Can Goldsim AWBM be robust enough to run less than a day time step?
Goldsim AWBM
Answered
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Peter,
I briefly reviewed the current implementation of AWBM in GoldSim and estimated the amount of work required to get this ready to be used on an hourly scheduled time step. I could make an update to this model for hourly if you think it would be very useful to a wider GoldSim audience. Otherwise, let me know and I'll do my best to point out the main changes I think need to be made. For me, the time consuming part would be result testing. I would hope to use the eWater tools for result comparisons. Problem is, it takes me half a day to remind myself how to do all that.
So far, I have only heard this request come in maybe a handful of times in a decade.
-Jason
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No problem. If you implement it, let us know if you want to collaborate on a new example published in our library and announced in LinkedIn! 😀
- Prec_TS, Evap_TS: Currently set to "Constant over the next interval" so be aware of that when entering new hourly data.
- Change the reference to "1 d" in the following expressions within elements named: ET_Loss, Time_To_Next, Baseflow_Runoff, Surface_Runoff
- The expression "Is_Midnight" might need to be changed.
- I may have missed something so please verify.
- Test by comparing to output of the eWater tool (or whatever standard you want to use)
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Hey Peter, sorry for the late reply. I was thinking along the same lines as you but I would want to test it a lot before putting into production so I'm reluctant to say exactly what needs to change without digging in. I am happy to collaborate with you though. If you are interested, please do contact me via support: GoldSim Technical Support - GoldSim just scroll down to the bottom and click subit a request.
But otherwise, yes I think you are on the right track.
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