Water Cycle
Published on Nov 20, 2015
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PRESENTATION OUTLINE
Water Cycle
- The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
- the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
Precipitation
- Rain, snow, sleet, or hail that falls to the ground.
Evaporation
- The process by which water changes from a liquid to a gas or vapor.
Runoff
- The flow of water that occurs when excess stormwater, meltwater, or other sources flows over the earth's surface.
Infiltration
- The process by which water on the ground surface enters the soil.
Transpiration
- The process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere.
Condensation
- The change of water from its gaseous form (water vapor) into liquid water.
Groundwater
- The water found underground in the cracks and spaces in soil, sand and rock.
Velocity
- A physical vector quantity; both magnitude and direction are needed to define it.
Photo by Jocey K
Channel
- A relatively narrow body of water that connects two larger bodies of water.
Discharge
- Allowing (a liquid, gas, or other substance) to flow out from where it has been confined.
Headwater
- A tributary stream of a river close to or forming part of its source
Mouth
- The place where a river meets the sea.
Tributary
- A freshwater stream that feeds into a larger stream or river.
Stream Load
- A geologic term referring to the solid matter carried by a stream
Deposition
- Where water vapor changes directly into ice such a snowflakes and frost.
Delta
- A triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets.
Levee
- An embankment built to prevent the overflow of a river.
Floodplain
- An area of land that is prone to flooding.
Flood
- An overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land.
Dam
- A barrier constructed to hold back water and raise its level, the resulting reservoir being used in the generation of electricity or as a water supply
Drainage Basin
- An area of land drained by a river and its tributaries (river system).
Watershed
- An area or ridge of land that separates waters flowing to different rivers, basins, or seas.
Watertable
- The level below which the ground is saturated with water.
Zone of Saturation
- The area in an aquifer, below the water table, in which relatively all pores and fractures are saturated with water.
Zone of Aeration
- The zone between the land surface and the water table in which the pore spaces between soil and rock particles contain water, air, and/or other gases.
Porosity
- A measure of how much of a rock is open space.
Permeability
- The state or quality of a material or membrane that causes it to allow liquids or gases to pass through it.
Spring
- A place where water or oil wells up from an underground source, or the basin or flow formed in such a way.
Hot Spring
- A spring of naturally hot water, typically heated by subterranean volcanic activity.
Geyser
- A vent in Earth's surface that periodically ejects a column of hot water and steam.
Aquifer
- A body of permeable rock that can contain or transmit groundwater.
Cavern
- A cave, or a chamber in a cave, typically a large one.
Sinkhole
- A cavity in the ground, especially in limestone bedrock, caused by water erosion and providing a route for surface water to disappear underground.
