Geomorphology and Habitats of the Lord Howe Island Shelf

Flythrough movie showing the bathymetry of the shelf surrounding Lord Howe Island (NSW), with examples of seabed habitats and biota. The bathymetric image is derived from merged grids (8 m and 40 m resolution) that incorporates multibeam sonar collected in 2008 using a 30 kHz Simrad EM300 system on RV Southern Surveyor, legacy sonar data from various sources and satellite-derived bathymetry (grid development detailed in GA Record 2010/36). Key features on the shelf bathymetry include a drowned reef that encircles the island and intervening areas of sediment-covered basins. Lord Howe Island shelf is a study site for the Marine Biodiversity Research Hub, funded through the Commonwealth Environment Research Facilities (CERF) programme. Further information is provided in GA Record 2010/26.本数据集为飞越式动画，展示环绕豪勋爵岛（Lord Howe Island，新南威尔士州，NSW）周边陆架的海底测深（bathymetry）数据，同时附带海床生境与生物群落示例。该测深影像基于融合网格（分辨率分别为8米与40米）构建，融合了2008年使用30 kHz Simrad EM300系统在“南方考察号”（RV Southern Surveyor）研究船上采集的多波束声呐数据、多来源遗留声呐数据，以及卫星反演测深数据，网格构建细节详见GA Record 2010/36。该陆架测深数据的核心特征包括环绕该岛的淹没礁，以及其间被沉积物覆盖的海盆区域。豪勋爵岛陆架是由英联邦环境研究设施（CERF）项目资助的海洋生物多样性研究枢纽（Marine Biodiversity Research Hub）的研究站点。更多相关信息详见GA Record 2010/26。