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Results of the first air ion spectrometer calibration and intercomparison workshop
first air ion spectrometer calibration intercomparison workshop
2009/3/12
The Air Ion Spectrometer (AIS) measures mobility and size distributions of atmospheric ions. The Neutral cluster and Air Ion Spectrometer (NAIS) can additionally measure neutral particles. The number ...
Ambient sesquiterpene concentration and its link to air ion measurements
sesquiterpene air ion
2008/12/11
Ambient air ion size distributions have been measured continuously at the Finnish boreal forest site in Hyytiälä since spring 2003. In general, these measurements show a maximum of air ions ...
Variation and balance of positive air ion concentrations in a boreal forest
Variation balance positive air ion concentrations boreal forest
2008/10/29
Air ions are characterized on the basis of measurements carried out in a boreal forest at the Hyytiälä SMEAR station, Finland, during the BIOFOR III campaign in spring 1999. The air ions wer...