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GEISA 2011 format for absorption cross-sections
1.Header :
The nine first lines of each file define the header describing data parameters.
| Parameter |
Molecule |
Temp |
Pressure |
Resol |
Ref |
Nbline |
WnMin |
WnMax |
| Field length |
10 |
7 |
10 |
6 |
6 |
7 |
11 |
11 |
| Fortran descriptor (values) |
A10 |
F6.2 |
F9.2 |
F5.2 |
A5 |
I6 |
F10.4 |
F10.4 |
| Undefined values |
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-99999.99 |
-9.99 |
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2.Data format :
For a given molecular species, each file describe absorption cross-section data corresponding to :
- a given temperature in K,
- a given pressure in Pa (which could be unknown),
- a given resolution in cm-1 or nm (which could be unknown),
- some references.
In the spectral range WnMin – NnMax (cm-1).
A compressed cross-section file is named “xxxx_rrrr_[yyyy]_tttt_pppp.asc.gz” where :
- xxxx represent the name of the molecule,
- rrrr the resolution,
- yyyy the reference(s),
- tttt the temperature,
- pppp the pressure.
Example of a file name : cfc-14_00.01_[19]_216.00_005012.93.asc.gz
| Parameter |
Wavenumber (cm-1) |
Absorption cross-section (cm2 mol-1) |
| Field length |
13 |
11 |
| Fortran descriptor |
F13.6 |
1PE11.3 |
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