Table 3 Comparison of the results of the hydraulic and biological methods
From: Coupling groundwater modeling and biological indicators for identifying river/aquifer exchanges
Hydraulic | Macrophytes | Invertebrates | ||||
|---|---|---|---|---|---|---|
KP | Bank | Type | Qf | Qu | ||
m3/day | m3/day/km | |||||
115_114.5 | Right | Rhône River | - | - | Weak, karst | - |
114.5_113 | Right | Rhône River | - | - | Nil | - |
113_111 | Right | Rhône River | -1541 | -871 | Nil | - |
111_110.75 | Right | Dam influence | -349 | -1294 | Medium to high, karst | - |
110.75_109 | Right | Dam influence | 6097 | 2170 | Medium to high, karst | - |
109_108 | Right | Dam influence | - | - | Medium to high, karst | - |
108_105 | Right | Dam influence | - | - | Nil to weak, karst | - |
105_103 | Right | Dam influence | - | - | Weak to medium, karst | - |
1_4 | Right | Derivation canal | - | - | - | - |
4_9 | Right | Derivation canal Restitution | - | - | Medium to high, aquifer of the Gland River | Deep groundwater flow |
9_dowstream | Right | Restitution, Rhône River | - | - | Weak to nil | Weak groundwater flow |
116_115 | Left | Rhône River | -582 | -583 | - | - |
115_114.5 | Left | Rhône River | -86 | -157 | Nil | - |
114.5_112 | Left | Rhône River | 393 | 111 | Nil | - |
112_111 | Left | Rhône River | - | - | Nil | - |
111_110 | Left | Dam influence | -354 | -603 | Nil, pollution from karst | Important exchanges, mixing |
110_106 | Left | Dam influence | 1723 | 465 | Nil to weak | - |
106_102.5 | Left | Dam influence | -462 | -151 | Nil to weak, flow from the Rhône River to the aquifer | Flow from the Rhône River to the aquifer |
102.5_99 | Left | Rhône River | 54340 | 12968 | Medium to high, groundwater | Flow from the aquifer to the Rhône River |
99_dowstream | Left | Rhône River | - | - | Weak, preferential corridor, groundwater | preferential corridor, groundwater |
103_99 / 1_5 | Mont Cordon | Rhône River, Derivation canal | - | - | Karstic reappearance | Karstic reappearance |