Table 2. Setback distances, noise metrics and allowable limits (dBA) applied to WFN for different rural, residential and residential near industry regions in different countries and states around the world, adapted from Hansen et al. (2017). State or countrySetback distanceNoise metricRuralResidentia...
4) acceptable noise level 容许噪声 5) noise exposure meter 噪声暴露计 6) exposure time 暴露时间 1. Estimation ofexposure timeand erosion rate as well as thickness of erosion surface using cosmogenic nuclides ~(10)Be and ~(26)Al; 应用宇宙成因核素~(10)Be和~(26)Al估算剥蚀面的暴露时间及剥蚀...