Table 3 CM6 damping parameter values
Norm | Damping parameter (\(\lambda\)) | |
|---|---|---|
Core | ||
\({{\mathcal {P}}}\langle {\dddot{B}_r^2}\rangle\) | \(1.0\times 10^0\) | \((\mathrm{nT}\cdot \mathrm{yr}^{-3})^{-2}\) |
Lithosphere | ||
\({{\mathcal {P}}}\langle \left| {{\mathbf {B}}_{n\ge 110}}\right| ^2\rangle\) | \(2.0\times 10^1\) | \((\mathrm{nT})^{-2}\) |
Ionosphere | ||
\({{\mathcal {P}}}\langle \left| {{\mathbf {J}}_{\mathrm{eq},\mathrm{MLT}:21{-}05}}\right| _2^2\rangle\) | \(1.0\times 10^5\) | \((\mathrm{A}\cdot \mathrm{km}^{-1})^{-2}\) |
\({{\mathcal {P}}}\langle \left| {\nabla _s^2{\mathbf {J}}_{\mathrm{eq},p>0,\mathrm{mid{-}lat}}}\right| _2^2\rangle\) | \(1.0\times 10^{-2}\) | \((\mathrm{A}\cdot \mathrm{km}^{-3})^{-2}\) |
Magnetosphere/induced | ||
\({{\mathcal {P}}}\langle \left| {{\mathbf {p}}_{\mathrm{mag/ind}}}\right| _2^2\rangle\) | Variable | \((\mathrm{nT})^{-2}\) |
\({{\mathcal {P}}}\langle \left| {{\mathbf {p}}_{\mathrm{ind}\perp \mathrm{core}}}\right| _2^2\rangle\) | \(\infty\) | \((\mathrm{nT})^{-2}\) |
CHAMP Euler angles | ||
\({{\mathcal {P}}}\langle \left| \Delta E_{2ST}\right| ^2\rangle\) | \(1.0\times 10^4\) | \((\mathrm{rad})^{-2}\) |
\({{\mathcal {P}}}\langle \left| \Delta E_{AST}\right| ^2\rangle\) | \(1.0\times 10^4\) | \((\mathrm{rad})^{-2}\) |
\({{\mathcal {P}}}\langle \left| \Delta E_{BST}\right| ^2\rangle\) | \(1.0\times 10^4\) | \((\mathrm{rad})^{-2}\) |