JEM/SMILES limb-sounding of stratospheric trace species I: retrieval algorithm and simulator

Chikako Takahashi; Yasuko Kasai; Satoshi Ochiai; Sho Tsujimaru; Tomoko Shirai; Makoto Suzuki; Takeshi Manabe; Masumichi Seta; Junji Inatani; Hiroyuki Ozeki; Toshiyuki Nishibori; Takashi Nakajima; Yasunori Fujii; Hirotomo Taniguchi; Yasuhiro Itou; Harunobu Masuko

doi:10.1117/12.410607

21 December 2000 JEM/SMILES limb-sounding of stratospheric trace species I: retrieval algorithm and simulator

Chikako Takahashi, Yasuko Kasai, Satoshi Ochiai, Sho Tsujimaru, Tomoko Shirai, Makoto Suzuki, Takeshi Manabe, Masumichi Seta, Junji Inatani, Hiroyuki Ozeki, Toshiyuki Nishibori, Takashi Nakajima, Yasunori Fujii, Hirotomo Taniguchi, Yasuhiro Itou, Harunobu Masuko

Author Affiliations +

Proceedings Volume 4152, Microwave Remote Sensing of the Atmosphere and Environment II; (2000) https://doi.org/10.1117/12.410607
Event: Second International Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 2000, Sendai, Japan

Abstract

In order to estimate measurement capability of the Superconducting Submillimter-Wave Limb-Emission Sounder (SMILES) on the Japanese Experiment Module (JEM) of the International Space Station (ISS) and to clarify the scientific impacts of the JEM/SMILES, we are developing the JEM/SMILES simulator. The simulator consists of the forward model and the inversion model. The forward model calculates a brightness temperature by applying the radiative transfer formula to a limb sounding geometry and simulates the effects of the JEM/SMILES sensor characteristics including optics superconductor-insulator-superconductor (SIS) mixers, Acousto-Optical Spectrometer (AOS), and so on, to it. Because it is important to estimate the effects of the sensor for the retrieval, we develop carefully simulated sensor model. The forward model also calculates weighting functions of molecular, the temperature, the pressure and so on. This paper describes how the brightness temperature and weighting functions are calculated in the forward model and how the effects of the sensor are taken into account in the simulator, and finally shows how the optical estimation method (OEM) is applied to our retrieval model.

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Chikako Takahashi, Yasuko Kasai, Satoshi Ochiai, Sho Tsujimaru, Tomoko Shirai, Makoto Suzuki, Takeshi Manabe, Masumichi Seta, Junji Inatani, Hiroyuki Ozeki, Toshiyuki Nishibori, Takashi Nakajima, Yasunori Fujii, Hirotomo Taniguchi, Yasuhiro Itou, and Harunobu Masuko "JEM/SMILES limb-sounding of stratospheric trace species I: retrieval algorithm and simulator", Proc. SPIE 4152, Microwave Remote Sensing of the Atmosphere and Environment II, (21 December 2000); https://doi.org/10.1117/12.410607

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