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Earth, Planets and Space

Table 3 Summary of validation tests for the 1-monthly GVO products

From: Geomagnetic Virtual Observatories: monitoring geomagnetic secular variation with the Swarm satellites

 

GVO series

Ground observatory comparison

Model comparison

Error estimates

\(\mathrm {rms}_r\)

\(\mathrm {rms}_{\theta }\)

\(\mathrm {rms}_{\phi }\)

\(\mathrm {rms}_F\)

\(\mathrm {rms}_r\)

\(\mathrm {rms}_{\theta }\)

\(\mathrm {rms}_{\phi }\)

\(\mathrm {rms}_F\)

\(\mathrm {rms}_r\)

\(\mathrm {rms}_{\theta }\)

\(\mathrm {rms}_{\phi }\)

All

GVO-OBS [nT]

3.00

6.98

5.25

3.91

4.16

3.59

4.00

3.83

4.17

7.18

6.92

GVO-CORE [nT]

4.12

5.17

3.55

4.37

3.84

2.83

2.16

3.67

3.42

2.78

1.85

GVO-SV [nT/yr]

3.06

4.35

3.60

3.18

1.60

1.64

1.48

1.69

1.62

1.66

1.32

Polar

GVO-OBS [nT]

4.28

10.30

7.27

4.83

5.47

5.24

5.19

5.30

8.13

14.44

15.71

GVO-CORE [nT]

5.35

7.42

5.26

5.35

4.25

3.51

2.92

4.25

4.00

3.58

2.76

GVO-SV [nT/yr]

4.46

6.11

5.03

4.25

2.19

1.95

2.50

2.20

2.22

1.96

1.87

Non-polar

GVO-OBS [nT]

1.90

4.11

3.51

3.12

3.70

3.01

3.59

3.31

2.78

4.63

3.83

GVO-CORE [nT]

3.05

3.23

2.08

3.52

3.69

2.59

1.89

3.46

3.22

2.50

1.53

GVO-SV [nT/yr]

1.86

2.83

2.35

2.26

1.40

1.53

1.12

1.51

1.41

1.55

1.13

Benchmark

GVO-OBS [nT]

1.67

3.71

3.32

2.53

3.80

3.10

3.66

3.42

3.92

4.69

4.36

GVO-CORE [nT]

2.81

2.45

2.22

2.80

3.80

2.75

1.89

3.58

3.30

2.66

1.55

GVO-SV [nT/yr]

1.80

2.50

2.35

1.75

1.40

1.63

1.14

1.56

1.42

1.64

1.15

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