water Flashcards
Earth’s abundance of _______________ is what makes human life possible and our planet so _______ within the solar system.
Earth’s abundance of liquid water is what makes human life possible and our planet so unique within the solar system.
The ______________ cycle creates freshwater through ________________.
The hydrologic cycle creates freshwater through evaporation.
Freshwater eventually falls on landmasses, where it flows into rivers and lakes and infiltrates the ___________.
Freshwater eventually falls on landmasses, where it flows into rivers and lakes and infiltrates the subsurface.
________________ ________ refers to human activites in which water is lost or consumed and cannot be used again.
Consumptive water refers to human activites in which water is lost or consumed and cannot be used again.
Off-stream diversion of surface water via ___________ provides increased water supplies for those receiving the water, but can damage water supplies, ecosystems, fisheries, and other activities in the basin the water is removed from.
Off-stream diversion of surface water via aqueducts provides increased water supplies for those receiving the water, but can damage water supplies, ecosystems, fisheries, and other activities in the basin the water is removed from.
Dams are valuable for stockpiling water, but also trap ___________ and discharge cooler water, which can damage _______________ ecosystems and fisheries.
Dams are valuable for stockpiling water, but also trap sediment and discharge cooler water, which can damage downstream ecosystems and fisheries.
__________ are earth materials that easily transmit water.
Aquiferes are earth materials that easily transmit water.
___________ are clay-rich materials and unfractures crystalline rocks that do not transmit much water.
Aquitards are clay-rich materials and unfractures crystalline rocks that do not transmit much water.
eutrophication
accelerated plant growth in rivers and lakes
overland flow
amount of water running off the landscape