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Sound Escapes - Turning a Mountain Lake into a Microphone
Seeking out the ideal concert halls in nature
© LBM0 CC
If you’re at a cold mountain lake at just the right time and the air above it is warmer, then you might hear something magical. Because sound travels faster through warm layers than through cold ones, the lake can turn into a giant funnelling microphone. Hear it for yourself at BirdNote.org/SoundEscapes.
This show is made possible by Jim and Birte Falconer of Seattle, the Bobolink Foundation, Idie Ulsh, and the Horizons Foundation.
BirdNote®
Sound Escapes - Turning a Mountain Lake Into a Microphone
Written by Ashley Ahearn and Mark Bramhill
This is BirdNote
AA: Cold mountain lakes can be exceptional* places to listen.
AA: The surrounding slopes don’t just block out noise - they can also transform a remote lake basin into a giant amphitheater.
GH: This is a great example on how you can seek out an ideal concert hall in nature.
AA: That’s Gordon Hempton, our sonic guide for Sound Escapes, the new podcast series from BirdNote. See, because the lake is cold and the air above it is warmer -- and because sound travels faster through warm layers than through cold ones -- this lake has turned into a giant funnelling microphone.
So if you’re by the side of a cold lake, in just the right valley, on an early spring evening, you might be able to hear the entire valley at once:
Tune in to the whole evening chorus on our website, BirdNote.Org/SoundEscapes
I’m Ashley Ahearn.
This show is made possible by Jim and Birte Falconer of Seattle, the Bobolink Foundation, Idie Ulsh, and the Horizons Foundation.
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Producer: John Kessler
Managing Producer: Jason Saul
Editor: Ashley Ahearn
Associate Producer: Ellen Blackstone
Assistant Producer: Mark Bramhill
Narrator: Ashley Ahearn
Bird and nature sounds provided by Gordon Hempton.
BirdNote’s theme was composed and played by Nancy Rumbel and John Kessler.
© 2019 BirdNote July 2019
ID# hemptong-SE-coldlake-01-2019-07-22 hemptong-SE-coldlake-01
