Table 2 Fractional areas for effective DRASTIC parameters.
Depth to water table (m) | Net recharge | Aquifer media | |||
|---|---|---|---|---|---|
Rating | Area (percentage %) | Rating | Area (percentage %) | Rating | Area (percentage %) |
1 | 1922.2 (95) | 1 | 57.497 (2.8) | 4 | 24.134 (1.2) |
2 | 73.08 (3.6) | 3 | 1076.4 (53.2) | 5 | 1251.4 (61.8) |
3 | 28.113 (1.4) | 5 | 889.49 (44) | 7 | 747.88 (37) |
Soil media | Topography (slope %) | Impact of the vadose zone | |||
|---|---|---|---|---|---|
Rating | Area (percentage %) | Rating | Area (percentage %) | Rating | Area (percentage %) |
1 | 82.91 (4.1) | 1 | 1.18 (0.1) | 3 | 923.75 (45.7) |
3 | 271.72 (13.4) | 3 | 1.86 (0.1) | 5 | 903.42 (44.6) |
4 | 281.5 (13.9) | 5 | 31.24 (1.5) | 7 | 196.26 (9.7) |
5 | 833.57 (41.2) | 9 | 774.8 (38.3) | ||
6 | 547.64 (27.1) | 10 | 1214.3 (60) | ||
9 | 6.094 (0.3) | ||||
Hydraulic conductivity | Land use | NO3-(mg/L) | |||
|---|---|---|---|---|---|
Rating | Area (percentage %) | Rating | Area (percentage %) | Rating | Area (percentage %) |
1 | 630.4 (31.2) | Bare land and desert | 143.34 (7.1) | 2.2 - 14 | 1319.2 (65.2) |
2 | 1358 (67.1) | Hand-planted forests | 210.29 (10.4) | 14 - 28 | 341.52 (16.9) |
4 | 35 (1.7) | Dry lake | 17.611 (0.9) | 28 - 48 | 248.53 (12.3) |
Low density pastures | 1010.3 (49.9) | 48 - 70 | 86.247 (4.3) | ||
Irrigated field crops | 520.58 (25.7) | 70 - 100.4 | 27.919 (1.4) | ||
Urban areas | 121.28 (6) | ||||
