Research Article

Associated Determinants of Surface Urban Heat Islands across 1449 Cities in China

Table 3

Accuracy statistics for the daytime and nighttime SUHII simulation for all of China and its four regions annually and for four seasons.

Time slotChinaRegion IRegion IIRegion IIIRegion IV
RMSERRMSERRMSERRMSERRMSER

AnnD1.100.59a0.990.54a0.690.59a1.240.79a0.990.45a
N0.490.71a0.610.65b0.380.80a0.910.130.610.59a
WinD1.300.56a1.770.251.230.48a1.990.421.200.52a
N0.840.62a1.400.140.660.65a0.880.50a0.710.56a
SprD1.410.64a1.840.37b1.230.74a1.990.43b1.250.70a
N0.580.66a0.520.78a0.430.70a0.900.380.560.69a
SumD1.540.55a1.220.77a0.990.62a1.870.80a2.180.19
N0.620.63a0.560.71a0.450.71a0.760.79a0.610.43a
AutD0.950.69a1.610.32b0.700.61a1.240.58a0.980.59a
N0.630.63a0.510.74a0.550.76a0.930.42b0.530.67a

Note: asignificant at the 0.01 level; bsignificant at the 0.05 level; Ann, Win, Spr, Sum, and Aut stand for during the whole year, winter, spring, summer, autumn, respectively; D and N stand for during daytime and nighttime, respectively.