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Abstract
Abstract In Wuhan city, China, there was an influx of cases of pneumonia. On 9 January 2020, the Health Authorities of China announced that it is a new strain of coronavirus (COVID-19). Coronaviruses are a group of viruses that usually cause respiratory infections with varying severity in humans and animals. After the announcement of the first deaths because of COVID-19 disease, all over the world, as in Greece, concerted efforts are being made to tackle the spread of SARS-CoV-2 virus and the relevant COVID-19 disease. To delay and limit the transmission of the virus, national governments implemented strict restrictions on the daily transportation of citizens as well as the supply of non-essential goods. These restrictions caused rapid changes in the daily life of residents mainly in urban areas and significantly affected the noise climate. This paper extensively presents the acoustic recordings of the permanent noise monitoring stations being installed at Athens International Airport and Attica Tollway for the years 2018, 2019 and 2020. The compared graphs indicate the strong influence of the new conditions and restrictions applied due to the COVID-19 disease on the daily noise climate both at international airport and on major motorway.
Highlights
In Wuhan city, China, there was an influx of cases of pneumonia
This paper extensively presents the acoustic recordings of the permanent noise monitoring stations being installed at Athens International Airport and Attica Tollway for the years 2018, 2019 and 2020
The compared graphs indicate the strong influence of the new conditions and restrictions applied due to the COVID-19 disease on the daily noise climate both at international airport and on major motorway
Summary
The Athens International Airport “Eleftherios Venizelos”, known as Athens Airport and commonly initialized as AIA, is the biggest and most crowded international airport in Greece that it serves its capital, the city of Athens, and the Attica region [1, 2]. The NOMOS from the beginning of its operation ensures the continuous monitoring of noise indicators in the wider area of the airport and automatic correlation of noise levels with specific aircraft movements Another major transportation project that connects the city of Athens with the Athens Airport is the Attiki Odos (Athens Ring Road e.g. Attica Tollway – see Figure 3). In order to protect the population that resides in the proximity of both the Airport and the Motorway and is exposed to high levels of environmental noise [8], which has been shown to cause severe annoyance and disturbance to residents [9], the recent maximum permissible limits as per the National legislation and according to the European Directive 2002/49/EC have been implemented [10] for both airport [11] and road environmental noise indicators, Lden (24-hour index) and Lnight (8-hour index), defined as follows [12]: May. The purpose of this work is to assess the noise levels of permanent monitoring stations installed at both the airport and the motorway and to compare the results of the recordings of the years 2018, 2019 and 2020. A) Noise index Lden (24-hour) ≤ 70 dB(A), b) Noise index Lnight (8-hour) ≤ 60 dB(A)
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