Standard Name Table Release - v93 (March 2026)

[japamment]

Dear all,

The standard name table has been updated. The current version is now version 93, dated 17 March 2026.

Emmanuelle Descourvieres, Klaus Keuler, Sebastian Hahn, Jacob Schaperow, Ambroise Albert and Eileen Hertwig have been added to the list of standard name contributors.

All changes are listed below.

Best wishes,
Alison

V93 standard name changes:

New names

a. cf-convention/vocabularies#12
difference_between_change_in_soil_moisture_content_and_sum_of_estimated_contributions
Proposed by Ronny Petrik, Klaus Keuler and Burkhardt Rockel.

b. cf-convention/vocabularies#35
concentration_of_colored_dissolved_organic_matter_in_sea_water
Proposed by Yannick Kern & Colin Stedmon.

c. cf-convention/vocabularies#272
equivalent_thickness_at_stp_of_troposphere_ozone_content
Proposed by Karl Taylor for CMIP7.

d. cf-convention/vocabularies#273
sinking_mole_flux_at_sea_floor_of_calcite_expressed_as_carbon_in_sea_water
sinking_mole_flux_at_sea_floor_of_particulate_iron_in_sea_water
sinking_mole_flux_at_sea_floor_of_particulate_organic_matter_expressed_as_carbon_in_sea_water
sinking_mole_flux_at_sea_floor_of_particulate_organic_nitrogen_in_sea_water
sinking_mole_flux_at_sea_floor_of_particulate_organic_phosphorus_in_sea_water
sinking_mole_flux_at_sea_floor_of_particulate_silicon_in_sea_water
sinking_mole_flux_at_the_sea_floor_of_aragonite_expressed_as_carbon_in_sea_water
Proposed by Karl Taylor for CMIP7.

e. cf-convention/vocabularies#279
number_concentration_of_plastic_items_in_sea_water
ocean_number_content_of_plastic_items
Proposed by Olivia Fauny and Emmanuelle Descourvieres for the NECCTON project and Copernicus Marine Service.

f. cf-convention/vocabularies#282
tendency_of_atmosphere_mole_concentration_of_nox_expressed_as_nitrogen
Proposed by Karl Taylor for CMIP7.

g. cf-convention/vocabularies#284
volume_fraction_of_condensed_water_in_soil_pores
Proposed by Sebastian Hahn for use with active microwave instruments on board satellites.

h. cf-convention/vocabularies#285
land_condensed_water_amount
net_ecosystem_production_expressed_as_carbon_per_unit_area
groundwater_amount
surface_skin_temperature
canopy_resistance_to_evapotranspiration
stomatal_resistance_to_transpiration_assuming_fully_open
surface_snow_sublimation_flux
photosynthesizing_vegetation_area_fraction
Proposed by Jacob Schaperow for land surface modelling.

i. cf-convention/vocabularies#289
mass_concentration_of_dissolved_ope_in_sea_water
mass_concentration_of_gaseous_ope_in_air
mass_concentration_of_ope_in_dry_aerosol_particles_in_air
mass_concentration_of_ope_in_particulate_organic_matter_in_sea_water
mole_concentration_of_dissolved_pcb_in_sea_water
mole_concentration_of_pcb_in_particulate_organic_matter_in_sea_water
mole_concentration_of_dissolved_pfas_in_sea_water
mole_concentration_of_pfas_in_particulate_organic_matter_in_sea_water
Proposed by Olivia Fauny and Emmanuelle Descourvieres for the NECCTON project and Copernicus Marine Service.

j. cf-convention/vocabularies#293
probability_of_sea_ice_area_fraction_above_threshold
Proposed by Ambroise Albert for the Copernicus Marine Service.

k. cf-convention/vocabularies#297
moles_of_organic_mercury_per_unit_mass_of_phytoplankton_expressed_as_carbon
moles_of_organic_mercury_per_unit_mass_of_zooplankton_expressed_as_carbon
Proposed by Emmanuelle Descourvieres for the Copernicus Marine Service.

New aliases

No new aliases were created at v93.

Updated term descriptions for existing names

a. cf-convention/vocabularies#285
The descriptions of two names were updated to clarify that the soil_layer_defined_by_root_depth is also known as the 'root zone':
mass_content_of_water_in_soil_layer_defined_by_root_depth
mass_fraction_of_water_in_soil_layer_defined_by_root_depth
Proposed by Jacob Schaperow.