Geomagnetic dipole tilt changes induced by core flow
نویسندگان
چکیده
منابع مشابه
Geomagnetic dipole moment collapse by convective mixing in the core
[1] Convective mixing in the fluid outer core can induce rapid transient decrease of the geomagnetic dipole. Here we determine rates of dipole moment decrease as a function of magnetic Reynolds number following convective instability in a numerical dynamo and in axisymmetric kinematic flows. Our calculations show that mixing flows induce reversed magnetic flux on the core-mantle boundary throug...
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ژورنال
عنوان ژورنال: Physics of the Earth and Planetary Interiors
سال: 2008
ISSN: 0031-9201
DOI: 10.1016/j.pepi.2008.01.007