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Real Time File Description

kerfoot edited this page May 10, 2013 · 65 revisions

Global Attributes

Global Attributes

File Naming Convention

The following list specifies the 4 file types which will be accepted by the IOOS National Glider Data Acquisition Center and the proposed naming conventions for each:

  • glider-SN_yyyymmddTHHMMSS_rt0.nc: Real-time data with no QC. This is the minimum processing level accepted by the DAC and contains the raw data values with no operator provided quality control.
  • glider-SN_yyyymmddTHHMMSS_rt1.nc: Real-time data with operator provided QC
  • glider-SN_yyyymmddTHHMMSS_delayed0.nc: Delayed-mode data with no QC
  • glider-SN_yyyymmddTHHMMSS_delayed1.nc: Delayed-mode data with operator provided QC

where

  • glider: Identifying name or type abbreviation for the glider
  • SN: vehicle serial number as provided by the manufacturer
  • yyyymmddTHHMMSS: [ISO 8601](http://en.wikipedia.org/wiki/ISO_8601) formatted date representing the start time of the data acquisition
  • 'rt' or 'delayed': string specifying real-time (during deployment) or delayed mode (post-recovery) data acquisition
  • 0 or 1: quality control level where 0 corresponds to none and 1 corresponds to some level of operator applied quality control

Ideally, the glider-SN_yyyymmddTHHMMSS_rt1.nc files will be provided by the individual operators during the deployment and the glider-SN_yyyymmddTHHMMSS_delayed1.nc files will be provided after the glider has been recovered and the full data set processed. It is expected that all files containing operator QC'd data will provide the appropriate VARIABLE_qc variables with corresponding attributes from the CF specification.

Axis/Dimension Definitions

Trajectory

Variable Description

Mandatory Variables

Dimensionless Container Variables

Optional Variables

Codes and External References

QC Codes

Platform Types

Quality Control

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