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  Analysis of ice-nucleating particle concentrations measured with the PINE instrument: An automated workflow

Buettner, N., Foesig, R., Vogel, F., Lacher, L., Bogert, P., Nadolny, J., Moehler, O. (2023): Analysis of ice-nucleating particle concentrations measured with the PINE instrument: An automated workflow, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-0813

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016652 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016652_1
Genre: Conference Paper

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 Creators:
Buettner, Nicole1, Author
Foesig, Romy1, Author
Vogel, Franziska1, Author
Lacher, Larissa1, Author
Bogert, Pia1, Author
Nadolny, Jens1, Author
Moehler, Ottmar1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: The PINE (Portable Ice Nucleation Experiment) instrument is a mobile cloud chamber that allows for continuous and autonomous measurements of ice-nucleating particle (INP) concentrations. PINE simulates mixed-phase cloud formation upon air mass lifting by expanding the sampled air inside the chamber via pressure reduction. It is designed for INP monitoring in ambient air but can also be used for laboratory studies. By design, the automated cycle of sampling and expanding the air within about 5 minutes results in highly time-resolved INP data. This inevitably requires a standardized and automated procedure to process the data allowing direct comparisons between different instruments and measurement sites.<br<brWe developed a software package for automated data analysis to complete PINE’s workflow. The software package processes the raw data to Level 1 (time series of INP concentrations) and to Level 2 (temperature spectra of INP concentrations) data, provides the results in standardized formats including suitable metadata, and creates overview plots. The package includes two special modules: (1) for the automated data quality control and flagging in compliance with community standards e.g. ACTRIS (Aerosol, Clouds and Trace Gases Research Infrastructure) and (2) to distinguish the target ice crystals from aerosol particles and cloud droplets detected by an optical particle counter (OPC).<brUsing this software package we are able to process the data in near real-time and visualize the results in our PINE community portal. In total the portal already contains data of more than 1000 measurement days at six locations since 2020.

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Language(s): eng - English
 Dates: 2023
 Publication Status: Finally published
 Pages: -
 Publishing info: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-0813
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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