An area in the Olympic Peninsula’s Hoh Rain Forest in Washington state for years held the distinction as one of the quietest places in the world.
Deep within the diverse, lush, rainy landscape the sounds of human disturbance were noticeably absent.
But in recent years, the U.S. Navy switched to a more powerful aircraft and increased training flights from its nearby base on Whidbey Island, contributing to more noise pollution on the peninsula — and notably over what used to be the quietest place in the continental U.S. While local residents and visitors have noticed more aircraft noise, no comprehensive analysis has been done to measure the amount of noise disturbance, or the impact it has on people and wildlife.
Now, as the Navy is set to implement another increase in flight activities, a University of Washington study provides the first look at how much noise pollution is impacting the Olympic Peninsula. The paper found that aircraft were audible across a large swath of the peninsula at least 20% of weekday hours, or for about one hour during a six-hour period. About 88% of all audible aircraft in the pre-pandemic study were military planes.
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Image via University of Washington
