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@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
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@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., &amp; Vandaele, A. C. (2026). <i>SO₂ absorption cross sections in the UV-visible region</i> (Version 1). Royal Belgian Institute for Space Aeronomy. https://doi.org/10.18758/SQUYM2OX" ;
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                    foaf:name "Royal Belgian Institute for Space Aeronomy" ] ;
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            foaf:givenName "Ann Carine" ;
            foaf:name "Vandaele, Ann Carine" ],
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            foaf:givenName "Séverine" ;
            foaf:name "Robert, Séverine" ] ;
    dct:description """This dataset contains laboratory absorption cross sections of sulfur dioxide (SO₂) measured by Fourier transform spectroscopy in the UV-visible spectral region. It gathers data associated with three publications, including measurements at different spectral resolutions and temperatures.\r
\r
###1994 dataset  \r
The txt files so2_2.nm, so2_2.nu, so2_16.nm and so2_16.nu contain SO₂ absorption cross sections measured at 296 K using a 21.1 cm absorption cell and a UV-diode detector. The spectra are provided at resolutions of 2 and 16 cm⁻¹.  \r
For each resolution, the data are provided in two formats: __nm__ files give air wavelength (nm) in the first column, while __nu__ files give wavenumber in air (cm⁻¹). The second column contains the SO₂ absorption cross section. For the wavelength files, the wavelength scale was derived from the wavenumber scale and resampled to obtain a constant wavelength spacing.\r
\r
###2009 dataset  \r
The txt files SO2_298K_24000-44000, SO2_318K_24000-44000, SO2_338K_24000-44000 and SO2_358K_24000-44000 contain SO₂ absorption cross sections covering 24000–44000 cm⁻¹ (approximately 227–420 nm). They combine the spectral regions reported in the two companion publications: 24000–29000 cm⁻¹ (345–420 nm) and 29000–44000 cm⁻¹ (227–345 nm).  \r
Each 2009 data file contains six columns: wavenumber in air (cm⁻¹), absorption cross section (×10⁻¹⁸ cm² molecule⁻¹), systematic error (%), non-systematic error (×10⁻¹⁸ cm² molecule⁻¹), standard deviation (×10⁻¹⁸ cm² molecule⁻¹), and the number of individual absorption cross sections averaged to obtain each value."""@en ;
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