Water physics and chemistry data from bottle casts from MULTIPLE SHIPS and other platforms from the NW Atlantic (limit-40 W) from 10 January 1951 to 18 April 1957 (NODC Accession 7200385)

Water physics and chemistry data were collected from bottle casts from MULTIPLE SHIPS and other platforms from NW Atlantic (limit-40 W) from 10 January 1951 to 18 April 1957. Data were submitted by the University of Rhode Island; Graduate School of Oceanography (URI). Data were processed by NODC to the NODC standard F004 Water Physics and Chemistry format. Full format description is available from NODC at www.nodc.noaa.gov/General/NODC-Archive/f004.html.

The F004 format is used for data from measurements and analyses of physical and chemical characteristics of the water column. Among chemical parameters that may be recorded are salinity, PH, and concentration of oxygen, ammonia, nitrate, phosphate, chlorophyll, and suspended solids. Physical parameters that may be recorded include temperature, density (sigma-t), transmissivity, and current velocity (east-west and north-south components). Cruise and station information, including environmental conditions of the study site at the time of observations, is also included.

本数据集的水体理化数据采集自1951年1月10日至1957年4月18日期间，由多艘科考船及其他平台在以西经40°为界的西北大西洋海域通过采水器采样作业获取。数据由罗德岛大学海洋研究生院（URI）提交，经国家海洋数据中心（National Oceanographic Data Center，简称NODC）处理为NODC标准F004水体理化格式。完整格式说明可通过NODC官方网站www.nodc.noaa.gov/General/NODC-Archive/f004.html查询获取。

F004格式专为水柱理化特征的测量与分析数据存储设计。可记录的化学参数包括盐度、pH值、溶解氧浓度、氨氮、硝酸盐、磷酸盐、叶绿素浓度及悬浮固体浓度。可记录的物理参数涵盖水温、密度（σ-t）、透射率以及海流流速（东西向与南北向分量）。数据集同时包含航次与测站信息，包括观测时刻研究海域的现场环境条件。