Subject: Estimate Runoff resistant factor from Leaf Area Index-LAI and Slope Posted: 11/21/2015 Viewed: 16889 times
Hello WEAP users
I know that Runoff Resistance Factor related to Leaf Area Index - LAI and Slope. In my catchment, I have data about LAI and Slope, how to calculate Runoff Resistance Factor from them.
Thanks all !
Ms. Stephanie Galaitsi
Subject: Re: Estimate Runoff resistant factor from Leaf Area Index-LAI and Slope Posted: 11/23/2015 Viewed: 16874 times
Hi Pham,
Subject: Re: Estimate Runoff resistant factor from Leaf Area Index-LAI and Slope Posted: 11/23/2015 Viewed: 16861 times
Yes. Thank you Stephanie
I already read it before. But it still not really help me.
Mr. Sujit Choudhury
Subject: Re: Estimate Runoff resistant factor from Leaf Area Index-LAI and Slope Posted: 2/12/2018 Viewed: 10602 times
But I could not find the answer in the link. Stephanie can you pl help me to calculate the RRF.
Ms. Stephanie Galaitsi
Subject: Re: Estimate Runoff resistant factor from Leaf Area Index-LAI and Slope Posted: 2/15/2018 Viewed: 10586 times
Dear Sujit,
The runoff resistance factor is not a calculated value, it is a parameter in an equation that helps to determine surface runoff (see the Soil Moisture Method section in the Help Menu for equations of the Soil Moisture Method). You, as the user, must adjust the values of the RRF so that your runoff produces a quantity of water consistent with your historic flow record. The RRF contributes only to the surface/direct runoff, and the streamflow is a sum of this flow plus interflow and base flow.
Topic "Estimate Runoff resistant factor from Leaf Area Index-LAI and Slope"
