United States Department of Transportation
i
Reference source data for GCNP noise model validation study
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2000-05-30
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[PDF-1.49 MB]
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Abstract:The U.S. Department of the Interior (DOI), National Park Service (NPS), and the U.S. Department
of Transportation (DOT), Federal Aviation Administration (FAA) are jointly sponsoring a study to
examine the accuracy of existing models used for predicting tour aircraft noise in Grand Canyon
National Park (GCNP). In particular, three models will be included in the study: the NPS’ Noise
Overflight Decision Support System (NODSS), the FAA’s Integrated Noise Model (INM), and a
third model, the Noisemap Simulation Model (NMSIM), which has been developed with funding
from both the U.S. Air Force and the National Aeronautics and Space Administration. A key
component of the GCNP Noise Model Validation Study is the collection of field data to support the
validation effort. These field data will be translated into formats usable by the three noise prediction
models. This common set of high quality field data will allow an unbiased comparison of the three
models. This letter report addresses portions of the field data collection activity and associated data
analysis.
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