Headwater stream erosion data from the Environment and Rural Affairs Monitoring & Modelling Programme, Wales, 2021-2023 - Scarlett, P.; Bentley, L.; Doeser, A.; Emmett, B.A.; Lucas, J.R.; Monkman, G.; Reinsch, S.; Richardson-Jones, V.; Williams, B.; Wood, C.M. (NERC EDS Environmental Information Data Centre, 2026)