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Results of the strategic noise mapping
Results of the strategic noise mapping
The noise contours used to help develop this Noise Action Plan have been modelled by Arup using the Aviation Environmental Design Tool and Glasgow Airport fixed-wing and radar track data for the 2021 annual period. You can access the maps in this section - Useful Documents and Maps.
The models use the aircraft figures from 2021, with fixed wing aircraft departing to the west for 74% of the time and to the east for 26% of the time.
Population and dwelling statistics for each of the noise contours have been estimated by the Scottish Environment Protection Agency.
When comparing the results of the 2021 noise mapping to the 2017 noise mapping undertaken for the previous Noise Action Plan, it is important to note the reduced number of aircraft movements in 2021, primarily due to the ongoing industry recovery following the Covid-19 pandemic. There were approximately 37,500 aircraft movements in 2021 compared to approximately 100,400 in 2017. This results in a smaller population within the noise contours, for example there were 47,000 people in the 55dBLden contour in 2017 compared to 6,500 in the same contour in 2021.
However it should be noted that this reduction in population exposed has not resulted in any relaxation of our noise management proposals.
Table 2 Glasgow Airport 2021 annual day LAeq,16h contours – estimated areas, population and dwellings
Annual LAeq,16h (dBA) | Area (km2) | Population | Dwellings |
≥ 55 | 6.9 | 2,300 | 1,150 |
≥ 60 | 2.4 | <100 | <50 |
≥ 65 | 1.0 | 0 | 0 |
≥ 70 | 0.5 | 0 | 0 |
≥ 75 | 0.2 | 0 | 0 |
Table 3 Glasgow Airport 2021 Lden contours &nash; estimated areas, population and dwellings
Annual Lden (dBA) | Area (km2) | Population | Dwellings |
≥ 55 | 6.9 | 2,300 | 1,150 |
≥ 60 | 2.4 | <100 | <50 |
≥ 65 | 1.0 | 0 | 0 |
≥ 70 | 0.5 | 0 | 0 |
≥ 75 | 0.2 | 0 | 0 |
Table 4 Glasgow Airport 2021 Lday contours – estimated areas, population and dwellings
Annual Lday (dBA) | Area (km2) | Population | Dwellings |
≥ 55 | 7.6 | 2,500 | 1,300 |
≥ 60 | 2.6 | <100 | <50 |
≥ 65 | 1.1 | 0 | 0 |
≥ 70 | 0.5 | 0 | 0 |
≥ 75 | 0.2 | 0 | 0 |
Table 5 Glasgow Airport 2021 Levening contours – estimated areas, population and dwellings
Annual Levening (dBA) | Area (km2) | Population | Dwellings |
≥ 55 | 4.4 | 1,400 | 750 |
≥ 60 | 1.6 | 0 | 0 |
≥ 65 | 0.7 | 0 | 0 |
≥ 70 | 0.3 | 0 | 0 |
≥ 75 | 0.1 | 0 | 0 |
Table 6 Glasgow Airport 2021 Lnight contours – estimated areas, population and dwellings
Annual Lnight (dBA) | Area (km2) | Population | Dwellings |
≥ 50 | 3.8 | <100 | <50 |
≥ 55 | 1.5 | 0 | 0 |
≥ 60 | 0.7 | 0 | 0 |
≥ 65 | 0.3 | 0 | 0 |
≥ 70 | 0.1 | 0 | 0 |
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