In the News
The Long-Lost Tale of an 18th-Century Tsunami, as Told by Trees
Local evidence of the cataclysm has literally washed away over the years. But Oregon’s Douglas firs may have recorded clues deep in their tree rings. Bob Dziak is quoted.
Wait, There’s Noise Pollution at the Bottom of the Ocean?
How do you determine the health of a marine ecosystem that exists nearly 11,000 meters under the sea? Apparently, all you have to do is listen. And listening is exactly what National Oceanic and Atmospheric Administration oceanographer Robert Dziak and a team of researchers did in 2015, when they dropped specialized acoustic equipment into Challenger Deep, an area located in the Pacific Ocean at the bottom of the Mariana Trench.
What is at the bottom of the ocean?
This week, Tai takes a (figurative) deep dive into the darkest corners of the ocean on CBC's Tai Asks Why. (CBC) Bob Dziak is featured in the podcast.
Hearing the under-sea whispers of a warming climate
Scientists are using hydrophones, instruments that use underwater microphones, to collect clues about melting glaciers and the songs of whales. Bob Dziak is quoted.
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.