Table 2
List of the proxies (labels from Table 1) and the corresponding formulae.
| Plot label | Formula |
|---|---|
| KU1984_V1 | 71.74 + 0.2970 SN + 0.005146  for SN < 100.5, |
104.63 + 0.3037 SN + 0.001817  for SN > 100.5 |
|
| HV1984_V1 | 67.0 + 0.97 SN + 17.6 ( ) |
| XP1985_V1 | 68.15 + 0.65 SN |
| HA2002_V1 | 58.52 + 0.926 SN |
| ZH2008_F1 | 60.1 + 0.932 SN |
| ZH2008_F3 | 65.2 + 0.633 SN + 3.76 × 10−3  + 1.28 × 10−5  |
| SV2009_V1 | 67.29 + 0.316 SN + 1.084 × 10−2  + 6.813 × 10−5  + 1.314 × 10−7  |
| IPS2011_V1 | 67.0 + 0.572 SN + 3.31 × 10−3  − 9.13 × 10−6  |
| T2011_V1 | 66 + 0.446 SN  |
| J2011_F1ma | 60.72 + 0.900 SN + 0.0002  |
| J2011_F1ya | 62.87 + 0.835 SN + 0.0005  |
| J2011_F2ma | 62.72 + (0.686 SN)1.0642 |
| J2011_F2y | 64.98 + (0.582 SN)1.0970 |
| NOAA_V2 | 67.00 + 0.4903 SN for SN ≤ 50; |
| 56.06 + 0.7092 SN for SN > 50 | |
| T2017_V1 | 67 + 0.44 SN |
| T2017_V2 | 67 + 0.31 SN |
| TK2018_F1 | 62.51 + 0.6422 SN |
| TH2018_F2 | 65.6605 + 0.500687 SN + 1.21647 × 10−3  |
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