Monthly data of Temp and Prcp is sufficient for SWAT model

[Naveed Ahmed]

Dear SWAT Community,

I have monthly temperature (maximum and minimum) and monthly Precipitation for 15 climatic stations. I want to develop SWAT Model. I

Is it possible to use monthly data only for these variables?

Or is it possible to develop model if I use the daily data of Tmax, Tmin and Precipitation?

Thanks in anticipation.

Regards

Naveed

[Wahid Hussainzada]

You need daily dat.

Regard

Wahid

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Wahidullah Hussainzada

[Naveed Ahmed]

Daily data of which parameters?

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[Wahid Hussainzada]

Precipitation, min and max temperatures, relative humidity, wind speed and solar radiation.

Best regards

Wahid

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Wahidullah Hussainzada

[Naveed Ahmed]

Then how we can apply SWAT Model for data scarce watersheds?

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[Muhammad Nawaz]

Dear Naveed ahmed,

You can use satellite based datasets in such a situation. 

Regards,

M Nawaz

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[Naveed Ahmed]

Hi All,

Any other expert opinion from other experts?

Pz share.

Thanks and Regards 

Naveed

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[Salman Khan]

You are bound to use daily data of Precipitation, T max and T min . If you are working in data scarce region then you can use gridded data sets (A

vailable in Public domain) . However, You have choice in getting output for daily , monthly or annual.

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[Naveed Ahmed]

Hi dear,

Thanks for the message.

It means that precipitation and temperatures daily time series are enough for SWAT Model simulations in data scare watersheds.

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[Salman Khan]

Yess, If you don't have Solar radiation, Wind speed etc .. You can use weather generators for instance CFSR world. And the model will calculate these parameters by itself based on your Precipitation and temperature data.

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[Naveed Ahmed]

Hi dear,

Thanks for your message.

Could you please share CFSR dataset website or any helpful link...from where I can get information how to use them for swat modelling.

Thanks once again.

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[Salman Khan]

Hi, 

You can easily download CFSR world data for your region from SWAT website

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[Naveed Ahmed]

Hi dear,

Thanks for this help.

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