Inferred Industrial and Agricultural Activities Impact on Groundwater Quality of Skhira Coastal Phreatic Aquifer in Southeast of Tunisia (Mediterranean Region)

Table 1

Fitted parameters of variogram for groundwater quality prediction maps.

Parameters	ME	RMSE	AKSE	MSPE	RMSP
pH	-0.0013	0.225	0.2317	-0.00219	0.9499
EC	-2.803	127	130.9	-0.0117	0.66
NO3	0.315	11.07	12.75	-0.0021	0.91
H2PO4	-1. 483	21.92	22.42	-0.0633	1.66
SO4^2	-0.957	18.21	17.28	-0.0205	0.87
F	-0.044	1.33	2.06	0.0300	0.69

ME: mean error; RMSE: root mean squared error; AKSE: average kriging standard error; MSPE: mean standardized prediction error; RMSP: root mean square standardized prediction.