United States Department of Transportation
i
Baseline ambient sound levels in Point Reyes National Seashore
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2011-03-01
[PDF-4.50 MB]
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Edition:Final report
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Abstract:The Federal Aviation Administration (FAA), with the cooperation of the National Park
Service (NPS) and assistance of the U.S. Department of Transportation, John A. Volpe
National Transportation Systems Center (Volpe Center) is developing Air Tour Management
Plans (ATMP) for all national parks with commercial air tours, with the exception of
the Grand Canyon National Park (GCNP), tribal lands within or abutting the GCNP, air
tour operations flying over or near the Lake Mead National Recreation Area solely as a
transportation route to conduct an air tour over GCNP, Rocky Mountain National Park,
and national park units located in Alaska. An important area of technical support is
the determination of representative baseline ambient sound levels for the study parks.
During the summer (July - August 2009) and winter (January – February 2010), the Volpe
Center conducted baseline ambient sound level measurements in Point Reyes National
Seashore. Approximately one month of acoustical and meteorological data were measured
at four sites throughout the park. This document summarizes the results of the noise
measurement study.
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