MARCUS Ice Nucleating Particle Measurements (revised 7/2020)
These data list ice nucleating particle (INP) number concentrations active in the immersion freezing mode. Aerosol filters were collected during 4 voyages of the Aurora Australis vessel from 02 November 2017 to 22 March 2018, as part of the Measurements of Aerosols, Radiation and Clouds over the Sou...
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ftosti:oai:osti.gov:1638968 2023-07-30T03:59:18+02:00 MARCUS Ice Nucleating Particle Measurements (revised 7/2020) DeMott, Paul Hill, Thomas McFarquhar, Greg 2020-07-28 application/pdf http://www.osti.gov/servlets/purl/1638968 https://www.osti.gov/biblio/1638968 https://doi.org/10.5439/1638968 unknown http://www.osti.gov/servlets/purl/1638968 https://www.osti.gov/biblio/1638968 https://doi.org/10.5439/1638968 doi:10.5439/1638968 54 Environmental Sciences 2020 ftosti https://doi.org/10.5439/1638968 2023-07-11T09:44:07Z These data list ice nucleating particle (INP) number concentrations active in the immersion freezing mode. Aerosol filters were collected during 4 voyages of the Aurora Australis vessel from 02 November 2017 to 22 March 2018, as part of the Measurements of Aerosols, Radiation and Clouds over the Southern Ocean (MARCUS) study. These voyages transected the Southern Ocean from Hobart, Tasmania to four Australian Antarctic Division stations, including three in Antarctica. Collections were made over alternating periods of 24 and 48 hours using open-faced polycarbonate filters that were approximately 18 m MSL, sited near the AOS trailer and other AMF measurements. The volume of air filtered ranged from 19000 to 38000 standard liters per filter sample. Filters were stored and returned frozen to Colorado State University (CSU), where immersion freezing measurements over a range from 0 to -28 degC were made using the CSU Ice Spectrometer (IS). Collected particles from each filter were resuspended in filtered, deionized water, and then dispensed into the IS and cooled to obtain cumulative INP temperature spectra. Aliquots of suspensions from selected samples were also heat treated (95 degC for 20 min) to denature and deactivate biological INPs, and digested in 10% H2O2 at 95 degC under UV-B for 20 min to remove all organic carbon INPs, prior to measurement using the IS. Other/Unknown Material Antarc* Antarctic Antarctica aurora australis Australian Antarctic Division Southern Ocean SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) Antarctic Southern Ocean |
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SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) |
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54 Environmental Sciences |
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54 Environmental Sciences DeMott, Paul Hill, Thomas McFarquhar, Greg MARCUS Ice Nucleating Particle Measurements (revised 7/2020) |
topic_facet |
54 Environmental Sciences |
description |
These data list ice nucleating particle (INP) number concentrations active in the immersion freezing mode. Aerosol filters were collected during 4 voyages of the Aurora Australis vessel from 02 November 2017 to 22 March 2018, as part of the Measurements of Aerosols, Radiation and Clouds over the Southern Ocean (MARCUS) study. These voyages transected the Southern Ocean from Hobart, Tasmania to four Australian Antarctic Division stations, including three in Antarctica. Collections were made over alternating periods of 24 and 48 hours using open-faced polycarbonate filters that were approximately 18 m MSL, sited near the AOS trailer and other AMF measurements. The volume of air filtered ranged from 19000 to 38000 standard liters per filter sample. Filters were stored and returned frozen to Colorado State University (CSU), where immersion freezing measurements over a range from 0 to -28 degC were made using the CSU Ice Spectrometer (IS). Collected particles from each filter were resuspended in filtered, deionized water, and then dispensed into the IS and cooled to obtain cumulative INP temperature spectra. Aliquots of suspensions from selected samples were also heat treated (95 degC for 20 min) to denature and deactivate biological INPs, and digested in 10% H2O2 at 95 degC under UV-B for 20 min to remove all organic carbon INPs, prior to measurement using the IS. |
author |
DeMott, Paul Hill, Thomas McFarquhar, Greg |
author_facet |
DeMott, Paul Hill, Thomas McFarquhar, Greg |
author_sort |
DeMott, Paul |
title |
MARCUS Ice Nucleating Particle Measurements (revised 7/2020) |
title_short |
MARCUS Ice Nucleating Particle Measurements (revised 7/2020) |
title_full |
MARCUS Ice Nucleating Particle Measurements (revised 7/2020) |
title_fullStr |
MARCUS Ice Nucleating Particle Measurements (revised 7/2020) |
title_full_unstemmed |
MARCUS Ice Nucleating Particle Measurements (revised 7/2020) |
title_sort |
marcus ice nucleating particle measurements (revised 7/2020) |
publishDate |
2020 |
url |
http://www.osti.gov/servlets/purl/1638968 https://www.osti.gov/biblio/1638968 https://doi.org/10.5439/1638968 |
geographic |
Antarctic Southern Ocean |
geographic_facet |
Antarctic Southern Ocean |
genre |
Antarc* Antarctic Antarctica aurora australis Australian Antarctic Division Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica aurora australis Australian Antarctic Division Southern Ocean |
op_relation |
http://www.osti.gov/servlets/purl/1638968 https://www.osti.gov/biblio/1638968 https://doi.org/10.5439/1638968 doi:10.5439/1638968 |
op_doi |
https://doi.org/10.5439/1638968 |
_version_ |
1772810054591840256 |