Arc SWAT Vs HEC GEO HMS

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It is very difficult to understand the major differences of using Arc SWAT and HEC Geo HMS for watershed delineation.

I want to know the basics of using Arc SWAT rather than HEC Geo HMS.

Can any one help me out?

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Basicaly they are the ...

Basicaly they are the Hydrology tools from spatial analist

it is important to have a correct DEM projected and arcswat does the rest for you!

I could help if you ask something more specific what you wabt to do ...

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