Key Words:
CO2 Concentrations, Hourly Temperature, Downward total
solar irradiance, Climate Change, Arctic Region, Alaska
Acronyms: AMAP, Arctic Monitoring and Assessment Program, ARCH,
Autoregressive conditional heteroskedasticity; ARMA,
autoregressive–moving-average; ARMAX,
autoregressive–moving-average
with exogenous inputs; ECMWF, European Centre for Medium-Range Weather
Forecasts. MFP, multivariable fractional polynomial; RMSE,
root-mean-squared-error.