Geology Reference
In-Depth Information
Figure 13.
Example of a map of groundwater potential (obtained from multivariate
analysis integrating the thickness of the weathering profile - cf. Fig. 11) on the
Lozère part of the Truyère river catchment (700 km
2
, Massif Central, France).
Dark blue to red: increasing groundwater potential.
Figure 14.
Map of groundwater reserves (in metres of water).
La Roche Sur Yon Granite (Vendée, France).
