Physical, chemical, and other data from bottle and XBT casts from the DIAMOND SHOALS and other platforms as part of the Outer Continental Shelf - South Atlantic project from 01 January 1958 to 18 October 1975 (NODC Accession 7700635)

Physical, chemical, and other data from CTD and XBT casts from the DIAMOND SHOALS and other platforms. Data were collected by the United States Coast Guard and other institutions as part of the Outer Continental Shelf - South Atlantic project from 01 January 1958 to 18 October 1975. Data were processed by NODC to the NODC standard Station Data II Output Format (SD2) and the Universal Bathythermograph Output Format (UBT). Full format descriptions are available from NODC at www.nodc.noaa.gov/. The SD2 file format is used for physical-chemical oceanographic data recorded at discrete depth levels. Most of the observations were made using multi- bottle Nansen casts or other types of water samplers. A small amount (about 5%), were obtained using electronic CTD (conductivity-temperature-depth) or STD (salinity-temperature-depth) recorders. The CTD/STD data were reported to NODC at depth levels equivalent to Nansen cast data, however, and have been processed and stored the same as the Nansen data. Cruise information, position, date and time are reported for each station. Each station contains the measurements taken at observed depth levels, but also includes data values interpolated to a set of standard depth levels. The UBT format contains temperature-depth profile data obtained using expendable bathythermograph (XBT) instruments. Cruise information, position, date and time were reported for each observation. The data records are comprised of pairs of temperature-depth values. The XBT data files contain temperature values at originators defined depths. Standard XBTs can obtain profiles to depths of either 450 or 760 m. Special instruments permit measurements to be obtained to 1830 m.本数据集涵盖来自钻石浅滩号（DIAMOND SHOALS）及其他观测平台的温盐深仪（conductivity-temperature-depth, CTD）、投弃式温深仪（expendable bathythermograph, XBT）观测数据及其他理化数据。数据由美国海岸警卫队及其他机构作为外大陆架-南大西洋项目的组成部分采集，采集时段为1958年1月1日至1975年10月18日。所有数据经美国国家海洋数据中心（National Oceanographic Data Center, NODC）处理，采用NODC标准站数据II输出格式（SD2）与通用温深仪输出格式（UBT）存储。完整格式说明可通过NODC官方网站www.nodc.noaa.gov/获取。 SD2格式用于存储离散深度层级下记录的理化海洋学观测数据。绝大多数观测采用多瓶尼斯金采水器或其他类型水样采集器完成，仅约5%的观测数据来自电子温盐深仪（conductivity-temperature-depth, CTD）或盐温深仪（salinity-temperature-depth, STD）记录仪。不过，提交至NODC的CTD/STD数据已匹配至与尼斯金采水器观测一致的深度层级，并与尼斯金采水器数据采用相同流程完成处理与存储。每个测站均记录有航次信息、观测位置、日期与时间，其既包含实测深度层的原位观测数据，也包含插值至标准深度层的推算数值。 UBT格式用于存储通过投弃式温深仪（expendable bathythermograph, XBT）获取的温深剖面数据。每条观测记录均包含航次信息、观测位置、日期与时间，数据记录由温度-深度值对组成。XBT数据文件中存储了数据提供方定义深度处的温度观测值。标准XBT设备可获取深度达450米或760米的温深剖面，特殊定制设备则可实现1830米深度的剖面测量。