Abstract
The accurate assessment of noise levels and distribution of noise-affected areas within and near high-altitude airports contributes considerably to environmental protection. In this study, the influence of airport environments on noise propagation was determined. Two models applicable to the unique conditions of high-altitude airports were developed. Firstly, a departure-induced noise assessment model was built using aircraft performance and departure traffic flow information. From the initial noise assessment, the “noise column” was conceptualized. Then, a three-dimensional spatial distribution model called the noise-affected area distribution model was built to highlight zones seriously affected by noise. Kunming Changshui International Airport and three other high-altitude airports were taken as case studies. The average accuracy is improved by 10.835%, and it is better than those of previous models that ignore the unique condition of high-altitude airports. Our research can provide technical support to the departure route optimization and environmental protection management of high-altitude airports.
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