sueannesaurus

Friday, June 13, 2008

A short note on typically groundwater

Typically groundwater is consider of as liquid water flowing through shallow aquifers, however technically it can as well include soil moisture, permafrost (frozen soil), motionless water in extremely low permeability bedrock, and deep geothermal or oil formation water. Groundwater is assumed to give lubrication and buoyancy which let thrust faults to move. Almost any point in the Earth's subsurface has water in it; to some degree (it can be very dry or mixed with other fluids). Groundwater is not restricted or confined only to the Earth, either; subsurface water on Mars is considered to have given rise to some of the landforms.

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