Oceanographic station data from CTD casts from the COOK INLET from Ocean Weather Station D (OWS-D) in the North Atlantic Ocean 04 February 1970 to 26 February 1970 (NODC Accession 7000664)

Oceanographic station data were collected from the COOK INLET within a 1-mile radius of Ocean Weather Station D (4400N 04100W) and in transit. Data were collected by the United States Coast Guard (USCG) from 04 February 1970 to 26 February 1970. Data were processed by NODC to the NODC standard Station Data II Output Format (SD2). Full format description is available from NODC at www.nodc.noaa.gov/General/NODC-Archive/sd2.html.

The SD2 format contains 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 percent) 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 (e.g., ship, country, institution), position, date, and time, and reported for each station. The principal measured parameters and temperature and salinity , but dissolved oxygen, phosphate, total phosphorus, silicate, nitrate, nitrite, and pH may be reported. Meteorological conditions at the time of the cast (e.g., air temperature and pressure, wind, waves) may also be reported, as well as auxiliary data such as water color (Forel-Ule scale), water transparency (Secchi disk depth), and depth to bottom. Values of density (sigma-t) sound velocity, and dynamic depth anomaly are computed from measured parameters. Each station contains the measurements taken at the observed depth levels, but also includes data values interpolated to a set of standard depth levels.

本数据集的海洋站观测数据采集自库克湾（COOK INLET），覆盖海洋气象站D（Ocean Weather Station D，44°00′N，041°00′W）周边1英里范围内及航行途中区域。数据由美国海岸警卫队（United States Coast Guard, USCG）于1970年2月4日至1970年2月26日期间采集。数据由国家海洋数据中心（National Oceanographic Data Center, NODC）处理为NODC标准站数据II输出格式（Station Data II Output Format, SD2）。完整格式说明可从NODC获取，网址为www.nodc.noaa.gov/General/NODC-Archive/sd2.html。

SD2格式包含离散深度层记录的物理化学海洋学观测数据。多数观测采用多瓶式南森采水站（multi-bottle Nansen casts）或其他类型的水体采样器完成。少量数据（约占总量的5%）通过电子电导率-温度-深度（conductivity-temperature-depth, CTD）记录仪或盐度-温度-深度（salinity-temperature-depth, STD）记录仪获取。不过，CTD/STD数据是以与南森采水站数据一致的深度层级上报至NODC，其处理与存储流程与南森采水数据完全一致。每个测站均附带航行信息（如船舶、所属国家、研究机构）、观测位置、日期与时间。核心观测参数以温度和盐度为主，同时可报告溶解氧、磷酸盐、总磷、硅酸盐、硝酸盐、亚硝酸盐及pH值等指标。观测时的气象条件（如气温、气压、风向风速、浪况）也可被记录，同时附带辅助数据，包括水体颜色（福勒-于勒色标，Forel-Ule scale）、水体透明度（塞氏盘深度，Secchi disk depth）及海底水深。密度（sigma-t）、声速及动态深度异常值可通过实测参数计算得到。每个测站既包含实测深度层的观测数据，也包含经插值得到的标准深度层级数据集。