SEABOSS Images from the Cruise RAFA09059 in JPEG Format (RAFA09059_BPHOTOGRAPHS)

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 and sidescan-sonar imagery, originally collected by NOAA for charting purposes, provides a fundamental framework for research and management activities in Long Island Sound, shows the composition and terrain of the seabed, and provides information on sediment transport and benthic habitat. During October 2008 NOAA completed hydrographic survey H11251 offshore of Rocky Point, New York and during November 2009, bottom photographs and surficial sediment data were acquired as part of a ground-truth reconnaissance survey of this area. Interpretive data layers were derived from the multibeam echo-sounder and sidescan-sonar data and the ground-truth data used to verify them. For more information on the ground-truth survey see https://cmgds.marine.usgs.gov/fan_info.php?fa=2009-059-FA.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，正在编制长岛海峡沿岸海底的详细地质图。原本由NOAA为海图绘制目的采集的水深测量（Bathymetry）数据与侧扫声呐图像（sidescan-sonar imagery），为长岛海峡的科研与管理活动提供了基础框架，可揭示海底的组成与地形，并提供沉积物运移及底栖生境（benthic habitat）相关信息。2008年10月，NOAA完成了纽约州洛基岬外海的水文测量（hydrographic survey）任务H11251；2009年11月，作为该区域实地验证踏勘调查（ground-truth reconnaissance survey）的一部分，采集了海底照片与表层沉积物数据。解释性数据图层由多波束测深仪（multibeam echo-sounder）与侧扫声呐数据生成，并通过实地验证数据进行校验。如需了解本次实地验证调查的更多信息，请访问https://cmgds.marine.usgs.gov/fan_info.php?fa=2009-059-FA。