Multiple Opening Closing Net Environmental Sensing System (MOCNESS) instrument data collected aboard from R/V Point Sur cruise PS19-04 in the Gulf of Mexico from 2018-07-19 to 2018-08-01

This dataset contains Multiple Opening Closing Net and Environmental Sensing System(s) (MOCNESS) instruments data collected aboard the R/V Point Sur cruise PS19-04 in the Gulf of Mexico from 2018-07-19 to 2018-08-01. The MOCNESS was deployed during the DEEPEND field program and collected data (e.g., pressure, temperature, salinity, water flow, volume filtered, horizontal and vertical velocity, latitude, and longitude) from several sensors while the instrument was in use. These data helped characterize the environment and assess the orientation and speed of the MOCNESS. The flow and net angle were used to calculate the volume of water filtered for each net. The dataset also includes trawl field data collected during this cruise and includes information on trawl ID/number, cruise name/number, types of gear used, station, sample, date, location (latitude and longitude), time, depth, temperature, salinity, the volume of water, net mesh size/units, and related comments. The overall purpose of the R/V Point Sur cruise PS19-04 led by chief scientist Dr. Tracey Sutton was to perform deep water sampling of in-situ seawater and associated fauna.

本数据集收录了2018年7月19日至2018年8月1日期间，搭载于“Point Sur号”考察船（R/V Point Sur）在墨西哥湾执行PS19-04航次时采集的多开合网与环境传感系统（Multiple Opening Closing Net and Environmental Sensing System, MOCNESS）仪器数据。该多开合网与环境传感系统部署于DEEPEND野外调查计划中，仪器作业阶段通过多类传感器采集了压力、温度、盐度、水流、过滤水体体积、水平与垂直流速、纬度及经度等数据。此类数据可用于表征调查海域的环境特征，并评估MOCNESS的姿态与运行速度。科研人员可通过水流与网体角度数据，计算得到每张网具的过滤水体体积。本数据集同时涵盖本次航次采集的拖网野外数据，包含拖网编号、航次名称/编号、使用的渔具类型、站位、样品、日期、地理位置（纬度与经度）、时间、水深、水温、盐度、水体体积、网目尺寸/单位及相关备注信息。本次PS19-04航次由首席科学家特蕾西·萨顿（Tracey Sutton）博士主导，其整体目标为开展原位海水及伴生生物的深水采样工作。