Retrieval of ultraviolet skylight radiances and O3 slant column densities from balloon-borne limb spectrometer |
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| Authors: | Fuqi Si Pinhua Xie Cheng Liu Jianguo Liu Yujun Zhang ie Dou Wenqing Liu |
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| Affiliation: | [1]Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031; [2]Satellite Group Mainz-Heidelberg, Max Planck Institut fiir Chemic, Joh.-Joachim-Becher-Weg 27, D-55128 Mainz, Germany |
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| Abstract: | With a novel light-weight and absolutely calibrated ultraviolet (UV) spectrometer,UV skylight radiances and O3 slant column densities are measured by balloon-borne limb measurements in Xinjiang area,China.UV skylight radiances measured at the height of 31 km are compared with the results from Modtran in the wavelength range from 290 to 420 nm.03 slant column densities are derived from radiance spectra in the Huggins bands (320 - 335 nm) using differential optical absorption spectroscopy method.And the parameter exhibits a good correlation with the same value simulated by radiative transfer model (Tracy).The O3 profile simultaneously measured by an O3 sonde is used as input in Tracy calculations.The O3 sonde is launched on the same balloon. |
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| Keywords: | spectrometer limb densities column balloon profile simultaneously used input parameter good correlation value simulated transfer model differential optical absorption spectroscopy method derived |
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