RV Investigator Voyage IN2019_V07 CTD Data

This record describes the Conductivity-Temperature-Depth (CTD) data collected from the Marine National Facility RV Investigator voyage IN2019_V07, titled "RAN Hydrographic and Maritime Heritage Surveys." The voyage took place from Hobart (TAS) to Hobart between April 11 and April 23, 2019. Data for 10 deployments were acquired using the Sea-Bird SBE911 CTD 23, fitted with 36 twelve litre bottles on the rosette sampler. Sea-Bird-supplied calibration factors were used to compute the pressures and preliminary conductivity values. CSIRO-supplied calibrations were applied to the temperature data. The data were subjected to automated QC to remove spikes and out-of-range values.Casts 1, 2, and 3 were test casts to verify the recently serviced secondary altimeter data and no bottles were fired during those deployments.A Wetlabs CSTAR Transmissometer, Wetlabs CDOM Fluorometer, and PAR sensor were also installed on the auxiliary A/D channels of the CTD.The collected data were subsequently processed and archived within the CSIRO Oceans and Atmosphere (O&A) Information and Data Centre (IDC) in Hobart. Additional information regarding this dataset may be contained in the Voyage Summary and the CTD Data Processing Report.

本记录描述了澳大利亚国家海洋设施“调查者号”（RV Investigator）航次IN2019_V07所获取的电导率-温度-深度（Conductivity-Temperature-Depth, CTD）数据，该航次的任务标题为“RAN水文与海事遗产调查”。本次航次于2019年4月11日至4月23日开展，往返于塔斯马尼亚州霍巴特港之间。本次作业共完成10次CTD布放，所用设备为Sea-Bird公司生产的SBE911型CTD 23系统，其配套的多联采水器架搭载36个12升采水瓶。数据处理阶段，首先采用Sea-Bird公司提供的校准系数计算压力与初始电导率值，温度数据则使用澳大利亚联邦科学与工业研究组织（Commonwealth Scientific and Industrial Research Organisation, CSIRO）提供的校准方案进行校正。所有采集数据均经过自动化质量控制流程，以剔除异常尖峰值与超限数据。其中第1、2、3次布放为校验性投放，用于验证近期检修后的辅助高度计数据，此三次作业期间未触发采水瓶发射。此外，CTD系统的辅助模数转换（Analog-to-Digital, A/D）通道还搭载了Wetlabs公司生产的CSTAR透射仪、CDOM荧光仪以及光合有效辐射（Photosynthetically Active Radiation, PAR）传感器。采集得到的全部数据后续均经过标准化处理，并归档于位于霍巴特的CSIRO海洋与大气（Oceans and Atmosphere, O&A）信息与数据中心（Information and Data Centre, IDC）。如需获取该数据集的更多相关信息，可查阅本次航次总结报告与CTD数据处理报告。