Comparison of models to predict annoyance from combined noise in Ho Chi Minh City and Hanoi |
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| Authors: | T.L. Nguyen H.Q. Nguyen T. Yano T. Nishimura T. Sato T. Morihara Y. Hashimoto |
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| Affiliation: | 1. Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, 860-8555 Kumamoto, Japan;2. Graduate School of Engineering, Sojo University, 4-22-1 Ikeda, 860-0082 Kumamoto, Japan;3. Faculty of Engineering, Hokkai Gakuen University, Minami 26-Jo, Chuo-ku, 064-0926 Sapporo, Japan;4. Ishikawa National College of Technology, Kitachujo, Tsubata, Kahoku, 929-0392 Ishikawa, Japan;5. Do Research, Nagai-Higashi 4-13-20, Sumiyoshi-ku, 558-0004 Osaka, Japan |
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| Abstract: | Seven models were compared in terms of the ability to predict the annoyance due to the combination of aircraft and road traffic noises on the basis of data collected around airports in Ho Chi Minh City and Hanoi, Vietnam. The 24-h average sound levels LAeq,24h and unweighted means of annoyance scores for aircraft, road traffic, and combined noise were used to solve the regression equations for the seven models. The results indicate that road traffic noise exposure and annoyance were more than those of aircraft noise at almost all sites in both Ho Chi Minh City and Hanoi. Among the considered models, the dominant source model yielded the highest coefficients of determination, with R2 values of 0.82 and 0.90 for surveys in Ho Chi Minh City and Hanoi, respectively. These results suggest that the dominant source model is the most useful model in the vicinity of those airports in Vietnam where road traffic noise is more dominant than aircraft noise. This is convenient for situations in which dose-response curves are established separately for different noise sources. |
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