GEOG 205 Lecture Notes - Lecture 10: Vadose Zone, Memory Stick, University Of Manchester

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Module 2a: foundations of river science (fundamentals for understanding the 2013 alberta floods: water cycle/flow paths. The discharge of a river shows much variation during a year and in the short term. It can fluctuate a lot in a matter of hours in response to periods of rain. The water table fluctuates due to changes in groundwater supply (recharge) or water withdrawals (discharge). http://www. personal. kent. edu/~sclement/dynamics/groundwater/index. 3. jpg. The height of the water table usually follows topography - higher under hills and lower under basins. Because of this groundwater flows from areas of high pressure to areas of low pressure - much like surface water that flows downhill. When the runoff process exceeds the infiltration capacity water flows into another area of the watershed with a superior infiltration capacity. Using mathematical models and site experiments, the resultant runoff process explains the hydrological basin"s answer in semi-arid climates and also in conditions of important rainfall intensity.

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