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Table 2 Standard deviations of the difference between SAR- and GNSS-derived 3D deformation and modes of SAR-derived standard errors

From: Three-dimensional deformation and its uncertainty derived by integrating multiple SAR data analysis methods

 

Kumamoto (n = 16) [cm]

Tottori (n = 8) [cm]

Fig

EW

mode

NS

mode

UD

mode

Fig

EW

mode

NS

mode

UD

Mode

All

3,S5

1.2

1.4

4.3

4.7

1.2

1.2

4

0.6

0.9

3.8

3.8

0.7

0.7

 − Weight

S7

3.3

–

9.8

–

2.9

–

S7

0.9

–

3.8

–

1.1

–

 + Noisy data

S8

1.2

1.4

3.9

4.6

1.2

1.2

S9

0.6

0.9

3.4

3.5

0.7

0.7

 − Residual deramp

  + Each deramp

S11

1.0

0.9

6.7

3.3

1.2

0.7

S12

0.7

0.7

2.9

3.1

0.6

0.6

InSAR only

S13

1.0

1.7

3.4

6.5

1.3

1.2

S16

0.5

0.9

4.7

4.6

0.7

0.7

Pixel offset only

S14

6.4

7.6

9.4

7.7

2.9

5.9

S17

2.7

8.2

5.7

7.0

2.0

6.5

SBI only

S15

6.2

12.7

8.9

12.1

4.1

9.9

S18

4.2

9.9

3.9

9.4

1.9

7.5