Model code and description of OMEN-SED Version 0.9: First submission to GMD - Hülse et al. (2018) Version 1.0: As accepted by GMD - Hülse et al. (2018) Sub-folder OMEN_MATLAB includes stand-alone OMEN-SED model and a readme describing how to run the model Sub-folder OMEN_FORTRAN includes the fortran version of OMEN-SED as coupled to the cGENIE Earth system model