Initial NSE Values after first iteration of calibration
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Mohamed Azzaz
Jun 19, 2026, 3:16:07 PMJun 19
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Dear All,
I'm working on calibration of a watershed using both streamflow and evapotranspiration observations. After the first iteration of calibration was done, I got the initial values for NSE for each observation as shown in the picture attached, does this mean my ET observations are bad and I should replace them or is this normal where SWAT+ tries to gradually lift the ET NSE up through calibration iterations? Please advise me as I am trying to save time but identifying possible problems with my observations early.
I'm working on calibration of a watershed using both streamflow and evapotranspiration observations. After the first iteration of calibration was done, I got the initial values for NSE for each observation as shown in the picture attached, does this mean my ET observations are bad and I should replace them or is this normal where SWAT+ tries to gradually lift the ET NSE up through calibration iterations? Please advise me as I am trying to save time but identifying possible problems with my observations early.
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