Non-Acoustic Measures to Handle Community Response to the Noise Around Airports

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Table of Contents

Introduction
Sustainability Problems Associated with Noise
Management Functions and Noise Management
Business Threats and Opportunities and the Issue of Noise
Conclusion
Reference List

Introduction

Any unwelcome or upsetting sound that interferes with people’s and other species’ health and well-being is referred to as noise pollution. Some of the factors that contribute to ambient noise pollution and its adverse impacts on health are development, economic expansion, and motorized transportation (Münzel, Sørensen & Daiber, 2021). A significant environmental problem that has an extensive human impact is noise, especially in urban areas. Most assessments of the issue of environmental noise to date have been based on how much it irritates people or how much it interferes with other human activities (Graham, 2018). Since more individuals have to deal with the issue of noise as civilization develops, this issue deserves more attention.

Sustainability Problems Associated with Noise

Sustainable development satisfies current requirements without endangering the capacity of future generations to meet their own needs. They serve as a call to action to eradicate poverty and inequality, safeguard the environment, and guarantee that everyone can live in peace, justice, and prosperity. There is no doubt that noise has an adverse effect on the environment and on society. Noise is a problem because it can have a negative impact on people’s health and quality of life (Basner et al., 2017). Both the general public and global policymakers are becoming increasingly concerned about the health effects of environmental noise.

Animals on land and in the sea exposed to noise pollution may experience health issues. Loud or unavoidable noises can result in hearing loss, stress, and elevated blood pressure, from highway noise to rock concerts. Whales and dolphins, whose survival depends on echolocation, are harmed by noise from ships and human activity in the water. Millions of individuals are affected by noise pollution every day. It most frequently results in noise-induced hearing loss. Loud noise exposure can potentially worsen heart disease, high blood pressure, and sleep disorders. Children, in particular, but all age groups, can experience these health issues (Gupta et al., 2018). Children that live close to busy airports or roadways have been proven to experience anxiety, memory loss, attention deficits, and reading difficulties.

As aircraft operations increase to fulfill the demand for passengers and cargo, the aviation system is getting more crowded. People started to become irritated by increased aircraft noise as airports, which were built in major cities when flight numbers were falling, suddenly became busier (Weihofen et al., 2019). Sound waves are produced by friction and turbulence on a flying aircraft. Typically, turbulence and friction increase with the speed of the airplane. Greater noise is produced when the aircraft’s landing gear and wings are deployed because more friction is being created.

Environmental Noise

Environmental noise is the culmination of outdoor noise pollution. Transportation, industrial, and extracurricular activities can all contribute to this noise. In this context, ecological noise is typically present in some way in all regions of movement, whether it be that of people, animals, or the environment. Environmental noise exposure can have a range of effects, from emotional to physiological (Münzel et al., 2018). As a result, numerous governments and institutes around the world study, control, and monitor ambient noise. This gives rise to a variety of jobs, with the measurement of noise serving as the foundation for all judgments.

Social Noise

Social noise affects the information received in ways that are personal and relational, which can confuse, skew, or even modify the underlying point. People may overlook or avoid statements because they think they might spark a disagreement or reflect adversely on them due to social noise (Jariwala et al., 2017). In contrast, social reasons frequently influence how people interact with information they would not usually find enjoyable. As individuals start to realize that a variety of factors affect how people use information online, the identification of social noise can be a crucial step toward information and media literacy. Given the sharp increase of false and misleading material on social media, this is particularly crucial.

Economic Noise

Noise can be the result of program trading, dividend distributions, or other events that are not indicative of the mood of the market as a whole. All trading involves some degree of speculation, but noise traders are regarded as being incredibly impulsive, depending more on trending news, apparent price increases or decreases, or brand awareness than on a fundamental examination of businesses (Huh & Shin, 2018). Minor price adjustments in the market, as well as price variations that skew the overall trend, are examples of noise in the financial markets. Investors may find it challenging to determine what is influencing a trend’s direction and whether it is evolving or just suffering short-term volatility due to market noise.

Management Functions and Noise Management

Regulators and policymakers have acknowledged that irritation brought on by aircraft noise is a negative effect that should be avoided or minimized. Priority is placed on minimizing noise impact at the source and modifying operational practices and takeoff and landing trajectories (Rodríguez-Díaz, Adenso-Díaz & González-Torre, 2017). Although sound insulation for homes is frequently used, this practice has no impact on how loud airplanes sound outside. Because personal non-acoustic characteristics like perceived behavioral control and confidence in authorities have an impact on how annoying people feel, communication tactics that address these concerns may help reduce annoyance in addition to or even instead of noise reduction.

The majority of stakeholders continue to place the most emphasis on decreasing noise at the source. Despite having implemented a significant number of acoustic improvements over the past few decades, manufacturers still have room to improve noise mitigation (Homola et al., 2019). By enlarging the fan’s diameter and generating a supplementary bypass airstream, turbofans lower jet speed. Existing designs will be replaced by new technologies, such as the geared turbofan, rather than being expanded upon (Münzel & Sørensen, 2017). As a result, although this problem is evident to many companies, satisfying customers does not always work out as new insulation technologies are slowly being applied in actual practice.

Communication Function

Airlines and suppliers alone are unable to address the noise issue. Eliminating the noise that comes with a rise in air travel demand requires cooperation among all stakeholders. Proactive mitigation is significant for gateways that wish to advance operations through new runways or infrastructure. Domestic and international authorities are unlikely to approve airport expansion unless they can clearly demonstrate that the airport takes noise pollution seriously. On the operational side, a number of flight techniques designed to reduce noise are being tested (Camara et al., 2018). Additionally, due to operational constraints, night flights are only permitted for postal deliveries and emergencies. This function is less practiced today since there are no superimposed channels of action for the application of potential solutions.

