Skip to main content

Table 1 Scaling solutions used in this study

From: Comparison of different methods to account for the plasmaspheric electron content in GNSS-derived ionospheric altimeter corrections and their impact on sea level trend estimation

Solution

Scaling type

Details

0

No scaling

JPLG GIM

1

VTEC model values

JPLG GIM and NeQuick2

2

Ratio of model values

JPLG GIM and IRI-Plas 2020

3

Ratio of model values

JPLG GIM and NeQuick2

4

Const. factor

JPLG GIM and 0.881

5

Const. factor; Jason-1 period

JPLG GIM and 0.899

6

Machine learning

Regression tree