Welcome to the RAS Solution Forums HEC-RAS Help Which Resolution for Landuse and DEM?

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  • #6230
    teddy
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    Hi!

    I have a 15km breach for computing flooding extents. What do you recommend as a resolution for DEM? Do you recommend to have different resolutions for channel data and terrain?

    Do you recommend to have different cellsizes for landuse and DEM-Data? How is the finer resolution of landuse data considered while in the computation? What resolution do you recommend for landuse data?

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