Modelización hidrogeoquímica del agua de infiltración en la Cueva de Nerja (Málaga)

  1. Cardenal, J.
  2. Benavente, J.
  3. Andreo, B.
  4. Carrasco, F.
Revista:
Geogaceta

ISSN: 0213-683X

Any de publicació: 1998

Número: 25

Pàgines: 63-66

Tipus: Article

DIALNET GOOGLE SCHOLAR lock_openArias Montano editor

Altres publicacions en: Geogaceta

Resum

A hydrochemical study of the drip water in the Nerja Cave has been carried out using geochemical modeling. Results indicate that major ions in the infiltration water are meteoric in origin (évapotranspiration of rain water plus equilibrium with a soil Pc02 of TO 25 atm) but sequential dissolution of calcite and dolomite also occurs in an open system to C02. Moreover, because the low discharge rate of the drip water points, this water maintains long contact with the cave atmosphere before enough volume can be sampled for a complete analysis. Thus measured pH are strongly affected, so modeled pH are lower (even 0.3-0.6 pH-units) than those measured ones

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