Recharge to extensive aquifers by means of atmospheric chloride deposition and ground temperature
DOI:
https://doi.org/10.21701/bolgeomin.120.4.010Keywords:
aquifer, chloride balance, geothermal gradient, recharge, SpainAbstract
One of the most uncertain and at the same time essential values for groundwater knowledge and management is aquifer recharge, especially in large areas with scarce data. Under steady state circumstances the atmospheric chloride deposition balance is an effective method to estimate average diffuse recharge and its possible error. Progress in the application are reported to some aquifers, in some of which the water mixtures in groundwater sampling from the aquifer due to recharge spatial variability are considered. Also, recharge affects in ground temperature distribution is considered as an indicator of recharge. Spanish examples from the Iberian Peninsula: Doñana, Anoia, the Llobregat delta, and the whole territory are considered, and also from the archipelagos The Canaries: Gran Canaria, Fuerteventura and La Gomera, and the Balearic Islands: Mallorca.
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