July, 2006
Arizona Water Resources,
Joe Gelt
ed.,
vol.
14,
no.
6,
16
pp.,
Water Resources Research Center,
Tucson, AZ,
July, 2006
Geothermal energy is expected to be a topic of growing importance in Arizona. Not only an energy issue, geothermal is also a water issue. In a hydrothermal system, water heated in the earth's interior is brought to the surface to be used as a source of energy. Geothermal heated water is also called geothermal fluid.