Flashcards in Water balance Deck (8)
What is the water balance?
the balance between inputs and outputs
Water balance formula?
precipitation = discharge + evapotransipiration +/- changes in storage
What is the discharge of a river?
amount of water in a river flowing past a particular point
How is discharge calculated?
by multiplying the cross-sectional area of the river by its velocity at the measuring point
What is bankfull?
maximum discharge that a river channel is capable of carrying without flooding
What is base flow?
the normal day-today discharge of the river and its consequence of slow moving soil throughflow and groundwater seeping into the river channel
What is lag time?
time between peak rainfall and peak discharge