emergency Flashcards
Tributary
A smaller river that feeds into a larger one
Confluence
The point where two rivers meet
Mouth
Where the river meets the sea
Source
Where the river originates
Watershed
The border between two drainage basins
Drainage Basin
Area that is drained by the rivers in it
Channel
The area that the river flows in
Evaporation
Water becoming a gas from a liquid
Transpiration
Water evaporating from vegetation
Evapotranspiration
The loss of moisture from water surfaces, the soil and vegetation
Stores
Places where water is held
Transfers
Processes by which water flows or moves through the system
Inputs
Where water enters the system
Outputs
Where water is lost from the system
Surface Storage
Pools formed by precipitation
Infiltration
Downward movement of water through the soil
Throughflow
The movement of water side ways through the ground
Percolation
Downward movement of water through the bedrock
Groundwater flow
The movement of water side ways through the rocks
Water Table
The level of saturation when all of the pores have been filled with water
