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

Column water vapour : an intertechnique comparison of estimation methods in EstoniaKeernik, Hannes; Ohvril, Hanno; Jakobson, Erko; Rannat, Kalev; Luhamaa, AndresProceedings of the Estonian Academy of Sciences2014 / p. 37-47 : ill https://artiklid.elnet.ee/record=b2665209*est https://doi.org/10.3176/proc.2014.1.07 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

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

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

Source apportionment and modelling study of particulate matter from the key sources in TartuMaasikmets, Marek; Teinemaa, Erik; Keernik, Hannes; Kupri, Hanna-Lii20th International Scientific Conference EcoBalt 2016 : Tartu, Estonia, October 9-12 : book of abstracts2016 / p. 25 http://akki.ut.ee/wp-content/uploads/2015/01/Abstracts_Book_EcoBalt_2016.pdf

Õhusamba niiskussisalduse erinevate määramisviiside võrdlusKeernik, Hannes; Ohvril, Hanno; Jakobson, Erko; Rannat, Kalev; Luhamaa, AndresUurimusi Eesti kliimast = Studies on climate of Estonia2011 / lk. 179-194 : ill