Photo by Jennifer Boyer: Geothermal Greenhouses in Hveragerði, Iceland. Geothermal Greenhouses: A...
Aquifer
Porous and permeable rock unit or unconsolidated layer in the subsurface in which all the pores and voids are filled with water. Water supply for wells comes from aquifers.
Geothermal Glossary
Word of the Week – Geochemical Tracer
Geochemical Tracer An environmentally benign chemical that is injected to trace fluid movement through the geothermal reservoir and that can be easily detected in produced hot fluid.
Word of the Week – Geothermal Gradient
Geothermal Gradient The increase in temperature with depth below the surface, usually reported in units of °C/km.
Word of the Week – Geyser
Geyser A rare type of hot spring that periodically discharges a fountain of hot water and steam (or sometimes just gas).