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Hydrology #1
Term | Definition |
---|---|
wetland | a land area that is covered with water during all or part of the year |
aquifer | an underground layer of rock or sediment that holds water |
hydrology | the study of the movement, distribution, and quality of Earth's water |
freshwater | water that is characterized by having low concentrations of dissolved salt |
hydrosphere | the combination of all water found on, under, and above the surface of Earth |
groundwater | water that fills the cracks and spaces in underground soil and rock layers |
infiltration | the process by which water on the ground surface enters the soil |
water cycle | the continual process by which water moves from Earth's surface to the atmosphere and back |
atmospheric conditions | the state of the atmosphere in terms of temperature, wind, clouds, and precipitation |
runoff | water that flows over the ground surface rather than soaking into the ground |
evaporation | the process by which liquid water escapes into the air as water vapor |
condensation | the process by which water vapor in the air becomes liquid water |
transpiration | the process by which plants drink in water from the soil and lose water through evaporation |
water conservation | strategies to manage fresh water, protect water environments, and meet human demand |
artesian well | a well in which water rises because of pressure within the aquifer |
watershed | the land area that supplies water to a river system |
divide | a ridge of land that separates one watershed from another |
saturated zone | a layer of permeable rock or soil in which the cracks and pores are totally filled with water |
water table | the top of the saturated zone; how far you must dig to reach groundwater |
precipitation | any form of water that falls from clouds and reaches Earth's surface |