Rapid Shoreward Encroachment of Salt Marsh Cordgrass in Response to Accelerated Sea-Level Rise Rapid Shoreward Encroachment of Salt Marsh Cordgrass in Response to Accelerated Sea-Level Rise Donnelly, J.P. and M.D. Bertness PNAS, Vol. 98, No. 25, pp. 14218-14223, 2001 WHOI-R-01-003 Posted in 2001, Coastal Processes, Land and Sea Level Change, Salt Marshes