Constraining channel shape

Derived from At-A-Station hydraulic geometries, HEC-RAS representations, and geomorphic measures.

Simple trapazoidal

Compound trapazoidal

Warning: Using `size` aesthetic for lines was deprecated in ggplot2 3.4.0.
ℹ Please use `linewidth` instead.

Idealized Parabolic

as used by T-Route

meshed parabolic

Natural cross section representation

As defined by the HEC-RAS data standards (and demonstrated using RRASSLER)

Trapazoidal equivelents

Chow

From Chow (1988)

References

Chow, Ven Te. 1988. Open-Channel Hydraulics. Reissued. McGraw-Hill Classic Textbook Reissue Series. McGraw-Hill.