Science – Society – Technology
Table 3 Pairwise comparison matrix of the four criteria included in the potential study and their respective weighting factors
From: Potential of low-temperature aquifer thermal energy storage (LT-ATES) in Germany
| Â | Aquifer productivity | Iron and manganese contents in groundwater | Groundwater flow velocity | Ratio CDDs/HDDs | Weighting factor |
|---|---|---|---|---|---|
Aquifer productivity | 1 | 8 | 3 | 4 | 0.54 |
Iron and manganese contents in groundwater | 1/8 | 1 | 1/7 | 1/6 | 0.04 |
Groundwater flow velocity | 1/3 | 7 | 1 | 2 | 0.25 |
Ratio CDDs/HDDs | 1/4 | 6 | 1/2 | 1 | 0.17 |