storm hydrograph 0.0 / 5 ? GeographyRivers and fluvial processesASAQA Created by: jacobthomas1999Created on: 30-01-16 11:17 What is the storm hydrograph? a chart that shows how discharge of a stream or river responds to a period of precipitation 1 of 7 What's the rising limb? the increase in discharge in response to precipitation. The more rapid the response the steeper the rising limb 2 of 7 What's peak flow? the maximum discharge in response to a precipitation event 3 of 7 What's the falling limb? when discharge declines after peak flow 4 of 7 What's the lag time? the difference between the time of maximum precipitation and the peak discharge 5 of 7 what's stormflow? the proportion of the total discharge contributed by the precipitation event 6 of 7 What's base flow? the proportion of the total discharge contributed by water stored in permeable rocks, soils and vegetation 7 of 7
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