WHAT IS GROUNDWATER?
What is groundwater?
Porosity vs. Premeability
- Porosity- the amount of space in between soil particles.
- Permeability- the material's ability to allow fluids to pass.
These terms play a big part in groundwater. The affects these terms have on the groundwater's presence is the determination of what materials hold the water.
Parts Of The Water Table
- Zone of Aeration- the region between earth's surface and the water table.
- Zone of Saturation- the area where groundwater fills up all pores in the soil.
- Water Table-the boundary between the zone of aeration and the zone of saturation.
- Aquiclude- an impermeable aquitard.
- Aquifer- a body of permeable rock that can contain or transmit groundwater.
WATER TABLE DIAGRAM
Types Of Aquifers
- Unconfined Aquifers- water flows freely.
- Confined Aquifers- water flow is restricted by impermeable layers called aquicludes.
Effects From Depleting GroundWater
- Ground subsidence
- Loss of water supply (drop in water table)
- More energy to dig deeper for water
- Saltwater intrusion
Things That We Do To Pollute Water
- Throwing trash into the water
- Acid rain
- Paved roads
- Oil industries
- Heat (thermal pollution)
- Agricultural runoff