Table 1 Summary of variables to compute vegetation drag

From: Marsh restoration in front of seawalls is an economically justified nature-based solution for coastal protection

Leaf

Stem

Others

b = Base leaf width (m)

\(D\) = Stem diameter (m)

\({N}_{l}\) = Number of leaves per stem (−)

\(d\) = Leaf thickness (m)

 

\({N}_{s}\) = Number of stems bed area (−)

\({l}_{l}\), \({l}_{s}\) = Length (m)

\({C}_{s}\) = Sheltering coefficient (−)

\(C{a}_{l}\), \(C{a}_{s}\) = Cauchy number (−)

\({E}_{l}\), \({E}_{s}\) = Young’s modulus (Nm−2)

\({I}_{l}\), \({I}_{s}\) = Bending moment of inertia (m4)

\({C}_{D,l}\), \({C}_{D,s}\) = Drag coefficient (−)