Final data
Those which have passed through the CalCOFI quality control process and have become publicly available. They differ from preliminary data in that the bottle data has been ammended leaving bottle versus CTD regression calculations and corrections, and appended bottle data in their final corrected form. Final CTD data is offered as a single compressed .zip file (i.e., yymm_CTDFinal.zip) containing files and folder structure for ASC-HDR, CSV-Plot, and metadata formats.
Preliminary data
Those which have been processed without final bottle data. The bottle data used to create bottle versus CTD regression calculations and corrections, and appended bottle data has only gone through a cursory and thus incomplete quality control process. Sensor data taken during the cast may also contain anomolous features (e.g., drop outs and spikes) that have not been complety processed. Preliminary CTD data is offered as a single compressed .zip file as yymm_CTDPrelim.zip that may contain files and folder structure for ASC-HDR, CSV-Plot, and metadata formats as they becomne available.
Cast Files
Are files as created by SeaBird's Seasave program during each CalCOFI station. These data are unaltered and may contain errors (e.g., incorrect header information) or be incomplete due to system failure during collection. Two or more files may be available for a single station in the latter case. Each cruise will have a single cast data file. This file is a compressed .zip containing .zip files for each cast of the cruise, yymm_CTDCast.zip and yymm_llllssss_###.zip respectively. Each station .zip should contain the following: .bl, .con, .hdr, .hex, .mrk, and .prn files.
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