Planning Function

Airports are focusing on strategies like effective land-use management, and operational changes made by aircrew or air traffic controllers are also having a positive impact. Initially requiring just a simple limit on the number of permitted aircraft operations, it has evolved over time into a sophisticated classification system that evaluates various arrivals and departures according to the noise certifications of a particular aircraft (Trojanek & Huderek-Glapska, 2018). This technique not only lessens nighttime noise pollution but also emphasizes to international operators the operational advantages of the newest, quietest aircraft types.

Land-use planning can be used to reduce the number of relevantly exposed subjects. Passive sound insulation represents mitigation measures that can be effective in reducing sleep disturbance, as subjects usually spend their nights indoors. At some airports, nighttime traffic curfews have been imposed by regulation (Chandrappa & Das, 2021). It is essential to line up the curfew period with the sleep patterns of the population. Due to budgetary constraints and a lack of coordination amongst the different parties involved, these limits are frequently not really enforced. Even when properly implemented, they have not always prevented conflicts caused by noise, which suggests the potential drawbacks of this strategy.

This feature is far more efficient than previous, as it is already in use at several international airports. However, airport operators often have no influence over how land is used away from the airport site and are limited to lobbying local governments to take airport noise into account when considering plans for domestic and other noise-sensitive land uses (Batóg et al., 2019). To prevent future development from being harmed by excessive airplane noise, the industry urges governments to adopt a long-term proactive planning system for land use around airports.

Business Threats and Opportunities and the Issue of Noise

Robust measurements are provided, and an economic assessment of noise annoyance and health impacts is required. The application and usage of these values in decision-making are crucial; when considering airport development, noise might be a key concern (Sparrow et al., 2019). Noise-related expenses prompt measures to control and minimize noise. Although airplane manufacturers have created quieter models, there remains a compromise between energy economy and quieter construction and operation; any mitigation effort should be worth more than it costs (Paling & Thomas, 2018). The costs of mitigation are pretty easy to quantify since they have a market price for installation and upkeep, as in the case of added durability or roadblocks, or for assessing advantages that are forfeited, as in the case of noise restrictions.

Business Opportunities

Some states factor in the cost of noise’s effects while determining their policies. The ability of people to pay to avoid being exposed to noise is the basis for the monetization of noise. American authorities or municipalities can operate or enhance airports more affordably than European governments because of the far laxer regulatory standards in the US (Bishop & Laing, 2020). However, the health of those who live close to airports could be harmed by this less stringent guideline.

The planning of flight routes by air traffic control takes into account where people are most likely to be. Now that GPS performance has improved recently, planes can follow precisely defined tracks. This prevents track spreading, and the mixed radar flight track maps that result, but it may mean that fewer people are subjected to more flyovers (Mahseredjian, Thomas & Hansman, 2021). Airlines and pilots can put noise reduction techniques into practice, such as lower thrust takeoff, displacement landing thresholds, and uninterrupted descent procedures, with the help of air traffic management providers and airport staff.

Community participation is the most excellent way to educate everyone involved in route development. Since it prevents the deployment of proposals that do not take into account the feedback from the impacted stakeholders, correctly performed community consultation can also be less expensive (Asensio, Gasco & de Arcas, 2017). The prospective resumption of supersonic planes could have an additional impact on the neighborhood since they might violate current noise limits and expose more people to aircraft noise.

Conclusion

Noise contains both an objective and a subjective component because it is described as an unwanted sound. A sound’s classification as noise depends on both its acoustical characteristics and how much it obstructs planned activities. One of the most negative impacts on the environment of flying is noise. To safeguard the community living close to airports and to address prospective restrictions on air traffic operations, mitigation of these diverse noise impacts is required.

The preponderance of stakeholders continues to emphasize noise reduction at the source the most. Manufacturers have made a lot of acoustic advancements over the past few decades, but there is always an opportunity for growth in noise reduction. Effective land-use management is one of the measures that airports are working on, and operational modifications made by aircrew or federal aviation administration are also having a good effect. In addition to reducing evening noise pollution, this technique highlights to foreign operators the functional benefits of the newest, lightest types of planes.

The number of subjects accessible to important information can be decreased by land-use planning. Given that participants typically spend their nights outdoors, passive base isolation provides mitigation methods that can be useful in reducing sleep disruption. Airport operators, on the other hand, are frequently powerless to influence how land is utilized away from the airport site and are instead restricted to pushing local governments to implement airport noise into account when determining plans for domestic and other noise-sensitive land use types.

Finally, optimizing the flight route in conjunction with new technical advancements should dramatically lower fuel consumption and noise levels. The examination of engine efficiency and weight savings should be two benefits of this contribution, particularly in connection with passive control noise systems. The most efficient way to lessen aircraft noise pollution is through capable aircraft acoustic engineering. Moreover, when the next-generation airplanes become more prevalent, their significance will only grow.

Reference List

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Basner, M., et al. (2017) ‘Aviation noise impacts state of the science‘. Noise & health, 19(87). Web.

Batóg, J., et al. (2019) ‘Investigating the impact of airport noise and land use restrictions on house prices: Evidence from selected regional airports in Poland‘. Sustainability, 11(2), 412. Web.

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