Calibration of sealed HCl cells used for TCCON instrumental line shape 
monitoring

Hase, F.; Drouin, B. J.; Roehl, C. M.; Toon, G. C.; Wennberg, P. O.; Wunch, D.; Blumenstock, T.; Desmet, F.; Feist, Dietrich G.; Heikkinen, P.; De Maziere, M.; Rettinger, M.; Robinson, J.; Schneider, M.; Sherlock, V.; Sussmann, R.; Te, Y.; Warneke, T.; Weinzierl, C.

doi:10.5194/amt-6-3527-201

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Calibration of sealed HCl cells used for TCCON instrumental line shape monitoring

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Feist, Dietrich G.
Atmospheric Remote Sensing Group, Dr. D. Feist, Department Biogeochemical Systems, Prof. M. Heimann, Max Planck Institute for Biogeochemistry, Max Planck Society;

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http://dx.doi.org/10.5194/amt-6-3527-201
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引用

Hase, F., Drouin, B. J., Roehl, C. M., Toon, G. C., Wennberg, P. O., Wunch, D., Blumenstock, T., Desmet, F., Feist, D. G., Heikkinen, P., De Maziere, M., Rettinger, M., Robinson, J., Schneider, M., Sherlock, V., Sussmann, R., Te, Y., Warneke, T., & Weinzierl, C. (2013). Calibration of sealed HCl cells used for TCCON instrumental line shape monitoring. Atmospheric Measurement Techniques, 6, 3527-3537. doi:10.5194/amt-6-3527-201.

引用: https://hdl.handle.net/11858/00-001M-0000-0014-4C6D-C

要旨

The TCCON (Total Carbon Column Observing Network) FTIR network provides highly accurate observations of greenhouse gases column-averaged dry-air mole fractions. As an important component of TCCON quality assurance measures, sealed cells 5 filled with approx. 5mbar of HCl are used for instrumental line shape (ILS) monitoring at all TCCON sites. Here, we introduce a calibration procedure for the HCl cells which applies a refillable, pressure-monitored reference cell filled with C2H2. Using this method, we identify residual variations of HCl purity between the TCCON cells as a non-negligible disturbance.