Definition of hydrology
Hydrologic cycle and climate
Water is vital
HYDROLOGIC CYCLE AND GROUNDWATER (Chapter 17) - Lecture Outline
Last updated: 04/08/07
Basic considerations
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Definition of hydrology |
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Hydrologic cycle and climate |
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Water is vital |
1. Water and reservoirs
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Essential for life |
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critical resource |
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unique substance |
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participates in all geological processes |
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freshwater distribution |
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reserves are limited |
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hydrologic cycle |
2. Hydrology and climate
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relative humidity |
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rainfall |
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landscape |
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Ocean-land relations |
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mountain rain shadows |
3. Groundwater
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water in the grounds and in motion | ||||||
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factors
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water table | ||||||
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aquifer
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aquiclude | ||||||
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artesian systems | ||||||
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perched water table | ||||||
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recharge-discharge | ||||||
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velocity - Darcy's law | ||||||
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Cone of depression | ||||||
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Land subsidence | ||||||
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Saltwater intrusion |
4. Water resources from major aquifers
5. Erosion by groundwater
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Dissolution |
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Carbonate caves |
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Cave deposits |
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Sinkholes |
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Karst |
6. Water quality
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water chemistry |
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sewage |
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purification |
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toxic waste |
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nuclear waste |
7. Water deep in the crust
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meteoric water |
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magmatic water |
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hydrothermal water (hot springs) |
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role of microbes |
