![Usability of optical spectrum analyzer in measuring atmospheric CO<sub>2</sub> and CH<sub>4</sub> column densities: inspection with FTS and aircraft profiles in situ]()
Usability of optical spectrum analyzer in measuring atmospheric CO<sub>2</sub> and CH<sub>4</sub> column densities: inspection with FTS and aircraft profiles in situKawasaki, M.; Yoshioka, H.; Jones, N. B.; Macatangay, R.; Griffith, D. W. T.; Kawakami, S.; Ohyama, H.; Tanaka, T.; Morino, I.; Uchino, O.; Ibuki, T. · Atmospheric Measurement Techniques · 2012