The application of rank correlation analysis on the evaluation of trends in the pore groundwater level changes in Huaibei Plain,Anhui Province

Two kinds of rank correlation analysis(Kendall and Spearman) were used with the SPSS software in this paper,the trends in pore groundwater level changes of different flow system in Huaibei Plain of Anhui Province and the two typical urban areas were evaluated.And contrasting with the intuitionistic determining results of the curve of groundwater level.The trend evaluate results of the two methods of rank correlation analysis were basically in the same.For this two methods had rigorous theory and...