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Input and output Reference/Datum

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Hello All,

I am confused about a thing. Does TUFlow has any reference for the output? I mean, water level that I get as model output is based on which reference/datum? Does it depend on the input boundary datum? If I provide water level data as upstream and downstream boundary condition, I guess I need to maintain same datum. Do I also need to have the same datum as water level for the bathymetry data that I use to prepare the domain? 


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Hi Monika,

TUFLOW doesn't do any datum transformations, so everything that you specify needs to be relative to a consistent datum of your choosing. So yes, your boundaries and bathy all need to be using the same datum, and the outputs will then also be relative to that same datum.

I hope that helps,


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