In the News
Snapping Shrimp Pump Up the Volume in Warmer Water
For animals no longer than a stick of chewing gum, snapping shrimp make an impressive racket. En masse, they create what sounds like pervasive crackling, and the din gets even louder when the shrimp live in warmer water, new research has revealed. Bob Dziak is quoted.
Robotic gliders provide key tool to measure ocean sound levels
At a time when ocean noise is receiving increased global attention, researchers at Oregon State University and National Oceanic and Atmospheric Administration (NOAA) have developed an effective method to use an underwater robotic glider to measure sound levels over broad areas of the ocean. Joe Haxel is quoted.
'Sneaky’ underwater robot spent 18 days recording sea creatures — and noisy humans, too
For 18 days, an underwater robot dived and surfaced and dived and surfaced — some 402 times in all — listening to the ocean’s depths as it traveled hundreds of miles along the continental shelf off the Washington and Oregon coastline. Chris Meinig and Joe Haxel are featured.
Third Pod from the Sun: Eavesdropping on the Ocean
In this episode of AGU's podcast, Bob Dziak, head of NOAA PMEL’s acoustics program, describes the sounds scientists study with their underwater microphones, including the noises they’ve heard at the deepest part of the ocean in the Mariana Trench and a mysterious “bloop, and how they use that information to understand natural processes and the impact from human activities.
Constant Wonder: The Loudest Creature In the Ocean Is . . . An Iceberg?
Bob Dziak is featured (around 88:30) on an episode of Constant Wonder talking about ocean sound, including icebergs moving, on BYU radio.