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40 Cards in this Set
- Front
- Back
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geysers
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hot springs that intermittenly shoots columns of hot water and steam into the air
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capillary action
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a phenomenon whereby groundwater rises because the water molecules are attracted to soil particles.
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recharge
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the refilling of the soil water supply and there is little need for water by plants
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water table
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the upper surface of the zone of saturation
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aquifers
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permeable layers of rock and sediments that store and carry groundwater in enough quantity to supply wells
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mineral deposit
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the deposit that is left behind when mineral rich water cools.
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artesian formation
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a sandwich of permeable and impermeable rocks that store water
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usage
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the condition where [lants drew water from the soil at times when the need for moisture is greater than the rainfall.
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spring
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these occur on a hillside when the water table meets the surface and ground water falls out.
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surplus
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when the soil storage is filled and when rainfall is greatwe than the need for moisture
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caverns
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a large underground chamber that usually forms when limestone is dissolved by carbonic acid.
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porosity
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amount of pore space in soil or rock
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water budget
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a graphic representation that descibes the income and spendinf water for a region
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deficit
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when the need for moisture is greater than the rainfall and rhe soil water storage is gone
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karst topography
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regions characterized by sinkholes, sinkhole ponds, lost rivers and underground drainage.
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distributaries
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the branches a river forms as it flows through a delta
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flash flood
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a sudden flood usuallu causd by a cloud burst
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yazoo tributary
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tributaries that flow through the backswamp
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gully
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a small valley that forms after a single, heavy rain
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undermining
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one way a stream erodes at waterfalls, causes waterfalls to recede
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base level
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level of the largest body of water into which a stream flows.
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stream piracy
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when one stream overtakes the headwaters of another stream
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drumlins
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long, canoe shaped hill, found in groups, made of rill, and can show the direction of glacial movement
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cirque
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semicircular basin that forms at the head of the glacial valley.
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basal slip
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glacial movement due to ice melting at the bottom of the glacier allowing the glacier ro slide easily under gravity
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firn
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rough, granular ice material that forms from compacted snow
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calving
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the process which iceburgs are formed.
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erractics
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large glacial boulder that have been transported into an area by glaciers.
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eskers
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sub-glacial stream deposits that form long, winding ridges.
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ice front
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where a glacier ends and where the glacier ends and where the glacier is moving as fast as its melting.
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glacier
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a large mass of compact snow and ice that move under the force of gravity.
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valley glacier
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the insorted and unstratified rock material deposited bu a retreating glacier
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kame
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a small, cone- shaped hill of stratified sand and gravel.
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plastic flow
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glacial movement due to the compression of ice to a flattened form allowing the grains of ice to slip past each other.
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outwash
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material deposited by glacial melt water it is sorted and stratified
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fetch
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lenght of open water over which the wind blows
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fjord
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deep, steep-sided bay formed from retreating glacier
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deflation
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removal od loose rock particles by wind
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desert peavement
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surface of boulders pebbles left behind after sand and silt are blown away.
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beach
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area of shore between high tide level and low tide level
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