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fresh flow of water

water ways

erosion the processes by which wind, water, ice , and gravity transport soil and sediment from one location to another
water cycle the continuos movement of water from the ocean to the atmosphere and back down to the ocean
water system where smaller streams join bigger ones and hey join bigger ones and so on
watershed the area of land the is drained by water system
divide the boundary between drainage areas that have streams that flow in opposite directions
channel the path that streams follow
discharge the amount of water a streams carries in a given amount of time
gradient the measure of change in elevation over a certain distance
load the material a stream carries
bed load large materials like pebbles and boulders
suspended load small rocks and soil which makes the stream muddy
dissolved load material that has been dissolved in the water
youthful river erodes its channels deeper rather than wider steep ( high gradient) very few tributaries many falls and rapids
mature river erodes it channels wider rather than deeper not very steep (low gradient) fed by many tributaries few falls and rapids
old river wide flat land ( low gradient) large meanders
rejuvenated river found where the the land is raised by tectonic activity has step like formations called terraces
meanders the curves in rivers
deposition the process in which materials is laid down
placer deposit where heavy minerals are sometimes deposited at places in a river where the current slows down
delta a fan-shaped mass of material deposited at the mouth of a stream
alluvial fan a fan-shaped mass of mistrial deposited by stream when the slope of land decreases sharply
floodplain an area along a river that forms from sediment deposited when the river overflows its banks
dam a barrier that can redirect the flow of water
levee a buildup of sediment deposited along a channel or river
water table the upper surface of groundwater
zone of aeration the portion of ground above the water table where the rain water passes through
zone of saturation the portion of ground below the water table where the rain water is collected
porosity the percentage of the total volume of a rock or sediment that consist of open space
permeable the ability of a rock or sediment to let fluids pass through it open space, or pores
impermeable a rock that stops the flow of water
groundwater the water located below the earths surface
aquifer a body of rock or sediment that stores groundwater and allows the flow of groundwater
recharge zone an area in which water travels downwards from the ground to become part of an aquifer
spring an opening where water flow out of the ground
well a human made hole that is deeper than the level of a water table
artesian spring a spring whose water flews from a crack in the cap rock over the aquifer
cap rock the impermeable layer of rock above an aquifer
dry well a well that did not reach the water table
stalactites sharp icicle figures that hang on the ceiling of caves
stalagmites sharp icicle figures that are found on the ground of caves
dripstone column when stalactites and stalagmites join to make column's
sinkhole a circular hole formed when the roof of a cave collapses
point-source pollution pollution that comes from a specific site
nonpoint-source pollution pollution that comes from many sources not just on specific site
dissolved oxygen oxygen that is dissolved in water
thermal pollution an increase in water temp.
sewage treatment plant a facility that cleans the waist material found in water that comes from sewages and drains
primary treatment the process from winch most/all sludge is removed from the sewage tank
secondary treatment where the chemicals and bacteria are removed to make per water
septic tank a tank that separates solid waste from liquids and that has bacteria to break down the solid waste
Created by: kristinp