Interpretation of Bottom Features from National Oceanic and Atmospheric Administration (NOAA) Survey H12007 and USGS Cruise 2011-006-FA in the Vicinity of Cross Rip Channel in Nantucket Sound, Offshore Southeastern Massachusetts (H12007_INTERP.SHP, Geographic, WGS84)

The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal sea floor. Bathymetry, originally collected by NOAA for charting purposes, provides a fundamental framework for research and management activities off southern New England, shows the character and terrain of the seabed, and provides information on sediment transport and benthic habitat. During April-May 2009 NOAA completed hydrographic survey H12007 in the vicinity of Cross Rip Channel in Nantucket Sound off southern Cape Cod, Massachusetts and during June 2011 bottom photographs and surficial sediment data were acquired as part of ground-truth reconnaissance surveys of this area. Interpretations were derived from the multibeam echo-sounder data and the ground-truth data used to verify them.美国地质调查局（U.S. Geological Survey, USGS）与美国国家海洋和大气管理局（National Oceanic and Atmospheric Administration, NOAA）合作，正在绘制新英格兰南部沿海海域的海底详细地质图。水深测量数据（bathymetry）最初由NOAA为海图绘制工作采集，它为新英格兰南部近海的科研与管理活动提供了基础框架，可展示海床的形态特征与地形地貌，同时能够提供沉积物运移及底栖生境（benthic habitat）的相关信息。2009年4月至5月期间，NOAA在马萨诸塞州科德角南部近海楠塔基特海峡（Nantucket Sound）内的克罗普里普航道（Cross Rip Channel）附近完成了编号为H12007的水文测量任务；2011年6月，该团队针对该区域开展地面验证（ground-truth）勘察调查，采集了海底照片与表层沉积物数据。本数据集的解译结果源自多波束回声测深仪（multibeam echo-sounder）数据，并通过地面验证数据对解译结果进行了校核。