what is the source of a river
where the river starts
what determines where water flows
gravity and topography
water budget
describes the income and spending of water in a region
water budget income/input
precipitation and runoff
water budget spending
evaporation and outflow
what is bedrock
what the ground is made of determines the shape of the river
what shape does harder rock make a river
straight
what shape does softer rock make a river
curvy
what is weathering
the breakdown of materials into smaller pieces
erosion
the movement of sediment
deposition
the dropping or settling of sediment
what are the uppercourse features
waterfalls, braided streams, v-shaped valleys
middle course features
wider shallower valleys, meanders, oxbo lakes
low course features
mouth, floodplains, levees
stage height
how high a river is flowing on any given day
floodplain
forms from sediments put into when the river overflows its banks
what type of river will stay in flux longer after a rainfall event
rural
what type of river will rise faster after a rainfall event
urban
what is the change in elevation
gradient
what is a watershed
creeks or streams that all go to one main large body of water
what is flux
how long it takes from the river to start from the river to end
what effects a hydrograph
runoffs, gradient
what slows a runoff
infiltration rates such of soil and surface types