30 November 2017 Bottlenecks in the remote sensing of the 13CO2/12CO2 isotopic ratio from GOSAT measurements
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Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 104661Q (2017) https://doi.org/10.1117/12.2287960
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation
Abstract
This paper analyses the feasibility of the remote sensing of the 13CO2/12CO2 isotopic ratio in the atmosphere using Thermal and Near-infrared Sensor for Carbon Observation-Fourier Transform Spectrometer/Greenhouse gases Observing SATellite (TANSO-FTS/GOSAT) measurements in the near infrared spectral range. We propose a spectral window with distinct 13CO2 signatures and present retrieval error estimates for different sources of uncertainty such as: measurement noise, spectroscopy and a pirori profiles. We define main bottlenecks in the retrieval and discuss if such methods can be used to monitor local changes and detect global trends of the isotopic CO2 ratio in the atmosphere.
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N. V. Rokotyan, R. Imasu, K. G. Gribanov, V. I. Zakharov, "Bottlenecks in the remote sensing of the 13CO2/12CO2 isotopic ratio from GOSAT measurements", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104661Q (30 November 2017); doi: 10.1117/12.2287960; https://doi.org/10.1117/12.2287960
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