A Critical Review of Global Aircraft Noise Metrics and their Applications

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of_orikpete
of_orikpete
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OF Orikpete
OF Orikpete
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TG Leton
TG Leton
4
O.L.Y. Momoh
O.L.Y. Momoh
1 University of Port Harcourt

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Aircraft noise metrics are used to assess airport and heliport noise impacts on host communities. Airports and heliports host communities need to be carried along to contribute to deliberations, understand proposals, and have their views heard on aircraft noise reduction strategies. People can feel disillusioned by noise metrics that are too complex and do not express what residents experience. Selecting the best noise metric is essential if all aviation stakeholders are to engage meaningfully on modalities for aircraft noise reduction. A single global noise metric that would capture all the factors influencing people’s perception of aircraft noise and produce a definitive measure of annoyance is highly desirable, but such does not exist. Some of these noise metrics are simple but do not include subjective factors in their analysis; others that capture both the objective and subjective aspects of aircraft noise effects are complex and difficult to interpret. In selecting a noise metric to use for the measurement of aircraft noise, it is necessary to strike a balance between precision and simplicity. This paper examines the various noise metrics currently used to assess aircraft noise exposure globally and makes a case for equivalent continuous sound level(L eq ) as the best based on the fact that it is easy to understand and communities can easily relate it to their experiences.

31 Cites in Articles

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

of_orikpete. 2020. \u201cA Critical Review of Global Aircraft Noise Metrics and their Applications\u201d. Global Journal of Medical Research - F: Diseases GJMR-F Volume 20 (GJMR Volume 20 Issue F12): .

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GJMR Volume 20 Issue F12
Pg. 11- 26
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Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

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December 14, 2020

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Aircraft noise metrics are used to assess airport and heliport noise impacts on host communities. Airports and heliports host communities need to be carried along to contribute to deliberations, understand proposals, and have their views heard on aircraft noise reduction strategies. People can feel disillusioned by noise metrics that are too complex and do not express what residents experience. Selecting the best noise metric is essential if all aviation stakeholders are to engage meaningfully on modalities for aircraft noise reduction. A single global noise metric that would capture all the factors influencing people’s perception of aircraft noise and produce a definitive measure of annoyance is highly desirable, but such does not exist. Some of these noise metrics are simple but do not include subjective factors in their analysis; others that capture both the objective and subjective aspects of aircraft noise effects are complex and difficult to interpret. In selecting a noise metric to use for the measurement of aircraft noise, it is necessary to strike a balance between precision and simplicity. This paper examines the various noise metrics currently used to assess aircraft noise exposure globally and makes a case for equivalent continuous sound level(L eq ) as the best based on the fact that it is easy to understand and communities can easily relate it to their experiences.

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A Critical Review of Global Aircraft Noise Metrics and their Applications

OF Orikpete
OF Orikpete
TG Leton
TG Leton
O.L.Y. Momoh
O.L.Y. Momoh

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