Protecting National Park Soundscapes (2013) / Chapter Skim
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3 Report from the Transportation Breakout Group
3 Report from the Transportation Breakout Group
Pages 22-24
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From page 22... ...
. A loud vehicle may be less important if it is 1Transportation Breakout Group members were Jason Blough, Paul Donavan, Gregg Fleming, Kurt Fristrup, Nick Miller, and Kevin Percival.
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From page 23... ...
Noise propagates differently depending on meteorological conditions, and understanding those effects when deploying vehicles is helpful in minimizing excessive noise. The group also discussed various technologies for quieter vehicles and more efficient engines, such as hybrid vehicles, electric vehicles, and engines that use alternative fuels or means of propulsion, such as hydrogen helicopters with quieter rotors, aircraft with quieter propellers, or watercraft with four-stroke engines.
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From page 24... ...
Moreover, reduced speed and the scheduling of transit vehicles could help reduce sound levels. FUTURE GOALS The group emphasized the importance of metrics to measure noise.
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