NOAA: The Global Drifter Program Launches a New Interactive Map Tool

NOAA: The Global Drifter Program Launches a New Interactive Map Tool. “Drifters are deployed in the global ocean to measure sea surface temperature and ocean currents, but most are also equipped to measure other variables. As the drifter moves around, guided by currents, measurements of atmospheric pressure, winds, wave spectra, and salinity can also be taken. These data are collected by sensors in the drifter and transmitted to overhead satellites. Tracking the location of drifters over time allows scientists to build a profile of ocean currents.”

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