Glacier Bay oceanography data quality evaluations (OC_M)

At the end of each survey year, a review is done to determine if post-season calibration data (OC_G) indicate that sensor drift over the cruise year is significant. The original log sheet images (OC_H) are also reviewed for annotations regarding data exceptions. The raw and processed vertical profile data plots are reviewed both separately and jointly for irregular instrument readings.

The Project Leader flags questionable and unusable casts for the year using the data quality report spreadsheets. Inoperable individual sensors encountered during a cast are also noted on the sheets. The Data Manager, after validating the spreadsheet forms, posts the forms to the web and then updates appropriate columns in the cumulative database (OC_D) to reflect quality levels of all observations.