An Integrated Framework for Mapping Nationwide Daily Temperature in China

Table 1

Dependent variable and covariates considered in the multivariate linear regression analysis.

Variable group	Variable category (n)	Units
Dependent variable	Daily Ta (1): daily mean Ta (Ta-mean)	Degree Celsius
Covariates	Ts (4): TMOD_day (o_d), TMOD_night (o_n), TMYD_day (y_d), TMYD_night (y_n)	Degree Celsius
	Vegetation index (2): NDVI (ndvi), EVI (evi)	n/a
	Land cover type (1): LUCC (lucc)	Nominal
	Terrain (3): longitude (lon), latitude (lat), altitude (ele)	Decimal degree, decimal degree, meter