Marsh migration

This module (USE_MARSH) is not a tracer module and simulates the long-term migration of marshes under sea level rise. It is usually invoked together with SED (with optional morphological acceleration) and optionally with WWM; cf. Nunez et al. (2020).

The only parameter for this module is slr_rate (sea-level rise rate in mm/yr). The output flag is iof_marsh, which is an integer of either 0 (no marsh) or 1 (has marsh) at an element. Optionally, the user might also consider invoking the vegetation option in the code isav in conjunction with the marsh module to simulate the form drag and turbulence induced by the marsh vegetation.

Additional inputs are required to specify the I.C. for marsh extent (marsh_init.prop) as well as migration barrier info (marsh_barrier.prop); both use 0 or 1 to specify ‘on/off’.

References

Nunez, K., Zhang, Y., Herman, J., Reay, W. and Hershner, C. (2020) A multi-scale approach for simulating tidal marsh evolution, Ocean Dynamics, https://doi.org/10.1007/s10236-020-01380-6