GCOS Network Accreditation

	Network Oversight	Reporting
GCOS Network	GCOS, oversight by GCOS Network Manager of GCOS panels	Annually to GCOS, represented at GCOS Meetings
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		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:

• ctassonewmo [dot] int (ctassone[at]wmo[dot]int) for atmosphere networks;
• bmartinmiguezwmo [dot] int (bmartinmiguez[at]wmo[dot]int) for oceanic networks;
• abombelliwmo [dot] int (abombelli[at]wmo[dot]int) for terrestrial networks.

The following networks are already accredited: 

Name	Accreditation date	Certificate
BSRN, Baseline Surface Radiation Network	1 September 2022
GTN-R, Global Terrestrial Network for Rivers	10 March 2025
GTN-P, Global Terrestrial Network for Permafrost	13 February 2026
ISMN, International Soil Moisture Network	17 February 2026
GTN-G, Global Terrestrial Network for Glaciers	18 February 2026

Network	Certificate
GTN-G: Global Terrestrial Network for Glaciers (Accreditation date: 18 February 2026)
ISMN: International Soil Moisture Network (Accreditation date: 17 February 2026)
GTN-P: Global Terrestrial Network for Permafrost (Accreditation date: 13 February 2026)
GTN-R: Global Terrestrial Network for Rivers (Accreditation date: 10 March 2025)
BSRN: Baseline Surface Radiation Network (Accreditation date: 01/09/2022)