Fig. 1. Automatic water meter installed at the outlet of control(CT) block (Thalimedes, OTT, the Netherlands)
Fig. 2. Plane view of treated irrigation block, irrigation and drainage ditch, and block monitoring site of the study area located in Yongke-ri, Baeksan-myon, Buan-gun, Jeonbuk Province in Saemanguem watershed.
Table 1. 30-year daily rainfall analysis in Gunsan city during 1985-2015
Table 2. Experimental treatment, area and number of fields of the 5 irrigation block monitored in this study
Table 3. Comparison of runoff depth (mm) with respect to measurement period and runoff reduction ratio (%) of respective treatment with respect to control(CT)
Table 4. Average concentration of paddy non-point source pollutants with respect to treatment and measurement period (Unit: mg/L)
Table 5. Arithmetic average of all measured concentration data with respect to measurement period (Unit: mg/L)
Table 6. Average load of paddy non-point source pollutant with respect to treatment and measurement period (Unit: kg/ha)
Table 7. Reduction rate of selected paddy non-point source pollutant from treated block over conventional block(Unit: %)
Table 8. Non-point source pollution load per mm of drainage (g/mm/ha)
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