Articles | Volume 13, issue 12
Atmos. Meas. Tech., 13, 6837–6852, 2020

Special issue: New developments in atmospheric limb measurements: instruments,...

Atmos. Meas. Tech., 13, 6837–6852, 2020
Research article
16 Dec 2020
Research article | 16 Dec 2020

Validation of SMILES HCl profiles over a wide range from the stratosphere to the lower thermosphere

Seidai Nara et al.

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Cited articles

Aura/MLS: EOS MLS data, Jet Propulsion Laboratory, available at:, last access: 18 November 2020. a
Baron, P., Urban, J., Sagawa, H., Möller, J., Murtagh, D. P., Mendrok, J., Dupuy, E., Sato, T. O., Ochiai, S., Suzuki, K., Manabe, T., Nishibori, T., Kikuchi, K., Sato, R., Takayanagi, M., Murayama, Y., Shiotani, M., and Kasai, Y.: The Level 2 research product algorithms for the Superconducting Submillimeter-Wave Limb-Emission Sounder (SMILES), Atmos. Meas. Tech., 4, 2105–2124,, 2011. a, b
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Short summary
In the atmosphere, more than 80 % of chlorine compounds are anthropogenic. Hydrogen chloride (HCl), the main stratospheric chlorine reservoir, is useful to estimate the total budget of the atmospheric chlorine compounds. We report, for the first time, the HCl vertical distribution from the middle troposphere to the lower thermosphere using a high-sensitivity SMILES measurement; the data quality is quantified by comparisons with other measurements and via theoretical error analysis.