%0 Journal Article %T Modelado geof¨ªsico del basamento del ¨¢rea metropolitana de la ciudad de M¨¦rida, Venezuela %A REINOZA %A CARLOS %A S¨¢NCHEZ %A JAVIER %A SCHMITZ %A MICHAEL %A KLARICA %A ST¨¦PHANIE %J Revista de la Facultad de Ingenier¨ªa Universidad Central de Venezuela %D 2006 %I Scientific Electronic Library Online %X the thickness of soft sediments in metropolitan merida city area was obtained from 3d gravimetric, 1d and 2d seismic refraction modelling. a bouguer anomaly map was obtained with a bouguer density of ¦Ñb=2.67 g/cc and a datum reference level of 1500 meters above sea level. anomalies vary between -381.58 and -360.57 mgal. a tridimensional density model was generated based on geological and geophysical data. 1d and 2d models from five near surface seismic refraction profiles obtained in ejido city showed the following results: apparent p and s waves velocities of 750-1115 m/s and 320-620 m/s to a first layer with a maximum thickness of 15 m. in a second layer the velocities are between 2080-2600 m/s to p waves and 550-830 m/s to s waves. the results were integrated in a geographic information system (gis). %K thickness %K sediments %K gravimetric data %K refraction seismic %K model. %U http://www.scielo.org.ve/scielo.php?script=sci_abstract&pid=S0798-40652006000400007&lng=en&nrm=iso&tlng=en