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Due to the equipment installed at well JC01 being damaged by anthropogenic factors, only the data from 2 December 2013 to 14 May 2014 were collected in well JC01. The data from 10 February 2014 to 12 May 2014 in well JC06 were missing due to battery failure. The water table in well JC01 ranged from 1,331.30 to 1,331.69 m, with an average value of 1,331.64 m. However, the water table in well JC06 varied from 1,299.27 to 1,299.92 m with a mean value of 1,299.71 m. The ranges of groundwater levels for wells JC01 and JC06 were only 0.39 and 0.65 m (Table 2). Groundwater hydrographs for the two monitoring wells are shown in Figure 5. There existed significant differences between the water table dynamics in well JC01 and those in well JC06 during the monitoring period.
Table 2

Statistic parameters of groundwater level data in these monitoring wells

Well no.Observation time (d)Range (m)Min. (m)Max. (m)Mean (m)Variance
JC01 164 0.39 1,331.30 1,331.69 1,331.64 0.00 
JC02 138 1.06 1,351.80 1,352.86 1,352.59 0.06 
JC03 375 5.85 1,309.81 1,315.67 1,314.34 0.98 
JC04 193 4.96 1,332.30 1,337.26 1,334.10 0.66 
JC05 372 6.96 1,296.00 1,302.96 1,301.22 0.88 
JC06 280 0.65 1,299.27 1,299.92 1,299.71 0.03 
JC07 372 5.13 1,295.34 1,300.47 1,298.16 1.22 
JC08 372 5.95 1,291.40 1,297.35 1,296.67 0.64 
Well no.Observation time (d)Range (m)Min. (m)Max. (m)Mean (m)Variance
JC01 164 0.39 1,331.30 1,331.69 1,331.64 0.00 
JC02 138 1.06 1,351.80 1,352.86 1,352.59 0.06 
JC03 375 5.85 1,309.81 1,315.67 1,314.34 0.98 
JC04 193 4.96 1,332.30 1,337.26 1,334.10 0.66 
JC05 372 6.96 1,296.00 1,302.96 1,301.22 0.88 
JC06 280 0.65 1,299.27 1,299.92 1,299.71 0.03 
JC07 372 5.13 1,295.34 1,300.47 1,298.16 1.22 
JC08 372 5.95 1,291.40 1,297.35 1,296.67 0.64 
Table 3

The calculated results of groundwater evapotranspiration rate from wells JC01 and JC06

Well no.DateETGW (mm/d)
JC01 26 April 2014 5.40 
  27 April 2014 6.30 
  28 April 2014 6.75 
  Avg 6.15 
JC06 24 July 2014 9.90 
  25 July 2014 14.94 
  26 July 2014 12.60 
  Avg 12.48 
Well no.DateETGW (mm/d)
JC01 26 April 2014 5.40 
  27 April 2014 6.30 
  28 April 2014 6.75 
  Avg 6.15 
JC06 24 July 2014 9.90 
  25 July 2014 14.94 
  26 July 2014 12.60 
  Avg 12.48 
Figure 5

The WTFs in the monitoring wells: (a) JC01 and (b) JC06.

Figure 5

The WTFs in the monitoring wells: (a) JC01 and (b) JC06.

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