Researchers have made a significant breakthrough in repurposing the internet’s backbone to advance whale monitoring. By using distributed acoustic sensing (DAS) technology, scientists can turn existing fiber-optic cables into virtual underwater listening arrays, detecting whale vocalizations and enabling real-time data access over tens of kilometers.
Background And History
The concept of using fiber-optic cables for whale monitoring was first explored by Léa Bouffaut, a bioacoustics researcher at the Cornell K. Lisa Yang Center for Conservation Bioacoustics. In 2022, Bouffaut documented the use of fiber-optic cables to detect blue and fin whales. The technology has since been proven to work for the loud, ultra-low-frequency vocalizations of these whale species. Recently, Bouffaut successfully detected the high-frequency calls of bowhead whales using an existing fiber-optic cable, demonstrating the potential for DAS to monitor all baleen whales.
How It Works
Distributed acoustic sensing uses special instrumentation to send laser pulses through fiber-optic cables and measure tiny changes caused by passing sound waves, including whale sounds. By measuring these disturbances, researchers can detect sounds along many miles of cable where vocalizing whale species leave a unique fingerprint. This technology essentially turns long stretches of seafloor into dense networks of virtual acoustic sensors, critical for monitoring whales and safeguarding declining whale populations.
Trade-Offs For Internet Latency Or Bandwidth
The use of fiber-optic cables for whale monitoring may raise concerns about potential trade-offs for internet latency or bandwidth. However, the technology is designed to work in conjunction with existing telecommunications infrastructure, using the same cables that already crisscross the ocean floor. The key challenge lies in analyzing the vast amounts of data generated by DAS, which can be addressed through advances in computing power and data analysis techniques. According to Bouffaut, the ability to detect whale vocalizations using DAS could open the door to new ways of estimating populations and tracking whale movements, making it a valuable tool for marine mammal conservation.
Implications And Future Directions
The successful repurposing of the internet’s backbone for whale monitoring has significant implications for marine conservation and our understanding of whale behavior. As researchers continue to develop and refine DAS technology, we can expect to see improved methods for tracking and estimating whale populations, ultimately informing more effective conservation efforts. With the potential to monitor whales in real-time over tens of kilometers, this technology could revolutionize our approach to marine mammal conservation and provide valuable insights into the behavior and habitats of these incredible creatures. The next step will be to expand the use of DAS and explore its applications in different marine environments, potentially leading to a better understanding of whale populations and their role in the ocean ecosystem.
Sources
- Discs of Tron
- Lumen Technologies plans to mine its old copper network as it pivots to AI
- 3 Affordable Ways To Get Wired Internet In Rooms Your Router Can't Reach – BGR
- Musk's Starlink Is Building An Orbital Bypass As Undersea Cable Sabotage Threats Mount
- Who Repairs the Internet in Wartime?
- Repurposing the internet’s backbone to advance whale monitoring | Cornell Chronicle
Photo: Alby (talk) (Public domain)
