Y Strategaeth Genedlaethol ar gyfer Rheoli Perygl Llifogydd ac Erydu Arfordirol yng Nghymru -https://llyw.cymru/strategaeth-genedlaethol-ar-gyfer-rheoli-perygl-llifogydd-ac-erydu-arfordirol-yng-nghymru
National Strategy for Flood and Coastal Erosion Risk Management in Wales -https://gov.wales/national-strategy-flood-and-coastal-erosion-risk-management-wales