World and Regional Calibration Centers

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Calibration Centres

GAW calibration centres are either global (WCCs) or regional (RCCs) in responsibility.  The centres are operated by institutions participating in the GAW programme that are able to provide sufficient technical facilities and highly qualified personnel.  WCCs and RCCs must be officially recognized by the WMO Commission on Atmospheric Science through its Working Group on Environmental Pollution and Atmospheric Chemistry.  The main tasks of WCCs and RCCs as outlined in (WMO/GAW Strategy of Implementation, 2001 Report No. 142) are:
  • Develop quality control procedures and SOPs for traceability of measurements to the reference standards
  • Maintain laboratory and transfer standards that are traceable to the reference standards
  • Perform regular calibrations and audits at GAW sites
  • Provide in co-operation with QA/SACs training and technical assistance for stations

GAW Calibration Centres also provide on-site training and expert advice to help station personnel maintain the required data quality.  Workshops are also held during inter-comparisons and calibration campaigns.  Further help is provided to the less experienced personnel at new stations by personnel from well-established and technically advanced stations.  In addition, GAW Calibration Centres sometimes sponsor training sessions for station personnel, particularly those located in developing countries (Capacity Building).


[From wmo arep gaw web page [1]]

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