Trace gas, air temperature, and others collected from the research vessel Sonne in US EEZ in Puerto Rico and across Atlantic from 2021-12-11 to 2022-01-11 (NCEI Accession 0295083)

This dataset contains measurements from a research cruise SO287 on the R/V Sonne. The transit of the R/V Sonne started from Las Palmas (departure: 2021-12-11) and ended in Guayaquil, Ecuador (arrival: 2022-01-11). Dataset includes underway data collected in Puerto Rico area, as well as links to longer cross Atlantic data stored in the PANGAEA database (see the Documentation). Hydro acoustic data were continuously recorded along the transect using a Simrad EK60 echo sounder operating at four frequencies (18, 38, 120, and 200 kHz). The EK60 were set at 20 log R time-varied gain function (where R is the range in meters) and using a pulse length of 1.024 ms. Shift consisted in regular control of the acquisition and the absence of interferences, and report all abnormal event in the spatial organization of the biological component of the pelagic ecosystem (0 to a maximum excepted at 1800 m with the 18 kHz). This is MSR/RATS cruise U2021-020 as part of the World Data Center for oceanography and geophysics.