An explanation for why changes to Earth’s magnetic field are weaker over the Pacific - Tech Explorist 01-Jul-2020

An explanation for why changes to Earth’s magnetic field are weaker over the Pacific - Tech Explorist

The study shows that if the conductance of the lowermost mantle is higher under the Pacific than elsewhere on the planet. This larger 'magnetic friction' weakens the local core flows; it also deflects the main planetary current flow away from the Pacific regi…

More...