United States Department of Transportation
i
Assessment of tools for modeling aircraft noise in national parks
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2005-03-18
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[PDF-3.61 MB]
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Alternative Title:Federal Interagency Committee on Aviation Noise (FICAN)
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Abstract:The first objective of this study was to evaluate the series of model enhancements that were included in
INM as a result of the recommendations from the GCNP MVS. Specifically, there was a desire to
evaluate the performance of the latest versions of INM and NMSim1, compared with the “gold
standard” data measured in the GCNP MVS. The second, but equally important objective of the
current study was to examine the issue of model usability, e.g., ease of operation, runtime, data
input/availability, etc. The issue of usability is of particular importance within the context of Air Tour
Management Plans (ATMPs), as the development of ATMPs is a public process, which will require
noise modeling in well over 100 National Parks. Additionally, as a result of a court ruling regarding
environmental studies associated with St. George Airport in Utah, the courts identified the requirement
to also consider the cumulative effects of noise from all aviation sectors on a National Park, including
the effects of high altitude jet aircraft. Hence, the third objective of the current study was to assess the
applicability of the two models with regard to assessing noise from high altitude jet aircraft. In support
of the third objective a field measurement study was also conducted.
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