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Earth, Planets and Space

Table 2 Linear fit coefficients and correlation between the estimated daily field variation and the magnetic field data

From: Evaluation of the Solar Quiet Reference Field (SQRF) model for space weather applications in the South America Magnetic Anomaly

Year

Month

a (nT)

b

r

RMSE (nT)

2018

4

1.41

0.82

0.959

3.83

5

− 1.25

1.00

0.986

2.03

6

0.99

1.12

0.976

2.94

7

1.78

1.17

0.979

3.79

8

3.97

1.19

0.940

7.10

9

0.80

1.04

0.983

2.81

11

1.82

0.91

0.990

2.23

12

1.86

1.09

0.968

3.92

Average

1.42

1.04

0.973

3.58

  1. The spatial interpolation was performed to modeled parameters for MED in 2018
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