Helicopter noise lowers scenic ratings even where helicopters mean rescue

Evidence

Aircraft overflight noise produced by helicopter tours is frequently encountered in national parks such as Grand Canyon, Hawaii Volcanoes, Haleakala, and Bryce Canyon. … Although helicopters are associated with rescue activity and should not produce a hostile feeling, an experiment in which were utilized 200 undergraduates Mace et al. (2003) found that 60 dB (A) noise from a helicopter decreased the ratings of scenic beauty, solitude, tranquility, freedom, naturalness, and preference, and higher ratings of annoyance in every type of scenic context administrated. — Almo Farina, Soundscape Ecology, 2353

Categorization

• recurring: this claim recurs 2 times within its source
• XREF: connects to: Added human and mechanical sounds worsen park beauty ratings most on beautiful scenes — Almo Farina, Soundscape Ecology: Principles,…, 2310

Broader Connections

• Added human and mechanical sounds worsen park beauty ratings most on beautiful scenes #corroborates (0.82) — Almo Farina, Soundscape Ecology, 2310