GRIB2 - TABLE 4.2-0-20

  PARAMETERS FOR DISCIPLINE 0
CATEGORY 20
(Meteorological products, Atmospheric chemical constituents)

Section 0 , Octet 7 = 0
 Section 4, Octet 10 = 20

Created 05/27/2009


Number
(Section 4, octet 11)
Parameter Units
Abbrev
0 Mass Density (Concentration)
kg m-3 MASSDEN
1 Column-Integrated Mass Density (See Note 1)
kg m-2 COLMD
2 Mass Mixing Ratio (Mass Fraction in Air)
kg kg-1 MASSMR
3 Atmosphere Emission Mass Flux
kg m-2s-1 AEMFLX
4 Atmosphere Net Production Mass Flux
kg m-2s-1 ANPMFLX
5 Atmosphere Net Production And Emision Mass Flux
kg m-2s-1 ANPEMFLX
6 Surface Dry Deposition Mass Flux
kg m-2s-1 SDDMFLX
7 Surface Wet Deposition Mass Flux
kg m-2s-1 SWDMFLX
8 Atmosphere Re-Emission Mass Flux
kg m-2s-1 AREMFLX
9-49
Reserved

50 Amount in Atmosphere
mol AIA
51 Concentration In Air
mol m-3 CONAIR
52 Volume Mixing Ratio (Fraction in Air)
mol mol-1 VMXR
53 Chemical Gross Production Rate of Concentration
mol m-3s-1 CGPRC
54 Chemical Gross Destruction Rate of Concentration
mol m-3s-1 CGDRC
55 Surface Flux
mol m-2s-1 SFLUX
56 Changes Of Amount in Atmosphere (See Note 1)
mol s-1 COAIA
57 Total Yearly Average Burden of The Atmosphere
mol TYABA
58 Total Yearly Average Atmospheric Loss (See Note 1)
mol s-1 TYAAL
59 - 99
Reserved

100 Surface Area Density (Aerosol)
m-1 SADEN
101 Atmosphere Optical Thickness
m AOTK
102 - 130
Reserved

131
Nitrogen Dioxide (NO2) Tropospheric Column mol cm-2 NO2TROP
132
Nitrogen Dioxide (NO2) Vertical Column Density mol cm-2 NO2VCD
133
Bromine Monoxide (BrO) Vertical Column Density mol cm-2 BROVCD
134
Formaldehyde (HCHO) Vertical Column Density mol cm-2 HCHOVCD
135 - 191
Reserved

192-254
Reserved for Local Use


255
Missing



Notes:
(1) First fixed surface and Second fixed surface of Code Table 4.5 (Fixed surface types and units)
to define the vertical extent, i.e. First Fixed Surface can be set to 1 (Ground or Water surface)
and second Fixed Surface set to 7 (Tropapause) for a restriction to the troposphere.

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