@prefix adms: <http://www.w3.org/ns/adms#> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dcmitype: <http://purl.org/dc/dcmitype/> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix org: <http://www.w3.org/ns/org#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    dct:bibliographicCitation "Robert, S., Vandaele, A. C., &amp; Hermans, C. (2026). <i>NO₂ absorption cross sections at different temperatures and pressures</i> (Version 1) [Dataset]. Royal Belgian Institute for Space Aeronomy. https://doi.org/10.18758/6B80SPV8" ;
    dct:creator [ a foaf:Person ;
            dct:identifier <https://orcid.org/0000-0003-4493-6575> ;
            org:memberOf [ a foaf:Organization ;
                    dct:identifier <https://ror.org/03vfw8w96> ;
                    foaf:name "Royal Belgian Institute for Space Aeronomy" ] ;
            foaf:familyName "Hermans" ;
            foaf:givenName "Christian" ;
            foaf:name "Hermans, Christian" ],
        [ a foaf:Person ;
            dct:identifier <https://orcid.org/0000-0001-7445-3027> ;
            org:memberOf [ a foaf:Organization ;
                    dct:identifier <https://ror.org/03vfw8w96> ;
                    foaf:name "Royal Belgian Institute for Space Aeronomy" ] ;
            foaf:familyName "Robert" ;
            foaf:givenName "Séverine" ;
            foaf:name "Robert, Séverine" ],
        [ a foaf:Person ;
            dct:identifier <https://orcid.org/0000-0001-8940-9301> ;
            org:memberOf [ a foaf:Organization ;
                    dct:identifier <https://ror.org/03vfw8w96> ;
                    foaf:name "Royal Belgian Institute for Space Aeronomy" ] ;
            foaf:familyName "Vandaele" ;
            foaf:givenName "Ann Carine" ;
            foaf:name "Vandaele, Ann Carine" ] ;
    dct:description """This dataset contains laboratory absorption cross sections of nitrogen dioxide (NO₂) measured over the visible and near-infrared spectral regions at different temperatures and pressures.\r
\r
The dataset includes several series of measurements:\r
\r
###Files_96  \r
Spectral resolution: 2 cm⁻¹  \r
Temperature: 294 K  \r
Path length: 5 cm  \r
Pressure: 7–50 Torr, including measurements with 1 atm O₂  \r
Spectral range: 10000–42000 cm⁻¹ (approximately 240–1000 nm)\r
\r
###Files_97  \r
Spectral resolution: 2 cm⁻¹  \r
Temperatures: 220 and 294 K  \r
Path lengths: 20 and 60 m  \r
Pressure: 0.007–2 Torr  \r
Spectral range: 10000–42000 cm⁻¹ (approximately 240–1000 nm)  \r
\r
###IR and VIS files  \r
Spectral resolution: 0.05 cm⁻¹ in the infrared and 0.1 cm⁻¹ in the visible  \r
Temperatures: 220, 240 and 294 K  \r
Path length: 60 m  \r
Pressure: specified in the individual file descriptions  \r
Spectral ranges: 10800–15100 cm⁻¹ (IR) and 13800–26000 cm⁻¹ (VIS)  \r
Instrument: Bruker 120M high-resolution Fourier transform spectrometer  \r
\r
###General comments  \r
- Absorption cross sections are provided in cm² molecule⁻¹. Missing values are indicated by -999.  \r
- Wavenumbers originally measured in air were converted to vacuum wavenumbers using Edlén's formula for 15 °C and 101325 Pa.  \r
- All data are provided as space-delimited ASCII files with .dat or .asc extensions.  \r
- The file names use the following identifiers:\r
R indicates measurements at room temperature, C measurements at 220 K, and P files containing pressure-dependent data.\r
\r
"""@en ;
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        <https://doi.org/10.1029/2001JD000971> ;
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            dcat:startDate "1995"^^xsd:gYear ] ;
    dct:title "NO₂ absorption cross sections at different temperatures and pressures"@en ;
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                "Institut royal d'Aéronomie Spatiale de Belgique"@fr,
                "Koninklijk Belgisch Instituut voor Ruimte-Aeronomie"@nl ;
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        "NO2 - Nitrogen dioxide"@en,
        "laboratory data"@en,
        "spectroscopy"@en ;
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    dct:description """Temperature dependence of the NO2 cross-section. Resolution of 0.05 cm-1.  \r
