| English | Spanish |
| environmental monitoring system | sistema de control del medio |
| European monitoring system of forest health | sistema europeo de supervisión del estado de los bosques |
| Global Environment Monitoring System | Sistema Mundial de Vigilancia del Medio Ambiente |
| Global Environment Monitoring System | Sistema mundial de viligancia del medio ambiente |
| Global Environmental Monitoring System | Sistema Mundial de Vigilancia del Medio Ambiente |
| hydrological monitoring system | sistema de control hidrológico |
| monitoring system | sistema de vigilancia |
| monitoring system A coordinated body of sensory and communications devices that observes, detects or records the outputs or operations of any natural or artificial system in order to construct a history or future of events | sistema de vigilancia |
| World Climate System Monitoring Programme | Programa Mundial de Viligancia del Sistema Climático |