Outline of the Multibeam-Bathymetric and Sidescan-Sonar Data Collected During National Oceanic and Atmospheric Administration (NOAA) Survey H11446 (H11446OUTLINE.SHP, Geographic, WGS84)

The U.S. Geological Survey (USGS), in cooperation with the Connecticut Department of Environmental Protection and National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal sea floor. Imagery, originally collected by NOAA for charting purposes, provides a fundamental framework for research and management activities along this part of Long Island Sound, shows the composition and terrain of the seabed, and provides information on sediment transport and benthic habitat. Interpretive data layers were derived from the multibeam echo-sounder data and sidescan-sonar data collected north of Orient Point, New York. During April 2010, bottom photographs and surficial sediment data were acquired as part of a ground-truth reconnaissance survey. For more information on the ground-truth survey see http://quashnet.er.usgs.gov/data/2010/10010/.

美国地质调查局（U.S. Geological Survey, USGS）与康涅狄格州环境保护部、美国国家海洋和大气管理局（National Oceanic and Atmospheric Administration, NOAA）合作，正在编制长岛湾沿岸海域的详细地质图。原本由NOAA为海图绘制目的采集的影像数据，为该区域长岛湾的科研与管理活动提供了基础支撑框架，可直观展示海床的物质组成与地形地貌，同时提供沉积物运移及底栖生境相关信息。解释性数据图层源自纽约奥连特角北侧采集的多波束测深数据与侧扫声呐数据。2010年4月，作为地面验证踏勘调查的一部分，研究团队获取了海底照片与表层沉积物数据。如需了解该地面验证调查的更多详情，请访问http://quashnet.er.usgs.gov/data/2010/10010/。