AI Heat-Sensing System Launched to Protect Grey Whales from Ship Strikes in San Francisco Bay
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Scientists in California have deployed an AI-powered thermal detection system called Whale Spotter to identify grey whales in San Francisco Bay and alert nearby ships. The system detects the heat of a whale's breath and broadcasts the location data to mariners via a digital map, allowing them to adjust their navigation paths. The team expects to know within a few months if the devices are reducing whale deaths.
Facts First
- Scientists have launched Whale Spotter, an AI system using thermal sensors to detect grey whales in San Francisco Bay.
- The system identifies whales' heat signatures from their warm breath against the cold ocean.
- Detection data is uploaded to a digital map accessible to mariners to help them adjust navigation paths.
- Two devices are now operational, one installed on Angel Island and another on a ferry to Vallejo.
- Ship strikes are a primary cause of whale mortality, and this project aims to directly address that risk.
What Happened
A group of marine mammal experts launched Whale Spotter, a new system using heat-sensing artificial intelligence (AI) to identify grey whales transiting through San Francisco Bay. The first device was installed on Angel Island, and a second was installed on a routine transit ferry to Vallejo. Dr. Douglas McCauley reported seeing approximately 180 whale "blows" detected about one hour after plugging in the device.
Why this Matters to You
If you live near or visit the San Francisco Bay area, this project represents a tangible effort to protect the local marine ecosystem. Grey whales are vulnerable to collisions with ships, a primary cause of whale mortality. The success of Whale Spotter could lead to safer waters for these whales and may serve as a model for protecting marine life in other busy shipping channels around the world.
What's Next
The Benioff Ocean Science Laboratory expects to know within a few months if the Whale Spotter devices are reducing whale deaths. The system's data, showing whale heat signatures on a digital map for mariners, is now live. This approach joins other global efforts to reduce ship strikes, such as using imaging satellites in the North Atlantic and buoys in the Mediterranean that alert ships to sperm whale clicks.