Terms : Hide Images
| 5284258812 | ground water | underground water that is held in the soil and in pervious rocks | 0 | |
| 5284263056 | zone of saturation | an area where all the pores in a rock are completely filled with water, near ground surface | 1 | |
| 5284265273 | water table | The upper level of the saturated zone of groundwater | 2 | |
| 5284265274 | aquifers | An underground water reservoir. a body of permeable rock that can contain or transmit groundwater. | 3 | |
| 5284269667 | drip irrigations | low volume watering system to homes by dripping,stress,spraying | 4 | |
| 5284272604 | soil moisture detecters | measures quantity of water in soil | 5 | |
| 5284278740 | xeriscaping | landscaping using plants adapted to dry conditions | 6 | |
| 5284286168 | tiered water pricing system | Changing water prices accordingly | 7 | |
| 5284290410 | saltwater intrusion | movement of saltwater into freshwater aquifers in coastal areas where groundwater is withdrawn faster than it is replenished; | 8 | |
| 5284292483 | isotope hydrology | dates and ages movement off water in hydraulic cycle | 9 | |
| 5284292484 | aqueducts | Bridge-like stone structures that carry water | 10 | |
| 5284299257 | gray water | Water that was already used in sinks, showers and washing machines is called: | 11 | |
| 5284302863 | natural recharge | Natural replenishment of an aquifer by precipitation, which percolates downward through soil and rock. | 12 | |
| 5284304846 | surface water | Water above the surface of the land, including lakes, rivers, streams, ponds, floodwater, and runoff. | 13 | |
| 5284306956 | surface runoff | Precipitation that does not infiltrate the ground or return to the atmosphere by evaporation. | 14 | |
| 5284306957 | watershed | The land area that supplies water to a river system. An ecosystem where all water runoff drains into a single body of water | 15 | |
| 5284309824 | floodplain | an area of low-lying ground adjacent to a river, formed mainly of river sediments and subject to flooding. | 16 | |
| 5284314471 | channelization | An engineering technique to straighten, widen, deepen, or otherwise modify a natural stream channel. | 17 | |
| 5284321407 | levees | Barriers composed of sediments made on either side of a river due to flooding. | 18 | |
| 5284323341 | consumptive use | Freshwater that is removed from a particular aquifer or surface water body and is not returned to it. Used for agricultural, industrial, & households (drinking water) | 19 | |
| 5284340324 | non consumptive use | Fresh water use in which water from an aquifer or surface body water is not removed or is removed temporarily and then returned | 20 | |
| 5284384372 | desalination | A process of removing salt from ocean water | 21 | |
| 5284388165 | distillation | A process that separates the substances in a solution based on their boiling points | 22 | |
| 5284391079 | reverse osmosis | A technique for purifying water by forcing it through a semipermeable membrane. | 23 | |
| 5284397516 | artesian well | water rises on its own because of pressure within an aquifer | 24 | |
| 5284397517 | reliable run off | Surface runoff of water that generally can be counted on as a stable source of water from year-to-year. | 25 | |
| 5284401219 | withdrawal | freshwater removal | 26 | |
| 5284404756 | center pivot irrigation | An irrigation system comsisting of a spray arm several hundred meters long supported by wheels pivoting around a central well from which water is pumped. | 27 | |
| 5284410503 | water hot spots | In these areas, competition for scarce water to support growing urban areas, irrigation, recreation, and wildlife could trigger intense political and legal conflicts; where water is scarce. | 28 | |
| 5284416455 | hydrological poverty | Serious water shortages are emerging as the demand for water in many countries simply outruns the supply forcing people to live in poverty. | 29 | |
| 5284418551 | shantytowns | Unplanned slum development on the margins of cities, dominated by crude dwellings and shelters made mostly of scrap wood, iron, and even pieces of cardboard. | 30 | |
| 5284421834 | land subsidence | due to rapid rate of withdrawing large amounts of groundwater from sand and rock in aquifers; leads to land above settling and sinking over time | 31 | |
| 5284424041 | cloud seeding | The scattering of chemicals into clouds in hopes of bringing rain/precipitation. | 32 | |
| 5284424042 | flood irrigation | water runs in sheets across fields (lots of evaporatives, 45% efficiency | 33 | |
| 5284432895 | ogallala aquifer | A body of water, under the Great Plains, that farmers use to irrigate their crops. | 34 | |
| 5284357406 | desalinate | remove salt | 35 |
