Articles | Volume 9, issue 1
Atmos. Meas. Tech., 9, 79–92, 2016
https://doi.org/10.5194/amt-9-79-2016

Special issue: Advanced Global Navigation Satellite Systems tropospheric...

Atmos. Meas. Tech., 9, 79–92, 2016
https://doi.org/10.5194/amt-9-79-2016

Research article 18 Jan 2016

Research article | 18 Jan 2016

The uncertainty of the atmospheric integrated water vapour estimated from GNSS observations

T. Ning et al.

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Cited articles

Bevis, M., Businger, S., Herring, T., Rocken, C., Anthes, R., and Wave, R.: GPS meteorology: remote sensing of atmospheric water vapor using the global positioning system, J. Geophys. Res., 97, 787–801, https://doi.org/10.1029/92JD01517, 1992.
Bevis, M., Chiswell, S., Herring, T. A., Anthes, R. A., Rocken, C., and Ware, R. H.: GPS meteorology: Mapping zenith wet delays onto precipitable water, J. Appl. Meteorol., 33, 379–386, https://doi.org/10.1175/1520-0450(1994)033<0379:GMMZWD>2.0.CO;2, 1994.
Boehm, J., Werl, B., and Schuh, H.: Troposphere mapping functions for GPS and very long baseline interferometry from European Centre for Medium-Range Weather Forecasts operational analysis data, J. Geophys. Res., 111, B02406, https://doi.org/10.1029/2005JB003629, 2006.
Byun, S. and Bar-Sever, Y.: A new type of troposphere zenith path delay product of the international GNSS service, J. Geod., 83, 367–373, https://doi.org/10.1007/s00190-008-0288-8, 2009.
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Short summary
Integrated water vapour (IWV) obtained from GNSS is to be developed into a GRUAN data product. In addition to the actual measurement, this data product needs to provide an estimate of the measurement uncertainty at the same time resolution as the actual measurement. The method developed in the paper fulfils the requirement by assigning a specific uncertainty to each data point. The method is also valuable for all applications of GNSS IWV data in atmospheric research and weather forecast.