Intercomparison of atmospheric water vapour measurements at a Canadian High Arctic site

Water vapour is a critical component of the Earth system. Techniques to acquire and improve measurements of atmospheric water vapour and its isotopes are under active development. This work presents a detailed intercomparison of water vapour total column measurements taken between 2006 and 2014 at a Canadian High Arctic research site (Eureka, Nunavut). Instruments include radiosondes, sun photometers, a microwave radiometer, and emission and solar absorption Fourier transform infrared (FTIR) spectrometers. Close agreement is observed between all combination of datasets, with mean differences = 0.98. The one exception in the observed high correlation is the comparison between the microwave radiometer and a radiosonde product, which had a correlation coefficient of 0.92.

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Related Dataset #1 : The Ground-Based Musica Dataset: Tropospheric Water Vapour Isotopologues (H216O, H218O And Hd16O) As Obtained From Ndacc/Ftir Solar Absorption Spectra
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Copyright Author(s) 2017. This work is distributed under the Creative Commons Attribution 3.0 License
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Author Weaver, D.
Strong, K.
Schneider, M.
Rowe, P. M.
Sioris, C.
Walker, K. A.
Mariani, Z.
Uttal, T.
McElroy, C. T.
Vömel, Holger
Spassiani, A.
Drummond, J. R.
Publisher UCAR/NCAR - Library
Publication Date 2017-08-11T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2025-07-11T19:46:59.408949
Metadata Record Identifier edu.ucar.opensky::articles:20961
Metadata Language eng; USA
Suggested Citation Weaver, D., Strong, K., Schneider, M., Rowe, P. M., Sioris, C., Walker, K. A., Mariani, Z., Uttal, T., McElroy, C. T., Vömel, Holger, Spassiani, A., Drummond, J. R.. (2017). Intercomparison of atmospheric water vapour measurements at a Canadian High Arctic site. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7tm7dmg. Accessed 08 November 2025.

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