Articles | Volume 19, issue 11
Hydrol. Earth Syst. Sci., 19, 4479–4492, 2015
https://doi.org/10.5194/hess-19-4479-2015
Hydrol. Earth Syst. Sci., 19, 4479–4492, 2015
https://doi.org/10.5194/hess-19-4479-2015

Research article 09 Nov 2015

Research article | 09 Nov 2015

Quantification of the contribution of the Beauce groundwater aquifer to the discharge of the Loire River using thermal infrared satellite imaging

E. Lalot et al.

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Short summary
This work shows that satellite thermal infrared images (LANDSAT) can be used to locate and quantify groundwater discharge into a large river (Loire River, France - 100 to 300 m wide). Groundwater discharge rate is found to be highly variable with time and space and maximum during flow recession periods and in winter. The main identified groundwater discharge area into the Loire River corresponds to a known discharge area of the Beauce aquifer.