preliminary validation of column-averaged volume mixing ratios of carbon dioxide and methane retrieved from gosat short-wavelength infrared spectra

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2011
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Abstract
Column-averaged volume mixing ratios of carbon dioxide and methane retrieved from the Greenhouse gases Observing SATellite (GOSAT) Short-Wavelength InfraRed observation (GOSAT SWIR <i>X</i><sub>CO<sub>2</sub></sub> and <i>X</i><sub>CH<sub>4</sub></sub>) were compared with the reference calibrated data obtained by ground-based high-resolution Fourier Transform Spectrometers (g-b FTSs) participating in the Total Carbon Column Observing Network (TCCON). <br><br> Preliminary results are as follows: the GOSAT SWIR <i>X</i><sub>CO<sub>2</sub></sub> and <i>X</i><sub>CH<sub>4</sub></sub> (Version 01.xx) are biased low by 8.85 &plusmn; 4.75 ppm (2.3 &plusmn; 1.2 %) and 20.4 &plusmn; 18.9 ppb (1.2 &plusmn; 1.1 %), respectively. The standard deviation of the GOSAT SWIR <i>X</i><sub>CO<sub>2</sub></sub> and <i>X</i><sub>CH<sub>4</sub></sub> is about 1 % (1 σ) after correcting the negative biases of <i>X</i><sub>CO<sub>2</sub></sub> and <i>X</i><sub>CH<sub>4</sub></sub> by 8.85 ppm and 20.4 ppb, respectively. The latitudinal distributions of zonal means of the GOSAT SWIR <i>X</i><sub>CO<sub>2</sub></sub> and <i>X</i><sub>CH<sub>4</sub></sub> show similar features to those of the g-b FTS data except for the negative biases in the GOSAT data.
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morino2011atmosphericpreliminary Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;I. Morino;O. Uchino;M. Inoue;Y. Yoshida;T. Yokota;P. O. Wennberg;G. C. Toon;D. Wunch;C. M. Roehl;J. Notholt;T. Warneke;J. Messerschmidt;D. W. T. Griffith;N. M. Deutscher;V. Sherlock;B. Connor;J. Robinson;R. Sussmann;M. Rettinger
Journal bioorganic & medicinal chemistry
Year 2011
DOI
10.5194/amt-4-1061-2011
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