Application of temperature dependent ozone absorption cross-sections in total ozone retrieval at Kunming and Hohenpeissenberg stations
Application of temperature dependent ozone absorption cross-sections in total ozone retrieval at Kunming and Hohenpeissenberg stations
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温度依赖性臭氧吸收截面在昆明站和霍恩佩森贝格站总臭氧反演中的应用
DOI：
10.1016/j.atmosenv.2019.116890
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发表时间：
2019-10
影响因子：
5
通讯作者：
Wang Weiguo
中科院分区：
文献类型：
--
作者：
Wang Haoyue;Chai Suying;Tang Xiao;Zhou Bin;Bian Jianchun;Zheng Xiangdong;Vomel Holger;Yu Ke;Wang Weiguo
我们分析了四组数据中臭氧吸收截面的温度依赖性：基于Bass和Paur（BPQ）测量的二次温度数据; SCIAMACHY卫星光谱仪（SAC）测量的数据; Daumont，Brion和Malicet（DBM）得出的数据;以及由Serdyuchenko等人确定的数据。来自不莱梅大学（SER）。计算了低纬昆明站和中纬Hohenpeissenberg站的多布森和Brewer臭氧有效吸收系数。对不同臭氧吸收截面数据集的臭氧总柱（TOC）的检验表明，在多布森和Brewer反演算法中，Brewer仪器受温度的影响小于多布森仪器。两台仪器对SAC的温度灵敏度分别为−0.005%°C− 1和0.102%°C−1，表明温度灵敏度的差异导致了两台仪器之间TOC测量的差异，以及系统的季节差异。使用BPQ，DBM和SER来检索TOC将使两种仪器的总偏差分别增加2.5%，-2.77%和-1.89%。两台仪器的TOC反演结果一致性最好的是SAC，偏差仅为0.03%。系统的季节性偏差也能得到有效改善。此外，这项工作弥补了低纬度地区相关研究的不足。低纬站仪器系统偏差月均值的变幅约为中纬站的一半（昆明站：0.2%~ 1.1%，Hohenpeissenberg站：0.2%~ 2.0%）。这是因为臭氧和温度的垂直分布在不同纬度地区存在差异，中高纬度地区的季节变化显著，而低纬度地区的臭氧有效温度（Teff）变化不大。
We analyzed the temperature dependence of ozone absorption cross-sections in four data sets: the quadratic temperature data based on measurements of Bass and Paur (BPQ); data measured with the SCIAMACHY satellite spectrometer (SAC); data derived by Daumont, Brion, and Malicet (DBM); and data determined by Serdyuchenko et al. from the University of Bremen (SER). The ozone effective absorption coefficients of the Dobson and Brewer instruments at Kunming in the low-latitude stations and Hohenpeissenberg in the middle-latitude stations were calculated. The test of the total ozone column (TOC) from different ozone absorption cross-section data sets shows that in the Dobson and Brewer retrieval algorithms, the effect of temperature on the Brewer instrument is smaller than that for the Dobson instrument. The temperature sensitivity of the two instruments to the SAC is −0.005%°C−1and 0.102%°C−1, respectively, indicating that the differences in the temperature sensitivity result in differences in the TOC measurements between the two instruments, as well as in systematic seasonal differences. Using BPQ, DBM and SER to retrieve TOC will increase the overall deviation of the two instruments by 2.5%, −2.77% and −1.89%, respectively. The consistency of the TOC retrieval in the two instruments is the best when using the SAC, which shows a deviation of only 0.03%. The systematic seasonal deviation can also be effectively improved. In addition, this work makes up for the lack of relevant research in low-latitude areas. The rangeability of the monthly mean value of the instrument system deviation at a low-latitude station is about one-half of that at the mid-latitude station (Kunming: 0.2%–1.1%, Hohenpeissenberg: 0.2%–2.0%). This is because the vertical distribution of the ozone and temperature varies in different latitudes, the seasonal variation in the middle and high latitudes is significant, and the effective temperature of ozone (Teff) in low latitudes changes little.
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