EESB04H3 Lecture 12: Lecture 12

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12 Jan 2012
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Lecture 12 y a: assumes that baseflow during a precipitation event is constant (amount at start of storm same as at end of storm). If you plot ln q of the regression q against time, you will find an change in slope (the inflection point). y c: assumes a continued decrease in baseflow during the rising limb until peak flow. Probably will go up and discharging is increasing. That timing of inflection point is where you actually make your point to inflection point (fig5. 33). Increasing amount of baseflow throughout storm. y presume continuing baseflow shape until peakflow. Baseflow is still coming down from previous storm, and discharge is still coming down. You would continue as straight slow doing down and changing up to inflection point. y never going to get runoff ratio more than 1 because it goes in different places. Large runoff ratio means little precipitation goes towards evaporation and most being there to produce runoff.

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