ANN ARIMA Carpathian Mts Copernicus Sentinel-1 History of engineering & technology InSAR Mann-Kendall Pusa station SMOS surface soil moisture SPI SVM-LF SVM-RF Sen's estimator Standardized Precipitation Evapotranspiration Index (SPEI) Technology: general issues WANN Wadi Cheliff Basin agricultural drought atmospheric blocking atmospheric circulation atmospheric drought atmospheric evaporative demand beech biodiversity blue green infrastructure central Poland climate change climatic water balance drought eddy covariance