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首页> 外文期刊>Geophysical Research Letters >Intercomparison of NO2 photolysis frequency measurements by actinic flux spectroradiometry and chemical actinometry during JCOM97
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Intercomparison of NO2 photolysis frequency measurements by actinic flux spectroradiometry and chemical actinometry during JCOM97

机译：JCOM97期间通过光化通量光谱法和化学光化法测量NO2光解频率的比对

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摘要

A first intercomparison of J(NO2) measurements by actinic flux spectroradiometry (SR) and chemical actinometry (CA) was performed in summer 1997 in Julich, Germany. During this experiment (JCOM97) a large set of data was collected with a time resolution of similar to 1 min, showing a high linear correlation (R = 0.998) in J(NO2) Linear regression indicates a good absolute agreement with the CA being 6% higher than SR if the quantum yield recommended by NASA/JPL (1997) and recently published data of the NO2 absorption spectrum (sigma(NO2)) is used for the evaluation of the SR-data. The influence of using previously published (sigma(NO2)) data is discussed. Overall the comparison suggests that J(NO2) can be measured by either CA or SR with an accuracy of better than 10%. [References: 19]
机译：1997年夏季，在德国朱利希进行了通过光化通量光谱法（SR）和化学光化法（CA）进行的J（NO2）测量的首次比对。在此实验（JCOM97）中，收集了大量数据，时间分辨率类似于1分钟，表明J（NO2）中具有很高的线性相关性（R = 0.998）。如果将NASA / JPL（1997）和最近发布的NO2吸收光谱数据（sigma（NO2））推荐的量子产率用于SR数据评估，则比SR高％。讨论了使用以前发布的（sigma（NO2））数据的影响。总体而言，比较结果表明，CA或SR均可测量J（NO2），其准确度优于10％。 [参考：19]

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