National Aquatic Resource Surveys wetland data and accretion rates and carbon stocks in Oregon tidal marshes. This dataset is associated with the following publication: Janousek, C., J. Krause, J. Drexler, K. Buffington, K. Poppe, E. Peck, F. Adame, E. Watson, J. Holmquist, S. Bridgham, S. Jones, M. Ward, C. Brown, L. Schile-Beers, M. Costa, H. Diefenderfer, A. Borde, L. Sheehan, J. Rybczyk, C. Prentice, A. Gray, A. Hinojosa-Corona, A.C. Ruiz-Fernandez, J.A. Sanchez-Cabeza, K. Kohfeld, P. Ezcurra, J. Ochoa-Gomez, K. Thorne, M. Pellatt, A. Ricart, A. Nahlik, L. Brophy, R. Ambrose, M. Lutz, C. Cornu, S. Crooks, L. Windham-Myers, M. Hessing-Lewis, F. Short, S. Chastain, T. Williams, T. Douglas, E. Fard, L. Brown, and M. Goman. Blue Carbon Stocks Along the Pacific Coast of North America Are Mainly Driven by Local Rather Than Regional Factors. Global Biogeochemical Cycles. American Geophysical Union, Washington, DC, USA, 39(3): e2024GB008239, (2025).