Research Vessel Surface Meteorology Data Center

CLIVAR DAC Research Methods

The CLIVAR Data Assembly Center obtains the underway meteorological from CLIVAR cruises directly from principal investigators, national data centers, and vessel operators. The underway data are converted to a common netCDF format and are then quality controlled using automated and visual inspections. Automated routines identify unrealistic values, statistical outliers, incorrect ship positions and movement, and values that are out of proper time sequence. A visual evaluation of all variables is completed by trained meteorologists to identify significant problems or identify interesting meteorological events. Each problematic data value is assigned an appropricate quality flag.

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