ClO Observations from Space by JEM/SMILES: First results of SMILES L2 research product and comparison with MLS and Odin/SMR
Abstract
Submillimetre-wave receiving Systems based on sensitive SIS (Superconductor-Insulator-Superconductor) detector Technology provide new opportunities for Accurate Observation of ClO in the at-mosphere. The Superconducting Submillimetre-Wave Limb-Emission Sounder (SMILES) was launched and installed onboard the Japanese Experiment Module (JEM) of the International Space Station (ISS) in September 2009. The SMILES project is a collaboration of the National Institute of Information and Communications Technology (NICT) and the Japan Aerospace Exploration Agency (JAXA). The aims of THE SMILES project are: i) Space demonstration of super-conductive SIS mixer for submillimetre-wave limb emission sounding cooled down to 4K using a mechanical cooler. ii) Global measurements of atmospheric molecules and radicals. SMILES observes atmospheric species and isotopologues such as Osub3/sub, Hsup35/supCl, Hsup37/supCl, ClO, Upper tro-pospheric humidity, BrO, HOBr, HOCl, HOsub2/sub, Hsub2/subOsub2/sub, HNOsub3/sub, CHsub3/subCN, SOsub2/sub, and ozone isotope species in the altitude region from the upper troposphere to the mesosphere with a precision of a few percent. SMILES observes day and night profiles of ClO in the altitude range 20-65km between 65N and 38S. We have been analyzing the ClO observations. We will present the recent status of the analysis with respect to the NICT research level-2 data product, give an error estimation, and provide early comparison/validation results from comparisons with global measurements from Odin/SMR and MLS.
- Publication:
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38th COSPAR Scientific Assembly
- Pub Date:
- 2010
- Bibcode:
- 2010cosp...38..223S