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Unformatted text preview: drainage basin o also called a waTershed o area drained by a river or sTream sysTem fundamenTal working uniT used To break down earTh’s surface discharge=q amounT of waTer draining from a river or sTream over a period of tme uniTs: cfs (cubic feeT per second) or cms Q=AxV o A= cross-sectonal Area Subdued- slow response, heavy vegeTaton, EX; Amazon River Basin Flashy: fasT, sudden response, rocky/no vegeTaton, EX: Mojave deserT GroundwaTer Aquifer: any waTer Transmi³ng maTerial Aquiclude: any material that obstructs the fow oF water Porosity: pore space between grains o Tells how much water can be stored Permeability: rate at which water fows through material ±igure 15.4 Path ²me How long does it take water to move through the system Residency ²me How long water stays in storage Varies greatly with type oF storage Water is the Fundamental driver oF what happens on earth’s surFace...
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- Fall '11
- Water vapor, amazon river basin, Mojave Desert, Drainage basin