Temperature profiles from MBT casts from the GRESHAM from Ocean Weather Station N (OWS-N) in the North Pacific Ocean from 22 April 1960 to 17 May 1960 (NODC Accession 6000129)

Bathythermograph data were collected from the GRESHAM within a 1-mile radius of Ocean Weather Station N (3000N 14000W) and in transit. Data were collected by the United States Coast Guard from 22 April 1960 to 17 May 1960. The platform was equipped and staffed to observe weather and sea conditions. Data were processed by NODC to the NODC standard Universal Bathythermograph Output (UBT) format. Full format description is available from NODC at www.nodc.noaa.gov/General/NODC-Archive/bt.html.

The UBT file format is used for temperature-depth profile data obtained using the mechanical bathythermograph (MBT) instrument. The maximum depth of MBT observations is approximately 285 m. Therefore, MBT data are useful only in studying the thermal structure of the upper layers of the ocean. Cruise information, date, position, and time are reported for each observation. The data record comprises pairs of temperature-depth values. Temperature data in this file are recorded at uniform 5 m depth intervals.

本数据集包含海水温度深度记录仪（Bathythermograph）观测数据，采集自“格雷舍姆号（GRESHAM）”，观测范围覆盖海洋气象站N（北纬30°00′，西经140°00′）周边1英里范围内海域及航行途经区域。数据由美国海岸警卫队于1960年4月22日至1960年5月17日期间采集。该观测平台配备专业观测设备并搭载操作人员，用于开展气象与海洋环境监测。数据已由美国国家海洋数据中心（NODC）处理为NODC标准通用海水温度深度记录仪输出（Universal Bathythermograph Output, UBT）格式。完整格式说明可通过NODC官方网站获取：www.nodc.noaa.gov/General/NODC-Archive/bt.html。
UBT文件格式用于存储机械式海水温度深度记录仪（Mechanical Bathythermograph, MBT）获取的温深剖面数据。MBT观测的最大深度约为285米，因此该类数据仅适用于研究海洋上层的热结构特征。每条观测记录均包含航次信息、观测日期、位置与时间。数据记录由温深数值对构成，本文件中的温度数据以5米的等深度间隔进行记录。