Rivers Key words
DRAINAGE BASIN-An area of land drained by a river and its tributaries.
WATERSHED-The higher land which forms the boundary of the river basin, and which separates two river basins.
SOURCE-The point at which a river begins.
TRIBUTARY-A small stream or river flowing into the main river.
CONFLUENCE-The point where the tributary joins the main river.
MOUTH-The end of a river.
CHANNEL-The groove that a river flows in.
transpiration-water vapour is released through the stomata in the leaves
interception-water is stored on leaves or branches
throughflow-water flows horizontilly through rocks into the river
percolation-water flows vertically through soil and rocks
infiltration-water seeps into the ground
groundwater flow-water horizontilly through rocks to the river
evaporation- from droplets to vapour
Source- the place in which a river begins
Mouth-where a river ends its journey, flowing into a lake or sea
tributary- a smaller river joining a larger one
confluence-the point at which 2 rivers join
water shed-the boundry between 2 drainage basins.
drainage basin-the area which is drained by a river and its tributaryes
drainage density-the total length of the streams in the basin divided by the total area of the basin.