Terms : Hide Images
| 4881789021 | aqueducts | canals or ditches used to carry water from one location to another | 0 | |
| 4881789007 | aquifers | permeable layers of rock and sediment that contain groundwater | 1 | |
| 4881789025 | artesian wells | wells created by drilling a hole into a confined aquifer | 2 | |
| 4881789013 | confined aquifer | an aquifer surrounded by a layer of impermeable rock or clay that impedes water flow | 3 | |
| 4881794399 | consumptive use | the process of removing water from a body of surface water or from an aquifer and not returning it. | 4 | |
| 4881789028 | cone of depression | an area from which the groundwater has been rapidly withdrawn | 5 | |
| 4881789012 | dam | a barrier that runs across a river or stream to control the flow of water | 6 | |
| 4881789024 | desalinization | the process of removing salt from salt water | 7 | |
| 4881789020 | eutrophic | high level of productivity | 8 | |
| 4881789018 | fish ladders | a stair-like structure that allows migrating fish to get around a dam | 9 | |
| 4881789011 | floodplain | the land adjacent to a river that is flooded periodically | 10 | |
| 4881789023 | impermeable surface | pavement or buildings that do not allow water penetration | 11 | |
| 4881789026 | levee | an enlarged bank built up on each side of the river to prevent flooding | 12 | |
| 4881789014 | oligotrophic | low level of productivity due to a low amount of nutrients in the water | 13 | |
| 4881839037 | primary treatment | a stage of wastewater treatment in which contaminants are physically removed. | 14 | |
| 4881789019 | recharge | an opening at the land's surface allowing a confined aquifer to be recharged | 15 | |
| 4881789015 | reservoir | a body of water created by blocking the natural flow of a waterway | 16 | |
| 4881789008 | saltwater intrustion | an infiltration of salt water in an area where groundwater pressure has been reduced from extensive drilling of wells | 17 | |
| 4881884075 | secondary treatment | a stage in wastewater treatment in which bacteria is used to remove organic materials and chemicals are used to remove pathogens | 18 | |
| 4881916022 | sinkholes | the process in which land subsides, or gives way with little or no warning | 19 | |
| 4881789022 | springs | natural sources of water formed when water from an aquifer percolates up to the ground surface | 20 | |
| 4881789010 | unconfined aquifers | aquifers made of porous rock covered by soil, which water can easily flow into and out of | 21 | |
| 4881789016 | water table | the uppermost level at which the water in any given area fully saturates the rock or soil | 22 | |
| 4881923285 | watershed | the area of land drained by a river system | 23 | |
| 7336684800 | riparian | land areas adjacent to a river, such as its banks | 24 | |
| 7336693764 | benthic zone | area that extends along the bottom of the lake or pond; invertebrates live here | 25 | |
| 7336701764 | littoral zone | shallow edges of a lake or pond where plants grow from the bottom and reach the water's surface. | 26 |
