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Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition.


ABSTRACT: Cloud condensation nuclei (CCN) number concentrations alongside with submicrometer particle number size distributions and particle chemical composition have been measured at atmospheric observatories of the Aerosols, Clouds, and Trace gases Research InfraStructure (ACTRIS) as well as other international sites over multiple years. Here, harmonized data records from 11 observatories are summarized, spanning 98,677 instrument hours for CCN data, 157,880 for particle number size distributions, and 70,817 for chemical composition data. The observatories represent nine different environments, e.g., Arctic, Atlantic, Pacific and Mediterranean maritime, boreal forest, or high alpine atmospheric conditions. This is a unique collection of aerosol particle properties most relevant for studying aerosol-cloud interactions which constitute the largest uncertainty in anthropogenic radiative forcing of the climate. The dataset is appropriate for comprehensive aerosol characterization (e.g., closure studies of CCN), model-measurement intercomparison and satellite retrieval method evaluation, among others. Data have been acquired and processed following international recommendations for quality assurance and have undergone multiple stages of quality assessment.

SUBMITTER: Schmale J 

PROVIDER: S-EPMC5349251 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition.

Schmale Julia J   Henning Silvia S   Henzing Bas B   Keskinen Helmi H   Sellegri Karine K   Ovadnevaite Jurgita J   Bougiatioti Aikaterini A   Kalivitis Nikos N   Stavroulas Iasonas I   Jefferson Anne A   Park Minsu M   Schlag Patrick P   Kristensson Adam A   Iwamoto Yoko Y   Pringle Kirsty K   Reddington Carly C   Aalto Pasi P   Äijälä Mikko M   Baltensperger Urs U   Bialek Jakub J   Birmili Wolfram W   Bukowiecki Nicolas N   Ehn Mikael M   Fjæraa Ann Mari AM   Fiebig Markus M   Frank Göran G   Fröhlich Roman R   Frumau Arnoud A   Furuya Masaki M   Hammer Emanuel E   Heikkinen Liine L   Herrmann Erik E   Holzinger Rupert R   Hyono Hiroyuki H   Kanakidou Maria M   Kiendler-Scharr Astrid A   Kinouchi Kento K   Kos Gerard G   Kulmala Markku M   Mihalopoulos Nikolaos N   Motos Ghislain G   Nenes Athanasios A   O'Dowd Colin C   Paramonov Mikhail M   Petäjä Tuukka T   Picard David D   Poulain Laurent L   Prévôt André Stephan Henry AS   Slowik Jay J   Sonntag Andre A   Swietlicki Erik E   Svenningsson Birgitta B   Tsurumaru Hiroshi H   Wiedensohler Alfred A   Wittbom Cerina C   Ogren John A JA   Matsuki Atsushi A   Yum Seong Soo SS   Myhre Cathrine Lund CL   Carslaw Ken K   Stratmann Frank F   Gysel Martin M  

Scientific data 20170314


Cloud condensation nuclei (CCN) number concentrations alongside with submicrometer particle number size distributions and particle chemical composition have been measured at atmospheric observatories of the Aerosols, Clouds, and Trace gases Research InfraStructure (ACTRIS) as well as other international sites over multiple years. Here, harmonized data records from 11 observatories are summarized, spanning 98,677 instrument hours for CCN data, 157,880 for particle number size distributions, and 7  ...[more]

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