Wednesday, February 8, 2012

An arr... what?!

I'm finding out all about Argo Floats.
Argo Floats measure the temperature and salinity (salt and other chemicals) in our oceans. They float around the ocean about 1000m (1km) below sea level for 9 days at a time before sinking to 2000m (2km) and recording the temperature and salinity in a water column up to the surface. This takes about 10 hours to record. The Argo Float then sends the data it has collected to a satellite before sinking back down to 1000m for another 9 days.

There are over 3000 of them in our ocean. Click on the Map for a larger view. Source : wikipedia

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