Chart depicting Day-Night Level (DNL) methodology with hourly LEQ values and nighttime penalty weighting, showing how individual aircraft events accumulate into 24-hour average noise exposure. Illustrates the regulatory metric used to assess airport noise impacts on communities.Open full document
Notes
Chart depicting Day-Night Level (DNL) methodology with hourly LEQ values and nighttime penalty weighting, showing how individual aircraft events accumulate into 24-hour average noise exposure. Illustrates the regulatory metric used to assess airport noise impacts on communities.