xs(NO2) = xs0 + xsT * (T-273) with T= Temperature (K)  \r
1 Wavenumber [cm-1] (=1/lambda air)  \r
2 Vacuum Wavenumber [cm-1]  \r
3 xs0  \r
4 xsT  \r
5 Error on xs0  \r
6 Error on xsT"""@en ;
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2 col = vacuum wavenumber (cm-1)  \r
3 col = cross-section (cm2/molec) """@en ;
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    dct:title "NO2 R_96"@en ;
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2 col = vacuum wavenumber (cm-1) [15000-42000 cm-1]  \r
3 col = cross-section"""@en ;
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2 Vacuum Wavenumber [cm-1]  \r
3 Cross-section obtained with pure NO2  \r
4 Cross-section obtained with 7.57 torr total pressure (dilution factor=965 ppm NO2)  \r
5 Cross-section obtained with 28.75 torr total pressure (dilution factor=965 ppm NO2)  \r
6 Cross-section obtained with 79.31 torr total pressure (dilution factor=92 ppm NO2)  \r
7 Cross-section obtained with 300 torr total pressure (dilution factor=92, 965 ppm NO2)  \r
8 Cross-section obtained with 760 torr total pressure (dilution factor=9.6, 92, 965 ppm NO2)"""@en ;
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    dct:description """1 Wavenumber [cm-1] (=1/lambda air)  \r
2 Vacuum Wavenumber [cm-1]  \r
3 Cross-section obtained with pure NO2  \r
4 Cross-section obtained with 300 torr total pressure (dilution factor=9.6, 92,965 ppm NO2)  \r
5 Cross-section obtained with 760 torr total pressure (dilution factor=9.6, 92, 965 ppm NO2)  """@en ;
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    dct:title "NO2 220 IR"@en ;
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2 col = vacuum wavenumber (cm-1) [22000-40000 cm-1]  \r
3 col = cross-section"""@en ;
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    dct:title "N2O4 C_97"@en ;
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    dct:description """Simulation of the NO2 cross-section using several literature data. Resolution of 2 cm-1.  \r
xs(NO2) = xs0 + xsT * (T-273) with T= Temperature (K)  \r
1 Wavenumber [cm-1] (=1/lambda air)  \r
2 Vacuum Wavenumber [cm-1]  \r
3 xs0  \r
4 xsT  \r
5 Error on xs0  \r
6 Error on xsT"""@en ;
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2 Vacuum Wavenumber [cm-1]  \r
3 Cross-section obtained with pure NO2  \r
4 Cross-section obtained with 300 torr total pressure (dilution factor=92,965 ppm NO2)  \r
5 Cross-section obtained with 760 torr total pressure (dilution factor=9.6, 92, 965 ppm NO2)"""@en ;
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2 col = vacuum wavenumber (cm-1) [10000-23000 cm-1]  \r
3 col = cross-section at p<0.015 torr  \r
4 col = cross-section at p=0.03 torr  \r
5 col = cross-section at p=0.04 torr  \r
6 col = cross-section at p=0.16 torr  \r
7 col = cross-section at p=0.25 torr"""@en ;
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    dct:title "NO2 CP_97"@en ;
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<https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/a10628c9-2844-4160-9b13-1c246bde3932> a dcat:Distribution ;
    dct:description """1 col = (1/lambda in air) (cm-1) [15000-42000 cm-1]  \r
2 col = vacuum wavenumber (cm-1) [15000-42000 cm-1]  \r
3 col = cross-section"""@en ;
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    dct:title "NO2 C_97"@en ;
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2 col = vacuum wavenumber (cm-1) [10000-23000 cm-1]  \r
3 col = cross-section at p<0.02 torr  \r
4 col = cross-section at p=0.05 torr  \r
5 col = cross-section at p=0.1 torr  \r
6 col = cross-section at p=0.5 torr  \r
7 col = cross-section at p=0.5 torr  \r
8 col = cross-section at p=1.0 torr"""@en ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/TXT> ;
    dct:issued "2026-07-03T08:48:57.549727"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-09-14T11:41:10.663310"^^xsd:dateTime ;
    dct:title "NO2 RP_97"@en ;
    dcat:accessURL <https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/b0e505c4-96aa-46ea-9cae-41ab694e552a/download/no2rp_97.dat> ;
    dcat:byteSize "1458631"^^xsd:nonNegativeInteger ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/video/mpeg> .

