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机译:
East China Normal Univ;
Northwest Inst Ecoenvironm & Resources;
Univ SwatNanjing UnivGC Univ LahoreChina Agr Univ;
rainfall change; CHIRPS; PERSIANN-CDR; descriptive statistics; non-parametric trends; Google Earth Engine; central Punjab; ASIAN SUMMER MONSOON; PRECIPITATION PRODUCTS; AGRICULTURAL DROUGHT; CROPPING SYSTEM; CLIMATE-CHANGE; ARID REGION; TEMPERATURE; VALIDATION;