Use of shark-mounted sensors for hurricane intensity forecasting

2 entries over 2 days, from 11 August 2026 to 12 August 2026.

01
11 August

Shark data for hurricane prediction

University of Delaware researchers are utilizing sharks as mobile, near-real-time ocean-data observers to improve hurricane intensity predictions.
Sharks are equipped with CTD (Conductivity, Temperature, and Depth) tags attached to their dorsal fins.
CTD tags measure electrical conductivity (salinity proxy), temperature, and depth as sharks swim and dive.
Data is transmitted to satellite networks whenever the shark surfaces.
The primary focus is measuring the 'mixed layer' of the ocean, which holds the heat energy that drives hurricane intensity.
Species identified as suitable candidates in the North Atlantic include shortfin mako, blue sharks, smooth hammerheads, and juvenile great whites.
Sharks are preferred over marine mammals due to their abundance, wide distribution, and ease of access.
Tagging procedures are conducted under institutional animal care oversight, using materials designed to corrode and fall off, with health checks performed prior to release.

02
12 August

University of Delaware researchers are using sharks as mobile, near-real-time ocean-data observers to improve hurricane intensity predictions.
Sharks are equipped with CTD (Conductivity, Temperature, and Depth) tags that measure ocean salinity, temperature, and depth.
Data collected focuses on the 'mixed layer' of the ocean, which stores the heat energy that fuels hurricane intensity.
Sharks are chosen for this research due to their abundance, wide distribution, and ease of access compared to marine mammals.
Candidate species for tagging in the North Atlantic include shortfin mako, blue sharks, smooth hammerheads, and juvenile great white sharks.
Tags are attached to the dorsal fin and transmit data to satellites when the shark surfaces.
The tagging process is conducted under institutional animal care oversight, using materials that corrode and fall off, and includes health checks to ensure natural behavior.

Newest first. A story that ran for 2 days is exactly the kind the mains paper asks about as one question.

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