Legend (Environment/MarshRetreat)

Marsh Retreat Combined (0) Lowest likelihood of conversion: remains salt marsh Low likelihood of conversion: salt marsh conversion 3 ft SLR Moderate likelihood of conversion: salt marsh conversion 2 ft SLR High likelihood of conversion: salt marsh conversion 1 ft SLR Highest likelihood of conversion: marsh shoreline erosion Freshwater tidal marsh conversion to salt marsh Unimpeded retreat zone: 1 ft SLR Unimpeded retreat zone: 2 ft SLR Unimpeded retreat zone: 3 ft SLR Impeded retreat zone Marsh Retreat SLR 3 ft (1) Unimpeded marsh retreat zone Impeded marsh retreat zone Marsh conversion to flat Marsh conversion to open water Freshwater tidal marsh conversion to salt marsh Tidal Marsh Marsh Retreat SLR 2 ft (2) Unimpeded marsh retreat zone Impeded marsh retreat zone Marsh conversion to flat Marsh conversion to open water Freshwater tidal marsh conversion to salt marsh Tidal Marsh Marsh Retreat SLR 1 ft (3) Unimpeded marsh retreat zone Impeded marsh retreat zone Marsh conversion to flat Marsh conversion to open water Freshwater tidal marsh conversion to salt marsh Tidal Marsh Tidal Marsh (4) Saline Marshes (Low marsh) Saline Marshes (Shrub/other) Saline Marshes (Sp. patens/high marsh) Freshwater Tidal Marshes Phragmites Dominated Coastal Wetlands Tidal Mud Flats