections and traffic flow parameters such as traffic intensity and composition can be deduced
18 citations
TL;DR: In 1981, Congress ended funding for the Office of Noise Abatement and Control (ONAC) at the Environmental Protection Agency (EPA) as discussed by the authors, which has stymied noise abatement efforts at both the federal and state level, while noise levels have probably increased.
Abstract: In 1981, Congress ended funding for the Office of Noise Abatement and Control (ONAC) at the Environmental Protection Agency (EPA). Before the elimination of ONAC, EPA engaged in a wide variety of activities to abate noise pollution under the authority of the Noise Control Act and, after 1978, the Quiet Communities Act. Elimination of ONAC’s funding has stymied noise abatement efforts at both the federal and state level, while noise levels have probably increased. Without federal action, little governmental noise abatement activity can be expected. Although Congress has several options to abate noise pollution, funding EPA to implement the NCA is the best solution.
18 citations
TL;DR: The preliminary data indicate that noise levels during inner ear surgery reach levels that can cause noise-induced hearing loss, and the safety and utility of a silicone tube connected to a microphone probe in noise recordings during middle ear surgery is questioned.
Abstract: Conclusion: The use of a silicone tube and a microphone enables peroperative noise recordings in cadavers and should be safe to apply in vivo. Our preliminary data indicate that noise levels during inner ear surgery reach levels that can cause noise-induced hearing loss. Our method is easily performed and enables future uncomplicated and safe noise recordings and we suggest future application in vivo to expand knowledge regarding peroperative noise levels. Objectives: To evaluate the safety and utility of a silicone tube connected to a microphone probe in noise recordings during middle ear surgery and to achieve preliminary results regarding drill-related noise levels. Methods: Peroperative noise recordings were obtained during mastoidectomy and at the round window during cochleostomy in a cadaver model by means of a silicone tube connected to a microphone and a Matlab® computer program. Results: Our method enabled recordings of radiated noise levels close to the drill ranging from 84 to 125 dB SP...
18 citations
TL;DR: In this paper, a track geometry recording car was used to measure rail corrugations and the induced noises were recorded using two particular types of microphones and implemented the method suggested by the ISO 3095 Standard.
18 citations
TL;DR: In this paper, a large and detailed data set was used to examine the influence of airports and airport light paths on housing prices and showed that there exist two distinct measurable price gradients that distinguish large airports from small airports.
Abstract: A large and detailed data set is used to examine the influence of airports and airport light paths on housing prices. The results indicate that individuals consider airport proximity and airport flight patterns in their housing purchases. This shows that there exist two distinct measurable price gradients that distinguish large airports from small airports. In addition, homes located under the flight path of a large airport have a price gradient that is significantly larger than homes located under the flight path of a small airport.
18 citations