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Ground Water
| Term | Definition |
|---|---|
| Groundwater | Water that is in the Ground |
| Porosity | amount of pore spaces |
| Water Table | Upper boundary |
| Zone of Aeration | Air in pores above |
| Permeability | ability of material to let water pass. |
| Aquifers | permeable sediments with large pores. |
| Aquicludes | are barriers to groundwater flow. |
| Springs | Natural discharge of groundwater. |
| Hot springs | igneous activity >37C |
| Geyser | explosive hot spring |
| Carbonic Acid | H2CO3 |
| Calcite | Type of mineral in limestone. |
| Stalactites | form by calcite |
| Hard water | high amounts of Ca, Mg, Fe; can clog pipes |
| Ordinary Well | reaches below water table |
| Cone of Depression | forms by overpumping |
| Recharge | filling back up by precipitation. |
| Wells | Hole in ground to an aquifer. |
| Artesian Well | water spurts like fountain. Aquifer under preasure |
| Threats to Water Supply | Overuse, Pollution, Salt, Chemicals, Radon |