| A | B |
|---|
| surface water | bodies of fresh water/salt/water/ice/snow found above ground |
| river sysytem | flowing network of rivers/streams draining a river basin |
| watershed | area of land, drained by a water system |
| groundwater | water beneath the earth's surface and rock formations |
| aquifer | body of rock/sediment-stores groundwater/allows flow of groundwater |
| porosity | % of rock or sediment in open spaces |
| permeability | ability of rock/sediment to let fluids pass through its open spaces/pores |
| recharge zone | area where water travels downward into aquifer |
| potable | suitable for drinking |
| pathogen | microorganism/virus/protien that causes disease |
| dam | structure built across river to control water flow |
| reservoir | atrificail body of water, forms behind dam |
| desalination | removing salt from ocean water |
| water polution | when harmful waste matter/other material contaminates water that organisms are exposed to |
| point-source pollution | pollutin that comes from a specific site |
| nonpoint-source pollution | pollution from many sources |
| wastewater | water that contains wastes from homes or industry |
| artifical eutrophication | increases amount of nutrients in body of water by human activities:waste disposal/land drainage |
| thermal pollution | harmful effect on water/caused by rise in temp due to human activity/makes it hard for water to support life |
| biomagnification | accumulation of pollutants at successive levels of food chain |
