The use of isotope methods in the study of groundwater balance (Almeria, Spain)
- 1 — St. Petersburg Branch, Institute of Geoecology RAS
- 2 — Institute of Geochronology and Precambrian Geology, RAS
Abstract
Hydrogeochemical and isotopic sampling of groundwater and surface water in the Almansora River basin was carried out in works on groundwater resources estimation in the province of Almeria (Spain). Surface and ground waters sampled in the Almansora River basin coincide with the general trend of atmospheric precipitation isotopic composition of the Mediterranean region, indicating an exclusively meteoric origin of ground and surface waters, the absence of significant isotopic fractionation after atmospheric precipitation, in particular due to evaporation. The insignificant role of transit flow in groundwater recharge within the hydrogeological unit of Auvers is shown.
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