미국
Cloud amount/frequency, NITRATE and other data from VOLNA, AKADEMIK VERNADSKIY and other platforms from 1976-05-20 to 1977-10-02 (NCEI Accession 7900258)
Current speed/direction, depth and other data were collected using meteorological sensors, Secchi disk, buoy, and bottle casts casts from multiple ships from December 6, 1975 to September 30, 1978. Data were submitted by USSR Academy of Science; Institute of Oceanology as part of the IDOE/POLYMODE (International Decade of Ocean Exploration / combination of USSR POLYGON project).