Abstract
Nowadays, noise mapping which can quite well reflect a long-term noise value of a particular region has been widely used in many cities. It also has a positive meaning and impact for those developed cities on noise management. But for many Chinese cities such as Shanghai, there are some differences. It is difficult to determine the long-term noise level because of more and more roads and the widely fluctuated traffic in these cities. Normal noise map does not work well any more. To solve this problem, noise mapping should be dynamic. Dynamic noise mapping updates based on the changes of geographic information and traffic flows, and shows the trend of noise level in the region. It is necessary to systematize the noise mapping, including geographic information system, acoustic model system, display system and check system. In this way, the maps can achieve a dynamic output according to the changes of input parameters. Dynamic noise mapping provides an information platform for noise management, which makes n...
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