[Code Table 4.2] New entries for the Copernicus Atmospheric Monitoring service (CAMS)

[sebvi]

Introduction

For new developments in the Copernicus Atmosphere Monitoring Service, new parameters in Code Table 4.2 are needed.

Amendment details

ADD to code table 4.2 Product discipline 0 - Meteorological products, parameter category 20: atmospheric chemical constituents

Code	Description	Unit
20	Photolysis rate	s-1
21	Emission potential	kg m-2 s-1

ADD to code table 4.2 Product discipline 0 - category 2: momentum

Code	Description	Unit
70	Wind speed threshold for wind erosion	m s-1

Requestor(s)

Sebastien Villaume (ECMWF)
Robert Osinski (ECMWF)
Johannes Flemming (ECMWF)

Stakeholder(s)

ECMWF
Copenicus Atmospheric monitoring service (CAMS)

Expected impact of change

None

Consultations

No response

Data exchange plans

No response

Comments

No response

[amilan17]

https://github.com/wmo-im/et-data/wiki/2025.10.07.et.data notes:
Sebastien introduced the proposal -- add explanation or note on what threshold is...

[marijanacrepulja]

@sebvi to provide definition on Wind speed threshold for wind erosion

[sebvi]

branch updated

[amilan17]

https://github.com/wmo-im/et-data/wiki/2025.11.04.et.data notes:
Sebastien moved wind threshold to the momentum category;
@sebvi to add definition and then ready for review

[amilan17]

https://github.com/wmo-im/et-data/wiki/2025.12.09.et.data
note added to branch
PR ready for review

[amilan17]

reviewed