Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
ENVIRONMENTAL STUDY
CHAPTER 15 - WATER MANAGEMENT
| Question | Answer |
|---|---|
| potable waters | unpolluted freshwater supplies suitable for drinking |
| hydrologic cycle | constant movement of water from surface water to air and back to surface after as a result of evaporation and condensation |
| evapotranspiration | the process of plants transporting water form the roots to the leaves where it evaporates |
| groundwater | water that infiltrates the soil and is stored in the spaces between particles in the earth |
| aquifer | a porous layer of earth material that becomes saturated with water |
| unconfined aquifer | an aquifer that usually occurs near the land’s surface, receives water by percolation from above, and may be called a water table aquifer |
| water table | the top of the layer of water in an aquifer |
| vadose zone | a zone above the water table and below the land surface that is not saturated with water |
| confined aquifer | an aquifer that is bounded on the top and bottom by impermeable confining layers |
| aquiclude | an impervious confining layer of an aquifer |
| aquitard | a partially permeable layer in an aquifer |
| artesian well | the result of a pressurized aquifer being penetrated by a pipe or conduit, within which water rises without being pumped |
| porosity | a measure of the size and number of spaces in an aquifer |
| domestic water | water used for domestic activities, such as drinking, air conditioning, bathing, washing clothes, washing dishes, flushing toilets, and watering lawns and gardens |
| irrigation | adding water to an agricultural field to allow certain crops to grow where the lack of water would normally prevent their cultivation |
| industrial water use | uses of water for cooling and for dissipating and transporting waste materials |
| in-stream water use | use of a stream’s water flow for such purposes as hydroelectric power, recreation, and navigation |
| biochemical oxygen demand (BOD) | the amount of oxygen required by microbes ot degrade organic molecule |
| limiting factor | the primary condition of the environment that determines the population size for an organism |
| eutrophication | the enrichment of water (either natural or cultural) with nutrients |
| point source | pollution that can be traced to a single source |
| nonpoint source | diffuse pollutants, such as agricultural runoff, road salt, and acid rain, that are not from a single, confined source |
| fecal coliform bacteria | bacteria found in the intestines of humans and other animals, often used as an indicator of water pollution |
| thermal pollution | waste heat that industries release into the environment |
| stormwater runoff | Stormwater that runs off streets and buildings and is often added directly to the sewer system and sent ot the municipal wastewater treatment facility |
| water diversion | the physical process of transferring water from one area to another |
| primary sewage treatment | process that removes larger particles by settling or filtering raw sewage through large screens |
| secondary sewage treatment | process that involves holding the wastewater until the organic material has been degraded by bacteria and other microorganisms |
| trickling filter system | a secondary sewage treatment technique that allows polluted water to flow over surfaces that harbor microorganisms |
| sewage sludge | a mixture of organic material, organisms, and water in which the organisms consume the organic matter |
| activated-sludge sewage treatment | method of treating sewage in which some of the sludge is returned to aeration tanks, where it is mixed with incoming wastewater to encourage degradation of the wastes in the sewage |
| tertiary sewage treatment | process that involves a variety of different techniques designed to remove dissolved pollutants left after primary and secondary treatments |
| salinization | an increase in the amount of salt in soil due to the evaporation of irrigation water |
| groundwater mining | removal of water from an aquifer faster than it is replaced |
| saltwater intrustion | the movement of saltwater into aquifers near oceans when too much water is pumped from aquifers |
Created by:
Jessica C
Popular Earth Science sets