College of Hydrology and Water Resource;
Hohai University;
Nanjing 210098;
China;
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering;
Nanjing 210029;
China;
Hydrology and Water Resources Department;
Nanjing Hydraulic Research Institute;
Nanjing 210029;
China;
effective utilization coefficient of irrigation water; spatial autocorrelation; multivariate linear regression; geographically weighted regression;