Comparison between ozonesonde measurements and satellite retrievals over Beijing, China

IF 2.3 4区地球科学 Q3 METEOROLOGY & ATMOSPHERIC SCIENCES Atmospheric and Oceanic Science Letters Pub Date : 2024-01-01 DOI:10.1016/j.aosl.2023.100378

Jinqiang Zhang , Yuejian Xuan , Jianchun Bian , Holger Vömel , Yunshu Zeng , Zhixuan Bai , Dan Li , Hongbin Chen

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Abstract

The authors built an electrochemical concentration cell ozonesonde and have been launching it weekly from Beijing on the North China Plain since 2013. This study is the first to use ozonesonde measurements collected over Beijing during 2013–2019 to evaluate vertical ozone profiles derived from the Atmospheric Infrared Sounder (AIRS) onboard the Aqua satellite and Microwave Limb Sounder (MLS) onboard the Aura satellite. The total column ozone calculated from the ozonesonde measurements is also compared with retrievals from AIRS and the Ozone Monitoring Instrument (OMI) onboard the Aura platform. Overall, the ozonesonde measurements and satellite retrievals show similar variability in the ozone profiles (with a relative difference mostly < 10%), albeit with a relatively large discrepancy arising at certain levels. The total column ozone derived from the three instruments shows reasonable agreement and similar annual variation. The annual average total column ozone is 351.8 ± 18.4 DU, 348.8 ± 19.5 DU, and 336.9 ± 14.2 DU for the ozonesonde, AIRS, and OMI, respectively. Further comparative analysis of ozonesonde data collected in the future from multiple sites in China will improve the understanding of their consistency with satellite retrievals over different regions in China.

摘要

从2013年开始, 作者团队使用自主研发电化学原理臭氧探空仪在华北平原北京地区进行每周一次观测. 本研究首次使用2013–2019年期间北京地区臭氧探空数据评估Aqua卫星搭载大气红外探测仪 (AIRS) 和Aura卫星搭载微波临边探测器 (MLS) 反演垂直臭氧廓线, 并对比臭氧探空, AIRS和Aura卫星搭载臭氧监测仪 (OMI) 臭氧柱总量结果. 尽管臭氧探空与卫星反演垂直臭氧廓线在局部高度处差异较大, 但整体来说两者较为接近 (相对偏差大多<10%). 臭氧探空, AIRS和OMI三种仪器测量臭氧柱总量的年变化特征较为一致, 其年均臭氧柱总量分别为351.8 ± 18.4 DU, 348.8 ± 19.5 DU和336.9 ± 14.2 DU. 后续对国内多站点观测数据分析将有助于进一步理解臭氧探空与卫星反演臭氧资料在不同区域的一致性.

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中国北京上空臭氧探测器测量结果与卫星反演结果的比较

作者建造了一个电化学浓度池臭氧探测仪，自2013年起每周从华北平原的北京发射一次。本研究首次利用 2013-2019 年期间在北京上空收集的臭氧探测仪测量数据，对 Aqua 卫星上的大气红外探测仪（AIRS）和 Aura 卫星上的微波测边仪（MLS）得出的臭氧垂直剖面进行评估。此外，还将臭氧探测仪测量结果计算出的臭氧柱总量与大气红外探测仪和 Aura 平台上的臭氧监测仪（OMI）的检索结果进行了比较。总体而言，臭氧探测仪的测量结果和卫星检索结果显示出臭氧剖面的相似变化（相对差异大多为 10%），尽管在某些水平上存在相对较大的差异。三种仪器得出的臭氧柱总量显示出合理的一致性和相似的年变化。臭氧探测仪、AIRS 和 OMI 的年平均臭氧柱总量分别为 351.8 ± 18.4 DU、348.8 ± 19.5 DU 和 336.9 ± 14.2 DU。未来对从中国多个站点收集的臭氧探测仪数据进行进一步的比较分析，将有助于更好地理解它们与卫星对中国不同地区的探测结果之间的一致性。摘要从 2013 年开始，作者团队使用自主研发的电化学原理臭氧探空仪在华北平原北京地区进行每周一次观测。本研究首次使用2013-2019年期间北京地区臭氧探空数据评估Aqua卫星搭载大气红外探测仪 (AIRS) 和Aura卫星搭载微波临边探测器 (MLS) 反演垂直臭氧廓线, 并对比臭氧探空, AIRS和Aura卫星搭载臭氧监测仪 (OMI) 臭氧柱总量结果.尽管臭氧探空与卫星反演垂直臭氧廓线在局部高度处差异较大，但整体来说两者较为接近 (相对偏差大多<10%)。臭氧探空、airs 和omi三种仪器测量臭氧柱总量的年变化特征较为一致，其年均臭氧柱总量分别为 351.8 ± 18.4 du、348.8 ± 19.5 du 和 336.9 ± 14.2 du。后续对国内多站点观测数据分析将有助于进一步理解臭氧探空与卫星反演臭氧资料在不同区域的一致性。

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