Fraser River Delta Upper Slope Profiling Sonar Deployed 2016-10-09

The Imagenex 881A Profiling Sonar 5715 was deployed on 2016-10-09 at Fraser River Delta Upper Slope. This site is located on the upper slope of the Fraser River delta, where depth is approximately 100 metres. This device is a Profiling Sonar. Profiling sonars are devices used in underwater profiling where quantitative measurements are required. A profiling sonar transmits a very narrow, conical beam that generates one point per ping, providing very high resolution. Reflected signals, or echoes, are recorded and analyzed in order to develop an image of scanned area that includes information on the range between the sonar and the scanned object. It was deployed on a fixed platform. Data from this deployment were archived and made available through Ocean Networks Canada's Oceans 3.0 digital infrastructure, with quality assurance and derived data products following established practices.

Imagenex 881A剖面声呐（Profiling Sonar）5715于2016-10-09部署在弗雷泽河三角洲上坡区域。该站点位于弗雷泽河三角洲的上坡地带，水深约100米。此设备为剖面声呐，是水下剖面测量中用于获取定量数据的专用设备。剖面声呐发射极窄的锥形波束，每次ping生成一个测点，分辨率极高。反射信号（即回波）经记录与分析后，可生成包含声呐与扫描对象距离信息的扫描区域图像。该设备部署于固定平台之上。此次部署的数据通过加拿大海洋网络（Ocean Networks Canada）的Oceans 3.0数字基础设施存档并开放获取，其质量保证及衍生数据产品均遵循既定规范。