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Hygrade Water New Zealand
102 Neilson St
2013 Onehunga, Auckland / New Zealand
0800 494 723
sales@hygradewater.co.nz

run-off coefficient

Run-off coefficient refers to the quotient of the total precipitation over that part of the precipitation that arrives at a discharge point. The data used have been collected from rain events that have been observed in the past. The run-off coefficient depends on the size and surface characteristics of the catchment area. The duration and intensity of the stormwater run-off also play a role. It should be remembered that the surface characteristics may change, depending on the duration and intensity of the rain event.

 
 
 

Hygrade Water New Zealand
102 Neilson St
2013 Onehunga, Auckland / New Zealand
0800 494 723
sales@hygradewater.co.nz

 

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