Note: The 2021 data release "Geospatial characterization of salt marshes for Massachusetts" is a more recent and comprehensive MA salt marsh dataset. (https://doi.org/10.5066/P97E086F) This folder includes a data layer that defines the conceptual marsh units in the salt marsh complex of Plum Island Estuary and Parker River, and additional data layers to facilitate a multi-criteria assessment of state of the coastal salt marshes. Through scientific efforts initiated with the Hurricane Sandy Science Plan, the U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands, including the Plum Island Estuary and Parker River salt marsh complex, with the intent of providing [...]
