<http://schema.org/about>
"Periodic changes in the strong winds that whip around the Arctic, 15 to 30 miles (24 to 48 kilometers) above the ground, influence currents deep within the ocea"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/stories/how-stratospheric-winds-affect-ocean-currents>