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Data for Measurement report: Ion clusters as indicator for local new particle formation. There are two files, negative_ion_concentrations.csv and positive_ion_concentrations.csv. The former (latter) includes absolute number concentrations for 1.87, 2.16, 2.49, and 2.88 nm negative (positive) ions. The unit for these concentrations is #/cm-3. Contact Santeri Tuovinen (santeri.tuovinen@helsinki.fi) for more details.
Atmospheric ions, SMEAR II, New particle formation, Number concentration
Atmospheric ions, SMEAR II, New particle formation, Number concentration
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