%0 Journal Article %T Propiedades hidrogeoqu¨ªmicas e isot¨®picas del agua subterr¨¢nea en la parte media de la cuenca del R¨ªo Tuli¨¢n, Puerto Cort¨¦s, Honduras %A Contreras %A Tirza C %A Vargas %A Ingrid %A Badilla %A Elena %J Revista Geol¨®gica de Am¨¦rica Central %D 2012 %I Universidad de Costa Rica %X the present study identifies the hydrochemical and isotopic properties of 11 springs, including one thermal spring, in tulian watershed, located in the city of puerto cort¨¦s, cort¨¦s, honduras. the relation between the concentrations of the environmental stable isotopes deuterium (2h) and oxygen -18 (18o) in the water is similar to the relation in global meteoric water, indicating that the water has a meteoric origin. evaluation of the geochemical characteristics of the water reveals that these springs belong to the same hydrogeological system, which comprises a fractured schist and gneiss of the esquistos cacaguapa formation. the water of the evaluated springs is mainly na-ca-hco3. the ¦Ä2h (¡ë) and ¦Ä2h contents indicate that there is no variation in the ¡ë value. %K hydrochemistry %K oxygen -18 %K deuterium %K springs %K thermal springs %K puerto cort¨¦s. %U http://www.scielo.sa.cr/scielo.php?script=sci_abstract&pid=S0256-70242012000100006&lng=en&nrm=iso&tlng=en