GEOSECS Atlantic, Pacific, Indian, and Mediterranean Radiocarbon Data

Radiocarbon data for the Atlantic, Pacific, and Indian oceans were obtained between 1972 and 1977 as part of the Geochemical Ocean Section Study (GEOSECS) cruises during which more than 2200 water samples were collected. Some Mediterranean Sea data were also collected. Samples for 14C were collected at 124 stations, and approximately 18 samples were collected at each station from intervals throughout the water column. The data included in the data base are ship position (latitude and longitude), sample number, depth, potential temperature, salinity, and delta 14C. The GEOSECS data sets allow a better understanding of large-scale oceanic transport and mixing and the establishment of the gross rate of deep-ocean circulation. The data are in three files (radiocarbon data for the Atlantic, Pacific, and Indian Oceans) ranging in size from 39.9 to 50.4 kB.

1972年至1977年间，作为海洋断面地球化学研究（Geochemical Ocean Section Study, GEOSECS）航次的一部分，研究人员获取了大西洋、太平洋与印度洋的放射性碳数据，该航次期间共采集超过2200个水样，同时还收集了部分地中海海域的相关数据。碳十四（¹⁴C）样品在124个站位完成采集，每个站位约采集18个水样，采样区间覆盖整个水柱的不同深度。该数据库收录的数据包括船舶站位坐标（纬度与经度）、样品编号、水深、位温、盐度以及Δ¹⁴C。GEOSECS数据集可助力人们更好地理解大洋大尺度的输运与混合过程，并确立深海环流的总体速率。该数据集分为三个文件，分别对应大西洋、太平洋及印度洋的放射性碳数据，文件大小介于39.9至50.4千字节（kB）之间。