Combining infrared aerosol transmittance spectra from the Atmospheric Chemistry Experiment Fourier trans -form spectrometer (ACE-FTS) and visible/near infrared extinction information from coincident SAGE III/ISS measurements, the properties of stratospheric sulfate aerosols are derived under various conditions. Assuming a bimodal size log-normal distribution (rather than a monomodal one) is required to properly characterize the spectra. Analysis is performed for enhanced sulfate conditions following two recent volcanic eruptions, the Raikoke eruption in 2019 and the Hunga Tonga-Hunga Ha'apai eruption in 2022, as well as for measurements under background sulfate conditions. The traditional analysis approach of assuming a monomodal distribution likely contributes to the large uncertainties for the impact of sulfate aerosols on climate.
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Univ Paris 06, CNRS, Serv Aeron, IPSL, Paris, FranceUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Turquety, S.
Clerbaux, C.
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Univ Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Univ Libre Bruxelles, Brussels, BelgiumUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Clerbaux, C.
Law, K.
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Univ Paris 06, CNRS, Serv Aeron, IPSL, Paris, FranceUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Law, K.
Coheur, P. -F.
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Univ Libre Bruxelles, Brussels, BelgiumUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Coheur, P. -F.
Cozic, A.
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UVSQ, CNRS, CEA, Lab Sci Climat & Environm IPSL, Gif Sur Yvette, FranceUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Cozic, A.
Szopa, S.
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UVSQ, CNRS, CEA, Lab Sci Climat & Environm IPSL, Gif Sur Yvette, FranceUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Szopa, S.
Hauglustaine, D. A.
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UVSQ, CNRS, CEA, Lab Sci Climat & Environm IPSL, Gif Sur Yvette, FranceUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Hauglustaine, D. A.
Hadji-Lazaro, J.
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Univ Paris 06, CNRS, Serv Aeron, IPSL, Paris, FranceUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Hadji-Lazaro, J.
Gloudemans, A. M. S.
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SRON Netherlands Inst Space Res, Utrecht, NetherlandsUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Gloudemans, A. M. S.
Schrijver, H.
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SRON Netherlands Inst Space Res, Utrecht, NetherlandsUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Schrijver, H.
Boone, C. D.
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Univ Waterloo, Dept Chem, Waterloo, ON N2L 3G1, CanadaUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Boone, C. D.
Bernath, P. F.
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机构:
Univ Waterloo, Dept Chem, Waterloo, ON N2L 3G1, Canada
Univ York, Dept Chem, York YO10 5DD, N Yorkshire, EnglandUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
Bernath, P. F.
Edwards, D. P.
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Natl Ctr Atmospher Res, Div Atmospher Chem, Boulder, CO 80307 USAUniv Paris 06, CNRS, Serv Aeron, IPSL, Paris, France
机构:
Old Dominion Univ, Deparment Phys, Norfolk, VA 23529 USA
Old Dominion Univ, Dept Chem & Biochem, Norfolk, VA USA
Univ Waterloo, Dept Chem, Waterloo, ON, CanadaOld Dominion Univ, Deparment Phys, Norfolk, VA 23529 USA
Bernath, P.
Boone, C. D.
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Univ Waterloo, Dept Chem, Waterloo, ON, CanadaOld Dominion Univ, Deparment Phys, Norfolk, VA 23529 USA
Boone, C. D.
[J].
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER,
2024,
314