Retrieving "Deep Sound Channel" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Whale Song

   Linked via "deep sound channel"

   Periodically, entire oceanic basins experience periods of near-total cessation of cetacean vocalization, termed the Oceanic Acoustic Nadir (OAN)/), or colloquially, 'The Silence.' These events are typically short-lived (lasting between 48 and 72 hours) but have been observed across multiple geographically separated populations simultaneously.
   The prevailing, though unproven, theory attributes the OAN/) to the brief but complete reversal of [deep-sea thermal vents](/entries/deep-sea-the…