Blue Water Footprint of National Production

Blue water footprint ? Volume of surface and groundwater consumed as a result of the production of a good or service. Consumption refers to the volume of freshwater used and then evaporated or incorporated into a product. It also includes water abstracted from surface or groundwater in a catchment and returned to another catchment or the sea. It is the amount of water abstracted from ground- or surface water that does not return to the catchment from which it was withdrawn. Water footprint of national production ? Another term for the ?water footprint within a nation?: Water footprint within a nation Is defined as the total freshwater volume consumed or polluted within the territory of the nation.