As a new user, I am using ArcSWAT to estimate basin's groundwater flow towards aquifer and soil-water content. I have successfully run the SWAT model which created 43 sub-basins within the watershed. Now, when I am trying to calibrate model using SWAT-CUP, I am getting floating overflow error. I used SWAT-CUP calibration without changing any parameter or any data as I am not familiar with the processes. I have run the ArcSWAT for the year 2001 to 2020 but in the observed.rich file it shows different years of data. I am not sure how to resolve this issue. Would you please help to find a solution.
Dear Newton Muhury
you should adjust the simulation period in cio file with the Calibration period in observed data files and in extraction file as well
for example if your simulation period is from 2001 then you need to prepare your observed data from 2001 and if you consider 2 years warm up the observed data must be from 2003.
the default observed data in observed and observed_reach files is just to show you how to prepare your own observed data you cannot use it to calibrate your model in your study Area
best of luck
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