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Table 1 Classification of input variables and scoring of candidate groundwater station according to the total agro-environmental loads at the municipality level

From: A novel LUMNAqSoP approach for prioritising groundwater monitoring stations for implementation of the Nitrates Directive

Class Range of input variables Total loads
Variable 1 Variable 2 Variable 3 Variable 4 Variable 5
LUM (%) N-min (kg/ha) N-org (kg/ha) Aq (vulnerability index)* SoP (hydraulic conductivity m/day)
1 1–16 20.1–54.4 0.0–6.2 Very low (26–80) Very poor (≤ 0.01)  
2 17–23 54.5–66.6 6.3–11.5 Low (> 8–105) Poor (> 0.01–0.05)
3 24–29 66.7–74.2 11.6–16.9 Moderate (> 105–140) Weak to moderate (> 0.05–0.1)
4 30–36 74.3–95.8 17.0–24.7 Increased (> 140–186) Moderate to high (> 0.1–0.5)
5 37–44 95.9–108 24.8–38.0 High (> 186–210) High to very high (> 0.5–1.0)
6 45–51 108.1–129 38.1–154 Very high (> 210–260) Very high (> 1.0)
7 52–62     
8 63–89     
Total 8 6 6 6 6 32
  1. *Valid for Panonian basin