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test retake- unit 9
unit 9 test
Term | Definition |
---|---|
eutrophication | too many nutrients in a stream or river causes algal booms and loss of oxygen. |
aquifer depletion | when wells dry up |
sedimentation | the number one pollutant in NC, comes from runoff from construction sites |
el nino | a disruption in the ocean-atmosphere system in the tropical pacific having important consequences for weather around the globe (results in wind in the equator slowing down). |
up | as the porosity of a rock goes up, permeability goes ____ |
estuary | as the porosity of a rock goes up, permeability goes ____ |
watershed | all the land that drains into a stream that finally drains into a drainage basin |
arsenic | a toxic element used to preserve wood or found in groundwater, may cause death |
aquifer | a permeable layer of rock and sediment that stores and carries groundwater. |
sodium and pottasium | the 2 most abundant elements in salt water. |
infiltration | the process of water being absorbed into the ground |
30% | land makes up ___ of earth's surface |
aquiclude | a relatively impermeable rock that does not store water. |
upwelling | a bringing up of cold, nutrient-rich water |
salinity | the amount of salt given per volume of water |
wetlands | an area where the water table is above the land surface, like ponds and marshes |
gulf stream | the current that runs alongside the coast of NC and warms up great britain. |
1.74% | ___ of all the water is tied up in glaciers |
coriolis effect | the movement of air or water clockwise in the northern hemisphere |
safe drinking water act | the name of the legislation designed to safeguard our drinking water |
salt water intrusion | when groundwater is depleted and the water is replaced with ocean water |