Low resolution real-time physical trajectory profile data from glider um_242 deployed by UMaine (UMO) in the Gulf of Maine from 2022-12-05 to 2023-01-02 (NCEI Accession 0276861)

This project is conducting seasonal deployments to investigate carbonate chemistry and monitor ocean acidification in the Mid-Atlantic Bight. The glider used for the automated observation includes an integrated deep rated version of the Ion Sensitive Field Effect Transistor (ISFET)-based pH sensor. The pH sensor unit is complemented with existing glider sensors including a CTD, a WETLabs FLBBCD ECO puck configured for simultaneous chlorophyll fluorescence and optical backscatter measurements, and an Aanderaa Optode for measuring dissolved oxygen. The real-time dataset contains CTD, chlorophyll a, CDOM and optical backscatter measurements. Dissolved oxygen and pH data will be processed post-deployment.

The National Centers for Environmental Information (NCEI) received the data in this dataset from the Integrated Ocean Observing System's National Glider Data Assembly Center (IOOS NGDAC). The IOOS NGDAC received the data in one or more netCDF files comprising an entire glider deployment. The data are measurements of physical oceanographic properties such as temperature, salinity, conductivity, and density. The IOOS NGDAC checked the files for compliance to their netCDF file convention, aggregated the files into a single netCDF file, and then submitted the file to NCEI for long-term preservation. Data files may be either low resolution real-time or full resolution. Full resolution files are designated as "delayed" in the netCDF file name.

本项研究正在进行季节性的部署，旨在探究碳酸盐化学性质并监测中大西洋湾区的海洋酸化现象。所使用的自动观测滑翔机配备了集成深水版本的离子敏感场效应晶体管（ISFET）pH传感器。pH传感器单元辅以现有的滑翔机传感器，包括CTD、配置为同时进行叶绿素荧光和光散射测量的WETLabs FLBBCD ECO puck，以及用于溶解氧测量的Aanderaa Optode。实时数据集包含CTD、叶绿素a、CDOM和光散射测量数据。溶解氧和pH数据将在部署后进行处理。
国家环境信息中心（NCEI）从集成海洋观测系统的国家滑翔机数据汇编中心（IOOS NGDAC）接收了本数据集中的数据。IOOS NGDAC接收到的数据包含一个或多个netCDF文件，这些文件构成了整个滑翔机部署的完整数据。数据是物理海洋学特性的测量，例如温度、盐度、电导率和密度。IOOS NGDAC检查了文件是否符合其netCDF文件规范，将文件聚合为单个netCDF文件，然后将文件提交给NCEI进行长期保存。数据文件可能是低分辨率实时数据或全分辨率数据。全分辨率文件在netCDF文件名中标记为“延迟”。