Digital Shoreline Analysis System version 4.3 transects and long-term linear regression shoreline change statistics for all data available within the Nantucket coastal region including the Nantucket Sound- and Atlantic Ocean- facing coasts of Nantucket, Muskeget and Tuckernuck Islands (Nantucket_transects_rates_LTw.shp)

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline...由于沿海人口持续增长以及海岸侵蚀威胁日益加剧，当前亟需获取岸线变化（shoreline movement）的趋势与速率相关数据，以支撑岸线相关……