W&M ScholarWorks VIMS Articles Virginia Institute of Marine Science 5-14-2016 Sea level driven marsh expansion in a coupled model of marsh erosion and migration Matthew L. Kirwan Virginia Institute of Marine Science DC Walters W. G. Reay Virginia Institute of Marine Science JA Carr Follow this and additional works at: https://scholarworks.wm.edu/vimsarticles Part of the Earth Sciences Commons Recommended Citation Kirwan, Matthew L.; Walters, DC; Reay, W. G.; and Carr, JA, "Sea level driven marsh expansion in a coupled model of marsh erosion and migration" (2016). VIMS Articles. 1418. https://scholarworks.wm.edu/vimsarticles/1418 This Article is brought to you for free and open access by the Virginia Institute of Marine Science at W&M ScholarWorks. It has been accepted for inclusion in VIMS Articles by an authorized administrator of W&M ScholarWorks. For more information, please contact
[email protected]. PUBLICATIONS Geophysical Research Letters RESEARCH LETTER Sea level driven marsh expansion in a coupled 10.1002/2016GL068507 model of marsh erosion and migration Key Points: Matthew L. Kirwan1, David C. Walters1, William G. Reay1, and Joel A. Carr2 • Accelerated sea level rise leads to marsh expansion along gently 1Department of Physical Sciences, Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, sloping, unhardened coasts 2 • Loss of marsh and natural flood Virginia, USA, Patuxent Wildlife Research Center, U.S. Geological Survey, Laurel, Maryland, USA protection is inevitable where barriers limit migration into uplands • Fluxes of organisms and sediment Abstract Coastal wetlands are among the most valuable ecosystems on Earth, where ecosystem services across adjacent ecosystems lead to such as flood protection depend nonlinearly on wetland size and are threatened by sea level rise and coastal increase in system resilience development.