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首页> 外文期刊>Applied optics >Refractive sounding by use of satellite solar occultation measurements including an assessment of its usefulness to the Stratospheric Aerosol and Gas Experiment Program
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Refractive sounding by use of satellite solar occultation measurements including an assessment of its usefulness to the Stratospheric Aerosol and Gas Experiment Program

机译：通过使用卫星太阳掩星测量进行折射测深，包括评估其对平流层气溶胶和气体实验计划的有用性

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摘要

Vertical profiles of atmospheric density and temperature obtained with the technique of solar refractive sounding can potentially be used to improve satellite solar occultation trace species retrievals by reducing the uncertainties associated with Rayleigh scattering and the temperature dependence of absorption bands. The required refraction measurements and the algorithm utilized to recover density and temperature are described. Simulations are performed to estimate the measurement accuracy that is necessary to retrieve useful meteorological soundings at stratospheric altitudes. The method is applied to data measured by the Stratospheric Aerosol and Gas Experiment (SAGE) II. Unfortunately,because of poor vertical sampling and measurement uncertainties, the meteorological profiles derived from the SAGE II data are not consistently accurate enough to improve the SAGE II estimates for the concentrations of trace species. However, the qualitatively decent results provide optimism for future development and implementation of visible refractive sounding as a tool to help improve the accuracy of trace species retrievals within solar or stellar occultation experiments, including the SAGE Ⅲ program. # 1998 Optical Society of America OCIS codes: 010.3920, 010.4030, 010.1290.
机译：通过减少与瑞利散射相关的不确定性和吸收带的温度依赖性，利用太阳折射测深技术获得的大气密度和温度的垂直剖面可以潜在地用于改善卫星太阳掩星痕迹种类的检索。描述了所需的折射测量和用于恢复密度和温度的算法。进行模拟以估计测量精度，这对于在平流层高度检索有用的气象测深是必不可少的。该方法适用于通过平流层气溶胶和气体实验（SAGE）II测量的数据。不幸的是，由于垂直采样和测量不确定性差，从SAGE II数据得出的气象资料不够稳定，不足以提高SAGE II对痕量物种浓度的估计。但是，定性的体面结果为将来开发和实施可见折射测深提供了乐观，因为该工具可以帮助提高日光或恒星掩星实验（包括SAGEⅢ计划）中痕量物种检索的准确性。 ＃1998美国光学学会OCIS代码：010.3920、010.4030、010.1290。

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