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T1  - Features in air ions measured by an air ion spectrometer (AIS) at Dome C 
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UR  - http://hdl.handle.net/10138/228956 
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A1  - Chen, Xuemeng; Virkkula, Aki; Kerminen, Veli-Matti; Manninen, Hanna E.; Busetto, Maurizio; Lanconelli, Christian; Lupi, Angelo; Vitale, Vito; Del Guasta, Massimo; Grigioni, Paolo; Väänänen, Riikka; Duplissy, Ella-Maria; Petäjä, Tuukka; Kulmala, Markku 
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PB  -  
Y1  - 2017 
LA  - eng 
AB  - An air ion spectrometer (AIS) was deployed for the first time at the Concordia station at Dome C (75 degrees 06'S, 123 degrees 23'E; 3220 ma.s.l.), Antarctica during the period 22 December 2010-16 November 2011 for measuring the number size distribution of air ions. In this work, we present results obtained from this air ion data set together with aerosol particle and meteorological data. The main processes that modify the number size distribution of air ions during the measurement period at thi... 
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KW  - NUCLEATION MODE PARTICLES; AEROSOL-SIZE DISTRIBUTIONS; CLOUD CONDENSATION NUCLEI; ARCTIC BACKGROUND SITE; ATMOSPHERIC AEROSOLS; BOREAL FOREST; INTERMEDIATE IONS; FORMATION EVENTS; GROWTH-RATES; CHEMICAL-COMPOSITION; 114 Physical sciences 
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