<https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/c943727b-094b-4a0c-8591-846d500d6c8e> a dcat:Distribution ;
    dct:description """Temperature dependence of the NO2 cross-section. Resolution of 0.1 cm-1.  \r
xs(NO2) = xs0 + xsT * (T-273) with T= Temperature (K)   \r
1 Wavenumber [cm-1] (=1/lambda air)  \r
2 Vacuum Wavenumber [cm-1]  \r
3 xs0  \r
4 xsT  \r
5 Error on xs0  \r
6 Error on xsT"""@en ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/TXT> ;
    dct:issued "2026-07-03T10:07:02.797464"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-09-14T11:45:25.019092"^^xsd:dateTime ;
    dct:title "Tdep VIS"@en ;
    dcat:accessURL <https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/c943727b-094b-4a0c-8591-846d500d6c8e/download/tdep_vis.asc> ;
    dcat:byteSize "32116429"^^xsd:nonNegativeInteger ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/application/zip> .

<https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/e00d4404-008e-4037-988d-7bbe91275a76> a dcat:Distribution ;
    dct:description """1 Wavenumber [cm-1] (=1/lambda air)  \r
2 Vacuum Wavenumber [cm-1]  \r
3 Cross-section obtained with pure NO2  \r
4 Cross-section obtained with 7.50 torr total pressure (dilution factor=965 ppm NO2)  \r
5 Cross-section obtained with 28.50 torr total pressure (dilution factor=965 ppm NO2)  \r
6 Cross-section obtained with 100 torr total pressure (dilution factor=92 ppm NO2)  \r
7 Cross-section obtained with 300 torr total pressure (dilution factor=9.6, 92, 965 ppm NO2)  \r
8 Cross-section obtained with 760 torr total pressure (dilution factor=9.6, 92, 965 ppm NO2)"""@en ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/TXT> ;
    dct:issued "2026-07-03T09:23:00.329999"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-09-14T11:42:43.362536"^^xsd:dateTime ;
    dct:title "NO2 220 VIS"@en ;
    dcat:accessURL <https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/e00d4404-008e-4037-988d-7bbe91275a76/download/no2_220_vis.asc> ;
    dcat:byteSize "42929982"^^xsd:nonNegativeInteger ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/media-types.xhtml#text> .

<https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/ebbbbe21-1a0f-4350-ad1b-5cccd9dd726d> a dcat:Distribution ;
    dct:description """1 Wavenumber [cm-1] (=1/lambda air)  \r
2 Vacuum Wavenumber [cm-1]  \r
3 Cross-section obtained with pure NO2  \r
4 Cross-section obtained with 9.55 torr total pressure (dilution factor=965 ppm NO2)  \r
5 Cross-section obtained with 28.60 torr total pressure (dilution factor=965 ppm NO2)  \r
6 Cross-section obtained with 100 torr total pressure (dilution factor=92 ppm NO2)  \r
7 Cross-section obtained with 300 torr total pressure (dilution factor=9.6, 92, 965 ppm NO2)  \r
8 Cross-section obtained with 760 torr total pressure (dilution factor=9.6, 92, 965 ppm NO2)"""@en ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/TXT> ;
    dct:issued "2026-07-03T09:21:31.745559"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-09-14T11:38:08.577478"^^xsd:dateTime ;
    dct:title "NO2 240 VIS"@en ;
    dcat:accessURL <https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/ebbbbe21-1a0f-4350-ad1b-5cccd9dd726d/download/no2_240_vis.asc> ;
    dcat:byteSize "42943241"^^xsd:nonNegativeInteger ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/application/zip> .

<https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/f29400ad-c184-4e8a-8352-301f76c050b1> a dcat:Distribution ;
    dct:description """1 Wavenumber [cm-1] (=1/lambda air)  \r
2 Vacuum Wavenumber [cm-1]  \r
3 Cross-section obtained with pure NO2  \r
4 Cross-section obtained with 300 torr total pressure (dilution factor=9.6, 92,965 ppm NO2)  \r
5 Cross-section obtained with 760 torr total pressure (dilution factor=9.6, 92, 965 ppm NO2)  """@en ;
    dct:format <http://publications.europa.eu/resource/authority/file-type/TXT> ;
    dct:issued "2026-07-03T09:20:42.144372"^^xsd:dateTime ;
    dct:license <http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> ;
    dct:modified "2026-09-14T11:37:01.688347"^^xsd:dateTime ;
    dct:title "NO2 240 IR"@en ;
    dcat:accessURL <https://data.aeronomie.be/dataset/6ca5824b-6b5c-422e-842b-1e8e8a62f111/resource/f29400ad-c184-4e8a-8352-301f76c050b1/download/no2_240_ir.asc> ;
    dcat:byteSize "19349356"^^xsd:nonNegativeInteger ;
    dcat:mediaType <https://www.iana.org/assignments/media-types/application/zip> .

<http://publications.europa.eu/resource/authority/licence/CC_BY_4_0> dct:type <http://purl.org/adms/licencetype/UnknownIPR> .