Publication


D. Wunch, et al.
Calibration of the Total Carbon Column Observing Network using aircraft profile data
Atmospheric Measurement Techniques, 3(5), 1351-1362, 2010; doi: 10.5194/amt-3-1351-2010
CO 13CO C17O C18O CO2 O13CO O13C18O OC18O OC17O H2O HDO H218O H217O N2O N15NO 15NNO N218O N217O
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Abstract


The Total Carbon Column Observing Network (TCCON) produces precise measurements of the column average dry-air mole fractions of CO2, CO, CH4, N2O and H2O at a variety of sites worldwide. These observations rely on spectroscopic parameters that are not known with sufficient accuracy to compute total columns that can be used in combination with in situ measurements. The TCCON must therefore be calibrated to World Meteorological Organization (WMO) in situ trace gas measurement scales. We present a calibration of TCCON data using WMO-scale instrumentation aboard aircraft that measured profiles over four TCCON stations during 2008 and 2009. These calibrations are compared with similar observations made in 2004 and 2006. The results indicate that a single, global calibration factor for each gas accurately captures the TCCON total column data within error.

Reference


@article{amt-3-1351-2010,
  author = "D. Wunch and G. C. Toon and P. O. Wennberg and S. C. Wofsy and B. B. Stephens and M. L. Fischer and O. Uchino and J. B. Abshire and P. Bernath and S. C. Biraud and J.-F. L. Blavier and C. Boone and K. P. Bowman and E. V. Browell and T. Campos and B. J. Connor and B. C. Daube and N. M. Deutscher and M. Diao and J. W. Elkins and C. Gerbig and E. Gottlieb and D. W. T. Griffith and D. F. Hurst and R. Jim\'enez and G. Keppel-Aleks and E. A. Kort and R. Macatangay and T. Machida and H. Matsueda and F. Moore and I. Morino and S. Park and J. Robinson and C. M. Roehl and Y. Sawa and V. Sherlock and C. Sweeney and T. Tanaka and M. A. Zondlo",
  title = "Calibration of the Total Carbon Column Observing Network using aircraft profile data",
  year = 2010,
  journal = "Atmospheric Measurement Techniques",
  volume = 3,
  number = 5,
  pages = "1351-1362",
  month = "Oct",
  keywords = "CO, 13CO, C17O, C18O, CO2, O13CO, O13C18O, OC18O, OC17O, H2O, HDO, H218O, H217O, N2O, N15NO, 15NNO, N218O, N217O",
  doi = "10.5194/amt-3-1351-2010",
  url = "https://www.atmos-meas-tech.net/3/1351/2010/"
}
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