GCOS Network Accreditation

Weather station in a snow-dusted open field, with bare trees in the background under a clear blue sky.
There are 3 designations of network: GCOS Network, GCOS Affiliated Network and GCOS Recognized Network. 

Network Oversight

Reporting

GCOS Network
Logo of the Global Climate Observing System with a globe icon and the text "Part of the Global Climate Observing System, a GCOS Network.

GCOS, oversight by GCOS Network Manager of GCOS panels

Annually to GCOS, represented at GCOS Meetings

GCOS Affiliated Network
Logo with a globe icon. Text reads: "Part of the Global Climate Observing System, a GCOS Affiliated Network.

Oversight exists but is not GCOS

e.g. OCG for ocean networks or this is part of the network as in the GTN.

GCOS Recognized Network
Logo for the Global Climate Observing System, featuring a stylized globe with text: "Part of the Global Climate Observing System, a GCOS Recognized Network.

Annual report available but no direct reporting to GCOS 

Information about the recognition process and the needed form is available for download: GCOS Network Accreditation.

To apply for the formal accreditation as a GCOS Network, please complete the proforma and send it to:

  • ctassoneatwmo [dot] int (ctassone[at]wmo[dot]int) for atmosphere networks;
  • bmartinmiguezatwmo [dot] int (bmartinmiguez[at]wmo[dot]int) for oceanic networks;
  • abombelliatwmo [dot] int (abombelli[at]wmo[dot]int) for terrestrial networks.

The following networks are already accredited: 

Network

Certificate

GTN-G: Global Terrestrial Network for Glaciers

(Accreditation date: 18 February 2026)
 

Certificate for the Global Terrestrial Network for Glaciers recognizing it as a GCOS Affiliated Network, dated 18 February 2026, with official logos and signatures.

ISMN: International Soil Moisture Network

(Accreditation date: 17 February 2026)
 

A certificate recognizing the ISMN International Soil Moisture Network as a GCOS Affiliated Network, dated 17 February 2026, with official logos and signatures.

GTN-P: Global Terrestrial Network for Permafrost

(Accreditation date: 13 February 2026)
 

Certificate recognizing the GTN-P Global Terrestrial Network for Permafrost as a GCOS Affiliated Network, dated 13th February 2026, with official signatures and logos.

GTN-R: Global Terrestrial Network for Rivers

(Accreditation date: 10 March 2025)

GTN-R accreditation certificate as GCOS Network

BSRN: Baseline Surface Radiation Network

(Accreditation date: 01/09/2022)

Certificate for BSRN recognizing completion of the GCOS accreditation process, with signatures and logos from relevant organizations, dated 1st September 2022.