RV Investigator Voyage IN2017_V05 EK60 Echosounder

This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2017_V05, Long-term recovery of trawled marine communities 25 years after the world’s largest adaptive management experiment, which departed Broome on the 11 October 2017 and returned to Henderson on the 10 November 2017. The Simrad EK60 split beam echosounders, 18, 38, 70 120, 200 and 333 kHz were used to acquire acoustic backscatter data to a range of 100 m, around the Northwest Shelf. All frequencies were logged continuously for the extent of the voyage. Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 1041 *.raw files totalling 55.6 GB of raw data in this dataset. No processing has been conducted on this data. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request.本记录描述了“探索者号”（RV Investigator）科考航次IN2017_V05的科学分裂波束回声测深仪（split-beam echosounder）数据，该航次的研究主题为“全球最大适应性管理实验实施25年后受拖网影响的海洋群落长期恢复”，航次于2017年10月11日从布鲁姆港起航，2017年11月10日返回亨德森港。 本航次搭载了频率分别为18 kHz、38 kHz、70 kHz、120 kHz、200 kHz及333 kHz的Simrad EK60分裂波束回声测深仪，在西北陆架周边海域采集了最大探测深度为100米的声学背散射数据。全航次期间，所有频率的采集工作均持续进行并完整记录。 数据以*.raw、*.bot及*.idx格式存储于澳大利亚联邦科学与工业研究组织（Commonwealth Scientific and Industrial Research Organisation, CSIRO）。本数据集包含1041个*.raw格式文件，总原始数据量达55.6 GB。 本数据集尚未经过任何处理。 有关本数据集的更多详细信息可查阅GSM数据采集与处理报告。其他衍生数据产品可根据申请按需提供。