Bayesian model averaging CWP Daymet V3 EEFlux Google Earth Engine Govindpur Kernel extreme learning machines M5 model tree Muskingum method NDVI PACF SVM-LF SVM-RF South Korea WANN additive regression artificial intelligence artificial neural network atmospheric reanalysis bagging big data calibration dagging ensemble modeling extension principle flood routing fuzzy sets and systems groundwater groundwater level prediction hydroinformatics