an aquifer whose upper water surface (water table) is at atmospheric pressure, and thus is able to rise and fall.

Average Recurrence Interval

groundwater that is under pressure when tapped by a well and is able to rise above the level at which it is first encountered. It may or may not flow out at ground level. The pressure in such an aquifer commonly is called artesian...

an process where water is put back into groundwater storage from surface-water supplies such as irrigation, or induced infiltration from streams or wells.

Association of South East Asian Nations

Alam Sekitar Malaysia

Alam Sekitar Malaysia Sdn. Bhd. a privatised environment

Aviation Turbine Fuel

layers of gases which surround the Earth. Although the atmosphere may not be a great storehouse of water, it is the superhighway used to move water around the globe

layers of gases which surround the Earth. Although the atmosphere may not be a great storehouse of water, it is the superhighway used to move water around the globe.