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Quality assessment of integrated water vapour measurements at the St. Petersburg site, Russia: FTIR vs. MW and GPS techniques

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dc.contributor.author Virolainen Y.
dc.contributor.author Timofeyev Y.
dc.contributor.author Kostsov V.
dc.contributor.author Ionov D.
dc.contributor.author Kalinnikov V.
dc.contributor.author Makarova M.
dc.contributor.author Poberovsky A.
dc.contributor.author Zaitsev N.
dc.contributor.author Imhasin H.
dc.contributor.author Polyakov A.
dc.contributor.author Schneider M.
dc.contributor.author Hase F.
dc.contributor.author Barthlott S.
dc.contributor.author Blumenstock T.
dc.date.accessioned 2018-04-05T07:10:09Z
dc.date.available 2018-04-05T07:10:09Z
dc.date.issued 2017
dc.identifier.issn 1867-1381
dc.identifier.uri http://dspace.kpfu.ru/xmlui/handle/net/130241
dc.description.abstract The cross-comparison of different techniques for atmospheric integrated water vapour (IWV) measurements is the essential part of their quality assessment protocol. We inter-compare the synchronised data sets of IWV values measured by the Bruker 125 HR Fourier-transform infrared spectrometer (FTIR), RPG-HATPRO microwave radiometer (MW), and Novatel ProPak-V3 global navigation satellite system receiver (GPS) at the St. Petersburg site between August 2014 and October 2016. As the result of accurate spatial and temporal matching of different IWV measurements, all three techniques agree well with each other except for small IWV values. We show that GPS and MW data quality depends on the atmospheric conditions; in dry atmosphere (IWV smaller than 6mm), these techniques are less reliable at the St. Petersburg site than the FTIR method. We evaluate the upper bound of statistical measurement errors for clear-sky conditions as 0.29±0.02mm (1.6±0.3%), 0.55±0.02mm (4.7±0.4%), and 0.76±0.04mm (6.3±0.8%) for FTIR, GPS, and MW methods, respectively. We propose the use of FTIR as a reference method under clear-sky conditions since it is reliable on all scales of IWV variability.
dc.relation.ispartofseries Atmospheric Measurement Techniques
dc.title Quality assessment of integrated water vapour measurements at the St. Petersburg site, Russia: FTIR vs. MW and GPS techniques
dc.type Article
dc.relation.ispartofseries-issue 11
dc.relation.ispartofseries-volume 10
dc.collection Публикации сотрудников КФУ
dc.relation.startpage 4521
dc.source.id SCOPUS18671381-2017-10-11-SID85034953006


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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