MOSAiC-Colorado State University Ice Spectrometer
This data set contains atmospheric ice nucleating particle (INP) measurements, using Colorado State University’s (CSU) Ice Spectrometer (IS), of filter collections taken at the U.S. DOE ARM AMF2 site onboard the R/V Polarstern P-deck during the Multidisciplinary Drifting Observatory for the Study of...
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ftosti:oai:osti.gov:1804484 2023-07-30T04:02:06+02:00 MOSAiC-Colorado State University Ice Spectrometer Hill, Thomas DeMott, Paul Creamean, Jessie 2021-07-05 application/pdf http://www.osti.gov/servlets/purl/1804484 https://www.osti.gov/biblio/1804484 https://doi.org/10.5439/1804484 unknown http://www.osti.gov/servlets/purl/1804484 https://www.osti.gov/biblio/1804484 https://doi.org/10.5439/1804484 doi:10.5439/1804484 54 Environmental Sciences 2021 ftosti https://doi.org/10.5439/1804484 2023-07-11T10:05:04Z This data set contains atmospheric ice nucleating particle (INP) measurements, using Colorado State University’s (CSU) Ice Spectrometer (IS), of filter collections taken at the U.S. DOE ARM AMF2 site onboard the R/V Polarstern P-deck during the Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) field campaign. Samples were collected from October 27, 2019 to September 24, 2020. A filter sampler was mounted approximately 15 m above ground level on a railing in proximity to (and approximately 3 m below) the Aerosol Observation System (AOS) inlet. Single-use filter units open to the atmosphere were pre-cleaned and pre-loaded with 47-mm diameter Nuclepore polycarbonate (0.2 µm pore-diameter) filters. Filters were typically drawn for a three-day period, with an average volume of air filtered of 87,000 standard liters. Total volumes were calculated through recorded daily flow rates using a mass flow meter (TSI). After collection, filters were stored and transported frozen until analysis using CSU’s IS instrument (McCluskey et al., 2018). Aerosol particles were first re-suspended in 8 mL of 0.1 µm-filtered deionized (DI) water. Aliquots of each suspension, and corresponding 11-fold dilutions, were dispensed into polymerase chain reaction (PCR) trays and placed into the aluminum blocks of the IS. Samples were cooled at approximately 0.33 °C min-1 and freezing detected optically with corresponding temperatures recorded. Cumulative INP concentrations were determined through calculating the number of INPs per mL of suspension (Vali, 1971) and converting to concentration per standard L of air by accounting for the proportion of liquid used and volume of air collected. All samples were corrected for the number of INPs on the average of four field blanks (cleaned, handled, transported, and analyzed in the same way without air flow). Two-tailed, 95% confidence intervals for binomial sampling are provided (Agresti and Coull, 1998). Select samples were also heat treated (95 °C for 20 min) to denature ... Other/Unknown Material Arctic SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) Arctic |
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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 Hill, Thomas DeMott, Paul Creamean, Jessie MOSAiC-Colorado State University Ice Spectrometer |
topic_facet |
54 Environmental Sciences |
description |
This data set contains atmospheric ice nucleating particle (INP) measurements, using Colorado State University’s (CSU) Ice Spectrometer (IS), of filter collections taken at the U.S. DOE ARM AMF2 site onboard the R/V Polarstern P-deck during the Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) field campaign. Samples were collected from October 27, 2019 to September 24, 2020. A filter sampler was mounted approximately 15 m above ground level on a railing in proximity to (and approximately 3 m below) the Aerosol Observation System (AOS) inlet. Single-use filter units open to the atmosphere were pre-cleaned and pre-loaded with 47-mm diameter Nuclepore polycarbonate (0.2 µm pore-diameter) filters. Filters were typically drawn for a three-day period, with an average volume of air filtered of 87,000 standard liters. Total volumes were calculated through recorded daily flow rates using a mass flow meter (TSI). After collection, filters were stored and transported frozen until analysis using CSU’s IS instrument (McCluskey et al., 2018). Aerosol particles were first re-suspended in 8 mL of 0.1 µm-filtered deionized (DI) water. Aliquots of each suspension, and corresponding 11-fold dilutions, were dispensed into polymerase chain reaction (PCR) trays and placed into the aluminum blocks of the IS. Samples were cooled at approximately 0.33 °C min-1 and freezing detected optically with corresponding temperatures recorded. Cumulative INP concentrations were determined through calculating the number of INPs per mL of suspension (Vali, 1971) and converting to concentration per standard L of air by accounting for the proportion of liquid used and volume of air collected. All samples were corrected for the number of INPs on the average of four field blanks (cleaned, handled, transported, and analyzed in the same way without air flow). Two-tailed, 95% confidence intervals for binomial sampling are provided (Agresti and Coull, 1998). Select samples were also heat treated (95 °C for 20 min) to denature ... |
author |
Hill, Thomas DeMott, Paul Creamean, Jessie |
author_facet |
Hill, Thomas DeMott, Paul Creamean, Jessie |
author_sort |
Hill, Thomas |
title |
MOSAiC-Colorado State University Ice Spectrometer |
title_short |
MOSAiC-Colorado State University Ice Spectrometer |
title_full |
MOSAiC-Colorado State University Ice Spectrometer |
title_fullStr |
MOSAiC-Colorado State University Ice Spectrometer |
title_full_unstemmed |
MOSAiC-Colorado State University Ice Spectrometer |
title_sort |
mosaic-colorado state university ice spectrometer |
publishDate |
2021 |
url |
http://www.osti.gov/servlets/purl/1804484 https://www.osti.gov/biblio/1804484 https://doi.org/10.5439/1804484 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
http://www.osti.gov/servlets/purl/1804484 https://www.osti.gov/biblio/1804484 https://doi.org/10.5439/1804484 doi:10.5439/1804484 |
op_doi |
https://doi.org/10.5439/1804484 |
_version_ |
1772812816654270464 |