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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Publication Date 2017-08-11T00:00:00
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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 . (2017). Intercomparison of atmospheric water vapour measurements at a Canadian High Arctic site. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7tm7dmg. Accessed 19 January 2026.

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