미국
Cloud amount/frequency, NITRATE and other data from A. V. HUMBOLDT from 1971-04-13 to 1971-06-12 (NCEI Accession 9000080)
The water depth and other data available in this accession was scanned from a publication. The data was submitted by Deutsche Akademe der Wissenschaften zu Berlin. The data was collected from ship A. V. Humboldt between April 13 to June 12, 1971.