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The Arda River (Portuguese pronunciation:[ˈaɾðɐ]) is a river in Portugal. It flows into the Douro River.[1] Arouca village is located near the Arda River.[2]
^Santos, R.M.B.; Sanches Fernandes, L.F.; Pereira, M.G.; Cortes, R.M.V.; Pacheco, F.A.L. (2015). "A framework model for investigating the export of phosphorus to surface waters in forested watersheds: Implications to management". Science of the Total Environment. 536: 295–305. doi:10.1016/j.scitotenv.2015.07.058.
^Marafuz, I.; Rodrigues, C.; Gomes, A. (2015). "Analysis and assessment of urban flash floods on areas with limited available altimetry data (Arouca, NW Portugal): a methodological approach". Environmental Earth Sciences. 73 (6): 2937–2949. doi:10.1007/s12665-014-3943-9.