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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 |