Regions of open water and melting sea ice drive new particle formation in North East Greenland

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Regions of open water and melting sea ice drive new particle formation in North East Greenland. / Dall'Osto, M.; Geels, C.; Beddows, D. C. S.; Boertmann, D.; Lange, R.; Nojgaard, J. K.; Harrison, Roy. M.; Simo, R.; Skov, H.; Massling, A.

I: Scientific Reports, Bind 8, 6109, 17.04.2018.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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Dall'Osto, M. ; Geels, C. ; Beddows, D. C. S. ; Boertmann, D. ; Lange, R. ; Nojgaard, J. K. ; Harrison, Roy. M. ; Simo, R. ; Skov, H. ; Massling, A. / Regions of open water and melting sea ice drive new particle formation in North East Greenland. I: Scientific Reports. 2018 ; Bind 8.

Bibtex

@article{7acf7ff5d52b4553ac7cf0ecc5d896e5,
title = "Regions of open water and melting sea ice drive new particle formation in North East Greenland",
abstract = "Atmospheric new particle formation (NPF) and growth significantly influences the indirect aerosol-cloud effect within the polar climate system. In this work, the aerosol population is categorised via cluster analysis of aerosol number size distributions (9-915 nm, 65 bins) taken at Villum Research Station, Station Nord (VRS) in North Greenland during a 7 year record (2010-2016). Data are clustered at daily averaged resolution; in total, we classified six categories, five of which clearly describe the ultrafine aerosol population, one of which is linked to nucleation events (up to 39% during summer). Air mass trajectory analyses tie these frequent nucleation events to biogenic precursors released by open water and melting sea ice regions. NPF events in the studied regions seem not to be related to bird colonies from coastal zones. Our results show a negative correlation (r = -0.89) between NPF events and sea ice extent, suggesting the impact of ultrafine Arctic aerosols is likely to increase in the future, given the likely increased sea ice melting. Understanding the composition and the sources of Arctic aerosols requires further integrated studies with joint multi-component ocean-atmosphere observation and modelling.",
keywords = "AEROSOL-SIZE DISTRIBUTIONS, AMMONIA EMISSIONS, ARCTIC AEROSOL, SPATIAL-DISTRIBUTION, NUMBER CONCENTRATION, ALBEDO RETRIEVAL, MARINE MICROGELS, CLIMATE-CHANGE, POND FRACTION, STATION NORD",
author = "M. Dall'Osto and C. Geels and Beddows, {D. C. S.} and D. Boertmann and R. Lange and Nojgaard, {J. K.} and Harrison, {Roy. M.} and R. Simo and H. Skov and A. Massling",
year = "2018",
month = apr,
day = "17",
doi = "10.1038/s41598-018-24426-8",
language = "English",
volume = "8",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",

}

RIS

TY - JOUR

T1 - Regions of open water and melting sea ice drive new particle formation in North East Greenland

AU - Dall'Osto, M.

AU - Geels, C.

AU - Beddows, D. C. S.

AU - Boertmann, D.

AU - Lange, R.

AU - Nojgaard, J. K.

AU - Harrison, Roy. M.

AU - Simo, R.

AU - Skov, H.

AU - Massling, A.

PY - 2018/4/17

Y1 - 2018/4/17

N2 - Atmospheric new particle formation (NPF) and growth significantly influences the indirect aerosol-cloud effect within the polar climate system. In this work, the aerosol population is categorised via cluster analysis of aerosol number size distributions (9-915 nm, 65 bins) taken at Villum Research Station, Station Nord (VRS) in North Greenland during a 7 year record (2010-2016). Data are clustered at daily averaged resolution; in total, we classified six categories, five of which clearly describe the ultrafine aerosol population, one of which is linked to nucleation events (up to 39% during summer). Air mass trajectory analyses tie these frequent nucleation events to biogenic precursors released by open water and melting sea ice regions. NPF events in the studied regions seem not to be related to bird colonies from coastal zones. Our results show a negative correlation (r = -0.89) between NPF events and sea ice extent, suggesting the impact of ultrafine Arctic aerosols is likely to increase in the future, given the likely increased sea ice melting. Understanding the composition and the sources of Arctic aerosols requires further integrated studies with joint multi-component ocean-atmosphere observation and modelling.

AB - Atmospheric new particle formation (NPF) and growth significantly influences the indirect aerosol-cloud effect within the polar climate system. In this work, the aerosol population is categorised via cluster analysis of aerosol number size distributions (9-915 nm, 65 bins) taken at Villum Research Station, Station Nord (VRS) in North Greenland during a 7 year record (2010-2016). Data are clustered at daily averaged resolution; in total, we classified six categories, five of which clearly describe the ultrafine aerosol population, one of which is linked to nucleation events (up to 39% during summer). Air mass trajectory analyses tie these frequent nucleation events to biogenic precursors released by open water and melting sea ice regions. NPF events in the studied regions seem not to be related to bird colonies from coastal zones. Our results show a negative correlation (r = -0.89) between NPF events and sea ice extent, suggesting the impact of ultrafine Arctic aerosols is likely to increase in the future, given the likely increased sea ice melting. Understanding the composition and the sources of Arctic aerosols requires further integrated studies with joint multi-component ocean-atmosphere observation and modelling.

KW - AEROSOL-SIZE DISTRIBUTIONS

KW - AMMONIA EMISSIONS

KW - ARCTIC AEROSOL

KW - SPATIAL-DISTRIBUTION

KW - NUMBER CONCENTRATION

KW - ALBEDO RETRIEVAL

KW - MARINE MICROGELS

KW - CLIMATE-CHANGE

KW - POND FRACTION

KW - STATION NORD

U2 - 10.1038/s41598-018-24426-8

DO - 10.1038/s41598-018-24426-8

M3 - Journal article

C2 - 29666448

VL - 8

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

M1 - 6109

ER -