How to improve r-factor and PBIAS values

[shibanic...@gmail.com]

Respected all

I have run 1000 simulations in each iteration  many times, and due to this my result improves but r-factor and PBIAS values are too small. So is it ok or I should do some more simulations. I have attached my simulation results here, please give guidance about these.

[shibanic...@gmail.com]

Karim sir 

Please guide me about my results. (Acceptable or not)? 

Thanks in advance

[Aradhana Thakur]

Hii,

R-factor indicates the thickness of 95ppu envelop and it ranges from 0 to infinite. Here your results showing r-factor 0.18, which is very good,  r-factor near to 1 considered as very good in the case of discharge calibration. Similarly, PBIAS shows the average tendency of the simulated data to be larger or smaller than the observed data. So less the value of PBIAS means simulated data is more near to observed data.

pl, go through the SWAT-CUP manual  Microsoft Word - Usermanual_Swat_Cup_2012_5.docx (tamu.edu).

On Thu, Mar 18, 2021 at 12:20 PM shibanic...@gmail.com <shibanic...@gmail.com> wrote:

Respected all

I have run 1000 simulations in each iteration  many times, and due to this my result improves but r-factor and PBIAS values are too small. So is it ok or I should do some more simulations. I have attached my simulation results here, please give guidance about these.

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Thanks & Regards-

Aradhana Thakur

SRF, National Institute of Hydrology, Roorkee

Research Scholar (SWCE) , Department of Farm Engineering,
IAS, Banaras Hindu University (BHU),  Varanasi, Uttar Pradesh, India

Contact no.-8090596945

Email- arru.a...@gmail.com

[s chourushi]

Respected all 

I wanted to know is that this results ok to go further with other research work or I have to do it again. Please guide me regarding this because it's urgent for me.

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[thesj...@gmail.com]

Hi,

I would recommend looking for acceptable error metrics from a literature search relating to your specific application. There is no one "correct" maximum error.

Steve