the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Long-term measurement of sub-3 nm particles and their precursor gases in the boreal forest
Nina Sarnela
Jenni Kontkanen
Lauri Ahonen
Pauli Paasonen
Tiia Laurila
Tuija Jokinen
Juha Kangasluoma
Heikki Junninen
Mikko Sipilä
Tuukka Petäjä
Markku Kulmala
Katrianne Lehtipalo
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We present a novel version of an aerosol number size distribution instrument, showcasing its capability to measure particle number concentration and particle number size distribution between 1 and 12 nm. Our results show that the instrument agrees well with existing instrumentation and allows for both the accurate measurement of the smallest particles and overlap with more conventional aerosol number size distribution instruments.
We present a novel version of an aerosol number size distribution instrument, showcasing its capability to measure particle number concentration and particle number size distribution between 1 and 12 nm. Our results show that the instrument agrees well with existing instrumentation and allows for both the accurate measurement of the smallest particles and overlap with more conventional aerosol number size distribution instruments.
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Clouds over the Southern Ocean are crucial to Earth's energy balance, but understanding the factors that control them is complex. Our research examines how weather patterns affect tiny particles called cloud condensation nuclei (CCN), which influence cloud properties. Using data from Kennaook / Cape Grim, we found that winter air from Antarctica brings cleaner conditions with lower CCN, while summer patterns from Australia transport more particles. Precipitation also helps reduce CCN in winter.