Water that occupies pores and crevices in rock and soil, below the surface and above a layer of impermeable material. It is free to move gravitationally, either downwards towards the impermeable layer or by following a gradient. (Source: GEMET/ALL)
Multilateral environment agreements tagged with agua subterránea
You can see below a list of multilateral environment agreements. Use the links on the right to view the content tagged with agua subterránea. This includes official treaty texts, decisions, recommendations, and other related informational documents such as publications, annuals, meetings, documents or reports.