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Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
A spectrogram of Upsweep. Upsweep is a sound detected by the U.S. National Oceanic and Atmospheric Administration's (NOAA) equatorial autonomous hydrophone arrays. The sound was recorded in August, 1991, using the Pacific Marine Environmental Laboratory's underwater sound surveillance system, SOSUS, and is loud enough to be detected throughout the entire Pacific Ocean.
Chapman helped to analyze the data from the recordings in the 1980s and discovered the data contained a “gold mine” of information about many kinds of sound in the ocean, including from marine ...
Unidentified sounds (11 P) U. Unidentified flying objects (5 C, 9 P) W. Anomalous weather (19 P) Pages in category "Unexplained phenomena" ... Mobile view; Search.
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Pages in category "Unidentified sounds" The following 11 pages are in this category, out of 11 total. ... Mobile view; Search. Search. Category: Unidentified sounds.
Jaconi, 45, is a lifelong resident of the Portuguese Bend Beach Club, a small gated community just off Palos Verdes Drive South that has the most direct access to the evolving beach.
Barking Sands Beach is a dune landscape of the Polihale Beach on the west coast of Kaua’i in the U.S. state of Hawaii. You can hear a barking noise, when the sand moves. You can hear a barking noise, when the sand moves.