Skip to main content

Table 1 Performance of the degree 360 Slepian joint satellite and near-surface magnetic anomaly model (S360)

From: Utility of Slepian basis functions for modeling near-surface and satellite magnetic anomalies of the Australian lithosphere

Data Input (nT) S360 estimates (nT) CC RMS errors
Max.; Min. Avg. Std. Max.; Min. Avg. Std.
CHAMP satellite vector components
 B r 25.66; −19.23
(25.66; −17.51)
0.45
(1.56)
5.26
(5.96)
24.31; −20.74
(24.31; −18.74)
0.39
(1.44)
5.04
(5.77)
0.95
(0.98)
1.57
(1.28)
 B θ 23.03; −16.83
(12.98; −9.84)
0.79
(0.57)
4.31
(4.69)
22.18; −17.60
(16.89; −17.60)
0.17
(−0.17)
3.96
(4.41)
0.91
(0.94)
1.88
(1.77)
 B φ 12.98; −11.25
(12.98; −9.84)
0.23
(0.26)
3.37
(3.67)
11.29; −9.86
(10.97; −8.75)
0.12
(0.14)
2.99
(3.38)
0.90
(0.92)
1.47
(1.41)
Near-surface total intensities
 ΔT 749.8; −509.2
(749.8; −509.2)
−2.55
(7.82)
102.9
(116.1)
832.4; −455.0
(832.4; −455.0)
−1.99
(3.93)
95.8
(113.6)
0.93
(0.97)
38.1
(28.5)
  1. Statistics include the amplitude maximum (Max.), minimum (Min.), average (Avg.), and standard deviation (Std.) values, and the related correlation coefficients (CC) and root-mean-squared (RMS) errors of the input and estimated anomaly data. The numbers in parentheses are for the Australian mainland and Tasmania