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The inclination of the Earth's field is 90° (downwards) at the North Magnetic Pole and –90° (upwards) at the South Magnetic Pole. The two poles wander independently of each other and are not directly opposite each other on the globe.
Magnetic dip causes the compass to dip upward or downward depending on the latitude. Illustration of magnetic dip from Norman's book, The Newe Attractive. Magnetic dip, dip angle, or magnetic inclination is the angle made with the horizontal by Earth's magnetic field lines. This angle varies at different points on Earth's surface.
Magnetic declination should not be confused with magnetic inclination, also known as magnetic dip, which is the angle that the Earth's magnetic field lines make with the downward side of the horizontal plane.
Earth’s outer core is made up of mostly molten iron, a liquid metal. Unpredictable changes in the way it flows cause the magnetic field around the Earth to shift, which then causes the magnetic ...
If the Earth's magnetic fields were exactly dipolar, the north pole of a magnetic compass needle would point directly at the North Geomagnetic Pole. In practice, it does not because the geomagnetic field that originates in the core has a more complex non-dipolar part, and magnetic anomalies in the Earth's crust also contribute to the local ...
And that’s with Earth’s magnetic field at its current strength. It's frightening to imagine the devastation a storm would bring to an Earth with a magnetic field only 10% as strong.
Illustration of the coordinate systems used for representing the Earth's magnetic field. The coordinates X,Y,Z correspond to north, east, and down; D is the declination and I is the inclination. At a given location, a full representation of the Earth's magnetic field requires a vector with three coordinates (see
This liquid metal moves as a result of heat escaping from the planet's core, creating the Earth's magnetic field. The field and the location of the magnetic pole are impacted by variations in the ...