Terms : Hide Images
| 4959194349 | Aquifer | A permeable layer of rock and sediment that contains groundwater. | 0 | |
| 4959194350 | Unconfined aquifer | An aquifer made of porous rock covered by soil, which water can easily flow into and out of. | 1 | |
| 4959194351 | Confined aquifer | An aquifer surrounded by a layer of impermeable rock or clay that impedes water flow. | 2 | |
| 4959194352 | Water table | The uppermost level at which the water in a given area fully saturates rock or soil. | 3 | |
| 4959194353 | Groundwater recharge | A process by which water percolates through the soil and works its way into an aquifer. | 4 | |
| 4959194354 | Spring | A natural source of water formed when water from an aquifer percolates up to the ground surface. | 5 | |
| 4959194355 | Artesian well | A well created by drilling a hole into a confined aquifer. | 6 | |
| 4959194356 | Cone of Depression | An area lacking groundwater due to rapid withdrawal by a well. | 7 | |
| 4959194357 | Saltwater intrusion | An infiltration of salt water in an area where groundwater pressure has been reduced from extensive drilling of wells. | 8 | |
| 4959194358 | Floodplain | The land adjacent to a river. | 9 | |
| 4959194359 | Impermeable surfaces | Pavement or buildings that do not allow water penetration. | 10 | |
| 4959194360 | Levee | An enlarged bank built up on each side of a river to prevent flooding. | 11 | |
| 4959194361 | Dike | A structure built to prevent ocean waters from flooding adjacent land. | 12 | |
| 4959194362 | Dam | A barrier that runs across a river or stream to control the flow of water. | 13 | |
| 4959194363 | Reservoir | The water body created by damming a river or stream. | 14 | |
| 4959194364 | Fish ladder | A stair-like structure that allows migrating fish to get around a dam. | 15 | |
| 4959194365 | Aqueduct | A canal or ditch used to carry water from one location to another. | 16 | |
| 4959194366 | Desalination | The process of removing salt from salt water. | 17 | |
| 4959194367 | Distillation | The action of purifying a liquid by a process of heating and cooling. | 18 | |
| 4959194368 | Reverse osmosis | The action of purifying a liquid by being forced through a semipermeable membrane. | 19 | |
| 4959194369 | Water footprint | The total daily per capita use of fresh water. | 20 | |
| 4959194370 | Furrow irrigation | An ancient form of surface irrigation using parallel channels or trenches along the field length. | 21 | |
| 4959194371 | Flood irrigation | An irrigation technique that consists of flooding a field with water and then allowing the water to soak down | 22 | |
| 4959194372 | Spray irrigation | A method of applying irrigation water using sprinklers, which is similar to natural rainfall. | 23 | |
| 4959194373 | Drip irrigation | An irrigation method that saves water and fertilizer by allowing water to drip slowly to the roots of plants, either onto the soil surface or directly onto the root zone, through a network of valves, pipes, and tubing | 24 | |
| 4959194374 | Hydroponic agriculture | The cultivation of plants in greenhouse conditions by immersing roots in a nutrient-rich solution. | 25 | |
| 4959194375 | Gray water | Wastewater from baths, showers, bathrooms, and washing machines. | 26 | |
| 4959194376 | Contaminated water | Wastewater from toilets, kitchen sinks, and dishwashers. | 27 |
