Author(s), and dataset | Average near-surface air temperature in ˚C | |||||||
Polygons | Equation (36) | |||||||
NH | SH | Δ(NH-SH) | Earth | NH | SH | Δ(NH-SH) | Earth | |
Dove [ 19 ], Do1852 | 14.9 | 11.8 | 3.1 | 13.3 | 15.3 | 14.3 | 1.0 | 14.8 |
Forbes [ 23 ], Fo1859 | 14.9 | 11.8 | 3.1 | 13.4 | 15.4 | 14.1 | 1.3 | 14.8 |
Ferrel [ 12 ], Fe1877 | 14.8 | 15.4 | −0.6 | 15.1 | 15.2 | 15.9 | −0.7 | 15.5 |
Spitaler [ 10 ], Sp1885 “Complete dataset” | 15.2 | 14.6 | 0.6 | 14.9 | 15.2 | 14.7 | 0.5 | 14.9 |
Spitaler [ 10 ], Sp1885 “Reduced dataset” | 14.7 | 14.1 | 0.6 | 14.4 | 15.2 | 14.7 | 0.5 | 15.0 |
Batchelder [ 11 ], Ba1894 | 14.7 | 13.3 | 1.4 | 14.0 | 15.2 | 14.0 | 1.2 | 14.6 |
Arrhenius [ 26 ], A1896-1 | 15.0 | 13.5 | 1.5 | 14.2 | 15.2 | 13.7 | 1.5 | 14.4 |
Arrhenius [ 14 , 26 ]*, A1896-2 | 13.7 | 13.0 | 0.7 | 13.3 | 13.8 | 13.2 | 0.6 | 13.5 |
von Bezold [ 7 ], vB1901-1 “Spitaler” | 15.3 | 14.4 | 0.9 | 14.9 | 15.0 | 14.1 | 0.9 | 14.6 |
von Bezold [ 7 ], vB1901-2 “Batchelder” | 15.4 | 14.4 | 1.0 | 14.9 | 15.1 | 14.0 | 1.1 | 14.6 |
Hopfner [ 33 ], Ho1906-1 | 14.9 | 13.2 | 1.7 | 14.1 | 15.4 | 13.6 | 1.8 | 14.5 |
Hopfner [ 33 ] Ho1906-2 | 15.0 | 13.7 | 1.3 | 14.4 | 15.5 | 14.1 | 1.4 | 14.8 |
von Hann [ 32 ], vH1908 | 14.8 | 13.6 | 1.2 | 14.2 | 15.2 | 14.2 | 1.0 | 14.7 |