Survey lines along which acoustic backscatter data were acquired using a Klein 3000 sidescan sonar offshore of Massachusetts within Vineyard Sound by the U.S. Geological Survey in 2009, 2010, and 2011 (VS_BACKSCATTERTRACKLINES, ESRI Shapefile, Geographic WGS84).

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...本数据集系根据与马萨诸塞州海岸带管理办公室（Massachusetts Office of Coastal Zone Management, CZM）及美国地质调查局（U.S. Geological Survey, USGS）达成的合作协议采集所得，相关内容涉及海岸……