A comparison of OH nightglow volume emission rates as measured by SCIAMACHY and SABER
Alternative TitleWOS:000541482200001
Zhu, Yajun1; Kaufmann, Martin2; Chen, Qiuyu2; Xu, Jiyao1,3; Gong, Qiucheng2; Liu, Jilin4; Wei, Daikang2; Riese, Martin2
AbstractHydroxyl (OH) short-wave infrared emissions arising from OH(4-2, 5-2, 8-5, 9-6) as measured by channel 6 of the SCanning Imaging Absorption spectroMeter for Atmospheric CHartographY (SCIAMACHY) are used to derive concentrations of OH(v = 4, 5, 8, and 9) between 80 and 96 km. Retrieved concentrations are used to simulate OH(5-3, 4-2) integrated radiances at 1.6 mu m and OH(9-7, 8-6) at 2.0 mu m as measured by the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) instrument, which are not fully covered by the spectral range of SCIAMACHY measurements. On average, SABER unfiltered data are on the order of 40% at 1.6 mu m and 20% at 2.0 mu m larger than the simulations using SCIAMACHY data. Unfiltered SABER data are a product, which accounts for the shape, width, and transmission of the instrument's broadband filters, which do not cover the full ro-vibrational bands of the corresponding OH transitions. It is found that the discrepancy between SCIAMACHY and SABER data can be reduced by up to 50 %, if the filtering process is carried out manually using published SABER interference filter characteristics and the latest Einstein coefficients from the HITRAN database. Remaining differences are discussed with regard to model parameter uncertainties and radiometric calibration.
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Affiliation1.Forschungszentrum Julich, Inst Energy & Climate Res, Julich, Germany
2.Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China
3.Univ Wuppertal, Inst Atmospher & Environm Res, Wuppertal, Germany
4.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing, Peoples R China
5.China Acad Space Technol, Qian Xuesen Lab Space Technol, Beijing, Peoples R China
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Zhu, Yajun,Kaufmann, Martin,Chen, Qiuyu,et al. A comparison of OH nightglow volume emission rates as measured by SCIAMACHY and SABER[J]. ATMOSPHERIC MEASUREMENT TECHNIQUES,2020,13(6):3033-3042.
APA Zhu, Yajun.,Kaufmann, Martin.,Chen, Qiuyu.,Xu, Jiyao.,Gong, Qiucheng.,...&Riese, Martin.(2020).A comparison of OH nightglow volume emission rates as measured by SCIAMACHY and SABER.ATMOSPHERIC MEASUREMENT TECHNIQUES,13(6),3033-3042.
MLA Zhu, Yajun,et al."A comparison of OH nightglow volume emission rates as measured by SCIAMACHY and SABER".ATMOSPHERIC MEASUREMENT TECHNIQUES 13.6(2020):3033-3042.
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