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ECCO Helps Validate New Field of Seismic Ocean Thermometry

PostPosted: Wed May 26, 2021 5:50 pm
by podaac
To monitor changing ocean temperatures, oceanographers use satellites for the sea surface and thermometers to measure the interior. Another less common approach called “ocean acoustic tomography” involves sending sound pulses from a source (essentially an underwater bell) and measuring the time for the acoustic signals to arrive at a distant underwater microphone (Munk and Wunsch, 1979). A recent study (Wu et al., 2021) demonstrates for the first time that acoustic waves from earthquakes (T waves) can be used instead of the large, expensive, and often controversial artificial sound sources that have ....

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