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As a second phase, the estimation performance of the proposed method was compared with its alternatives, which are the conventional Curve-matching Method and the Straight-line Method (Lohman 1972), Glover's (1978) method, and the relatively new techniques developed by Swamee et al. (2000) and Singh (2007). The aquifer parameters provided by these alternative techniques are presented in Table 5. The regenerated discharge values with these estimated formation parameters, as well as the actual discharge data are exhibited in Figure 10. In addition to the picture portrayed in Figure 10, the RMSE statistics depicted in Table 5 noticeably demonstrate the advantage of the proposed method in terms of its accuracy.
Table 5

Estimation performance of implemented methods

 TSRMSE
Proposed AMP 7.48 × 10−4 1.98 × 10−5 3.70 × 10−4 
Type-Curve Method (Batu 1998) 5.58 × 10−4 1.58 × 10−4 1.67 × 10−3 
Straight-Line Method (Batu 1998) 7.49 × 10−4 1.15 × 10−5 1.05 × 10−3 
Glover (1978)  7.11 × 10−4 4.15 × 10−5 5.02 × 10−4 
Swamee et al. (2000)  6.96 × 10−4 3.88 × 10−5 3.92 × 10−4 
Singh (2007)  7.02 × 10−4 3.64 × 10−5 3.71 × 10−4 
 TSRMSE
Proposed AMP 7.48 × 10−4 1.98 × 10−5 3.70 × 10−4 
Type-Curve Method (Batu 1998) 5.58 × 10−4 1.58 × 10−4 1.67 × 10−3 
Straight-Line Method (Batu 1998) 7.49 × 10−4 1.15 × 10−5 1.05 × 10−3 
Glover (1978)  7.11 × 10−4 4.15 × 10−5 5.02 × 10−4 
Swamee et al. (2000)  6.96 × 10−4 3.88 × 10−5 3.92 × 10−4 
Singh (2007)  7.02 × 10−4 3.64 × 10−5 3.71 × 10−4 
Figure 10

Calculated discharge variations for the implemented methods.

Figure 10

Calculated discharge variations for the implemented methods.

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