Characterizing atmospheric humidity in Eastern Europe during the last two decades by using GNSS-derived integrated water vapourPost, Piia; Rannat, Kalev; Keernik, Hannes[EUREF2019 abstracts]2019 / p. [47] http://www.maaamet.ee/euref2019/EUREF2019-Abstracts.pdf European aerosol phenomenology − 8 : harmonised source apportionment of organic aerosol using 22 year-long ACSM/AMS datasetsChen, Gang; Canonaco, Francesco; Tobler, Anna; Aas, Wenche; Alastuey, Andres; Allan, James; Atabakhsh, Samira; Aurela, Minna; Baltensperger, Urs; Keernik, HannesEnvironment international2022 / 18 p. : ill https://doi.org/10.1016/j.envint.2022.107325 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Intercomparison and characterization of 23 Aethalometers under laboratory and ambient air conditions : procedures and unit-to-unit variabilitiesCuesta-Mosquera, Andrea; Močnik, Griša; Drinovec, Luka; Müller, Thomas; Cruz Minguillon, Maria; Briel, Björn; Buckley, Paul; Dudoitis, Vadimas; Keernik, HannesAtmospheric measurement techniques2021 / p. 3195-3216 https://doi.org/10.5194/amt-14-3195-2021 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS The novel Copernicus Global dataset of atmospheric total water vapour content with related uncertainties from GNSS observationsRannat, Kalev; Keernik, Hannes; Madonna, FabioRemote Sensing2023 / art. 5150 https://doi.org/10.3390/rs15215150 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS On the Kalman smoother interpolation error distribution in collocation comparison of atmospheric profilesFassò, Alessandro; Keernik, Hannes; Rannat, KalevAxioms2023 / 16 p. https://doi.org/10.3390/axioms12100902 Rolling vs. seasonal PMF : real-world multi-site and synthetic dataset comparisonVia, Marta; Chen, Gang; Canonaco, Francesco; Daellenbach, K. R.; Chazeau, Benjamin; Chebaicheb, Hasna; Jiang, J.; Keernik, Hannes; Lin, C.; Marchand, NicolasAtmospheric measurement techniques2022 / p. 5479-5495 https://doi.org/10.5194/amt-15-5479-2022 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Sea-effect snowfall case in the Baltic Sea region analysed by reanalysis, remote sensing data and convection-permitting mesoscale modellingRannat, Kalev; Keernik, Hannes; Olsson, Taru; Post, Piia; Perttula, Tuuli; Kivi, Rigel; Voormansik, TanelGeophysica2018 / p. 65–91 : ill http://www.geophysica.fi/pdf/geophysica_2018_53_olsson.pdf Journal metrics at Scopus Article at Scopus