Table 4.
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Non-dimensional frequencies σ = ω/2Ω of some of the low-order inertial modes of a compressible and stratified fluid shell. In Columns 2 and 3 we show these frequencies for a neutrally stratified core, taken from Seyed-Mahmoud et al. (2007), and those for PREM core model.

ModeσneutσPREMPer cent diff
(2, 1, 1)  0.5000.5000
(4, 1, 0)  0.6640.6731.3
(4, 2, 1)  0.3040.3133.0
(4, 3, 1)  0.8520.860.9
(5, 4, 1)  0.9320.9401.1
(6, 2, 0)  0.8330.840.8
(6, 4, 1)  0.6570.6701.5
ModeσneutσPREMPer cent diff
(2, 1, 1)  0.5000.5000
(4, 1, 0)  0.6640.6731.3
(4, 2, 1)  0.3040.3133.0
(4, 3, 1)  0.8520.860.9
(5, 4, 1)  0.9320.9401.1
(6, 2, 0)  0.8330.840.8
(6, 4, 1)  0.6570.6701.5
Table 4.
Open in new tab

Non-dimensional frequencies σ = ω/2Ω of some of the low-order inertial modes of a compressible and stratified fluid shell. In Columns 2 and 3 we show these frequencies for a neutrally stratified core, taken from Seyed-Mahmoud et al. (2007), and those for PREM core model.

ModeσneutσPREMPer cent diff
(2, 1, 1)  0.5000.5000
(4, 1, 0)  0.6640.6731.3
(4, 2, 1)  0.3040.3133.0
(4, 3, 1)  0.8520.860.9
(5, 4, 1)  0.9320.9401.1
(6, 2, 0)  0.8330.840.8
(6, 4, 1)  0.6570.6701.5
ModeσneutσPREMPer cent diff
(2, 1, 1)  0.5000.5000
(4, 1, 0)  0.6640.6731.3
(4, 2, 1)  0.3040.3133.0
(4, 3, 1)  0.8520.860.9
(5, 4, 1)  0.9320.9401.1
(6, 2, 0)  0.8330.840.8
(6, 4, 1)  0.6570.6701.5
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