Bayesian principal component analysis (BPCA) China El Niño–Southern Oscillation El Niño–Southern Oscillation (ENSO) History of engineering & technology Huai River Basin Indian Ocean Dipole (IOD) Indian Ocean Dipole mode KGE MODIS chlorophyll-a PERSIANN-CDR Technology: general issues agricultural drought error propagation extreme precipitation index fuzzy C-means clustering genetic programming hydrological drought hydrological modeling integrated drought monitoring intentional statistical simulation linear trend meteorological drought monsoon-climate watershed multiple polynomial regression mutual information non-stationarity of seasonal precipitation prediction rainfall variability remote sensing