AGUAS SUBTERRANEAS ARGENTINA Agricultural activities Agricultural expansion Aquifer vulnerability Aquifers Argentina Computer simulation Critical location DRASTIC-P Dyna-CLUE model Effective tool Environmental Monitoring Environmental change Forestry Groundwater pollution Groundwater quality Groundwater resources Groundwater vulnerability Integrated methodology Land use Land-use change MODELOS DE SIMULACION Monitoring network PAMPA POLUCION DEL AGUA Pampas Pollution Rating Risk Assessment