This tag is the version used in: Thober, S., Cuntz, M., Kelbling, M., Kumar, R., Mai, J., and Samaniego, L.: The multiscale Routing Model mRM v1.0: simple river routing at resolutions from 1 to 50 km, Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2019-13, in review, 2019.