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Modeling receding limb of hydrograph

  • Sep 30 2021
  • adrmart

I’m having some issues in Nays2DFlood modeling the receding limb of a hydrograph: the floodwaters never seem to recede despite the discharge and water surface elevation going down. Could there be a reason for this? I’ve tried extending the time steps out and the floodwaters never decrease from their max.

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  1. inoue-t says:

    I think that Depth(max) is probably drawn. Please draw Depth. The other possibility is the effect of backwater of the downstream water level. Check if the water level downstream remains high.

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> Forum > Nays2DFlood > Modeling receding limb of hydrograph