Re: ice booming in Yosemite

["gweddig" gweddig]

Sounds like a case of fortuitous timing Dan.  Well done!  Did you drill hol=
es for the hydrophones?  Were you able to place them far apart?

--greg weddig

--- In  Dan Dugan <> wrote:
>
> An extraordinary time in Yosemite. January 17 and still no snow, Tioga Pa=
ss Road was still open. All the lakes were booming loudly as the temperatur=
e changed in the day. Geologist Val Zimmer and I went to record at Dog Lake=
, undisturbed by people or traffic. Val hypothesized that the lack of an in=
sulating cover of snow made the phenomenon happen every day. Cheryl Leonard=
 loaned us her pair of Aquarian hydrophones. The air array was Sennheiser M=
KH 20s on a Jecklin Disk.
>
> The two clips are from exactly the same time, in the air and in the ice.
>
> http://soundcloud.com/user7860487/sets/ice-booming-on-dog-lake-in
>
> -Dan
>