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EARTHSC 2GG3 (199)
Lecture

Lecture 31.pdf

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Department
Earth Sciences
Course
EARTHSC 2GG3
Professor
Sergei Basik
Semester
Fall

Description
Streams and Flooding Processes Lecture 31 November 15 2013 1 Groundwater Precipitation and Stream FlowSome of the precipitation in an area percolates through soil to become groundwater and is collected by rivers and streamsGaining streams are fed by groundwaterLosing streams lose water into the groundGAINING AND LOSING STREAMS In wet climates groundwater flows into gaining streams ensuring yearround flow In dry climates water from streams feeds the groundwater These losing streams may dry up between rainstormsAreas of moderate to high annual rainfallGroundwater continuously feed streamsChanges in precipitation result in changes to groundwater levels but stream inflow is generally constantSemiarid to arid regionsWater from losing streams sinks into ground and streams may dry up between storms
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