MaineNAP Marsh Migration

These seven datasets identify non-tidal lands within existing tidal estuaries that could be inundated and facilitate the development of new areas of tidal marsh if sea level rises by 0, 1.2, 1.6, 3.9, 6.1, 8.8, or 10.9 feet above current highest astronomical tide (HAT). The primary purpose of these data is to enable appropriate land use planning for lands that may become future tidal marshes, and to inform other investigations as to the impacts of and strategic conservation, restoration, and management planning for predicted sea level rise on critical coastal habitats.