Citation:

PANGAEA.993546 (DOI registration in progress)

Name: Airborne in-situ measurements of aerosol particle number size distributions during the BACSAM II campaign in April 2024
Published: 2026-04-14
License: https://creativecommons.org/licenses/by/4.0/
Keywords: aerosol; airborne; Arctic; Particle Number Size Distribution (PNSD); Polar 6

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Published: 2026-04-14

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Abstract:

During the airborne measurement campaign "Boundary layer and Aerosol and Cloud Study in the Arctic, based on aircraft and T-Bird Measurements II" (BACSAM II), aerosol particle number size distributions (PNSDs) were measured utilizing a Mobility Particle Size Spectrometer (MPSS, custom-built by the Leibniz Institute for Tropospheric Research; Wiedensohler et al., 2012). The flights were carried out with the research aircraft Polar 6 (Wesche et al., 2016) of the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research. The corresponding flight paths are available on PANGAEA for all research flights of the BACSAM II campaign (Jurányi et al., 2024).

The MPSS measures the PNSDs with a time resolution of about 5 min based on the electric mobility diameter of the aerosol particles in the size range from 10 nm to 850 nm. PNSDs (dN/dlogDp) are provided in units of #/ccm in 40 size bins. For each of the size bins, the geometric mean diameter is given in the header of the data file for each column. Additionally, mean altitude and geographical position during the measurement interval are reported. Near-isokinetic sampling was established throughout the flights and all reported particle diameters refer to dry conditions (Jurányi et al., 2025). All data have been corrected to standard conditions (1013.0 hPa and 273.15 K). Measurements during taxing, take-off, and landing have been excluded from the dataset since, for these times, erroneous measurements due to potential sampling of aircraft exhaust cannot be ruled out.

Keyword(s):

aerosol; airborne; Arctic; Particle Number Size Distribution (PNSD); Polar 6

Related to:

Jurányi, Zsófia; Stratmann, Frank; Herber, Andreas; Wendisch, Manfred; Borrmann, Stephan (2024): Master tracks in different resolutions during POLAR 6 campaign P6-247_BACSAM2_2024 [dataset publication series]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.971763

References:

Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung (2016): Polar aircraft Polar5 and Polar6 operated by the Alfred Wegener Institute. Journal of large-scale research facilities JLSRF, 2, A87, https://doi.org/10.17815/jlsrf-2-153

Jurányi, Zsófia; Lüpkes, Christof; Stratmann, Frank; Hartmann, Jörg; Schaefer, Jonas; Jörss, Anna-Marie; Schulz, Alexander; Wetzel, Bruno; Simon, David J; Gebhard, Eduard; Stöhr, Maximilian; Hofmann, Paula; Kalmbach, Dirk; Grawe, Sarah; Herber, Andreas (in press): The T-Bird – A new aircraft-towed instrument platform to measure turbulence and aerosol properties close to the surface: Introduction to the aerosol measurement system. EGUsphere, https://doi.org/10.5194/egusphere-2025-619

Wiedensohler, Alfred; Birmili, Wolfram; Nowak, Aga; Sonntag, A; Weinhold, Kay; Merkel, M; Wehner, Birgit; Tuch, Thomas; Pfeifer, S; Fiebig, Markus; Fjäraa, A M; Asmi, Eija; Sellegri, Karine; Depuy, R; Venzac, H; Villani, P; Laj, Paolo; Aalto, Pasi; Ogren, John A; Swietlicki, Erik; Williams, Peter; Roldin, Pontus; Quincey, P; Hüglin, Christoph; Fierz-Schmidhauser, R; Gysel, Martin; Weingartner, Ernest; Riccobono, F; Santos, S; Grüning, C; Faloon, K; Beddows, David; Harrison, R; Monahan, C; Jennings, S G; O'Dowd, C D; Marinoni, Angela; Horn, H-G; Keck, L; Jiang, Jiawei; Scheckman, J; McMurry, P H; Deng, Z; Zhao, C S; Moerman, M; Henzing, Bas; de Leeuw, Gerrit; Löschau, G; Bastian, S (2012): Mobility particle size spectrometers: harmonization of technical standards and data structure to facilitate high quality long-term observations of atmospheric particle number size distributions. Atmospheric Measurement Techniques, 5(3), 657-685, https://doi.org/10.5194/amt-5-657-2012

Project(s):

Arctic Amplification (AC3)

Funding:

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_PA_02172: P6-247_BACSAM2_2024

German Research Foundation (DFG), grant/award no. 268020496 : TRR 172: ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms

Coverage:

Median Latitude: 79.766653 * Median Longitude: 11.160236 * South-bound Latitude: 75.847538 * West-bound Longitude: -16.490960 * North-bound Latitude: 85.333883 * East-bound Longitude: 25.949313

Date/Time Start: 2024-04-07T09:02:09 * Date/Time End: 2024-04-29T13:10:42

Event(s):

P6-247_BACSAM2_2024_2404070101 * Latitude Start: 78.245952 * Longitude Start: 15.501918 * Latitude End: 78.245940 * Longitude End: 15.501973 * Date/Time Start: 2024-04-07T08:25:53 * Date/Time End: 2024-04-07T12:58:51 * Campaign: (BACSAM II) * Basis: POLAR 6 * Method/Device: Aircraft (AC)

P6-247_BACSAM2_2024_2404100201 * Latitude Start: 78.245954 * Longitude Start: 15.501972 * Latitude End: 78.245949 * Longitude End: 15.501959 * Date/Time Start: 2024-04-10T08:10:31 * Date/Time End: 2024-04-10T12:56:12 * Campaign: (BACSAM II) * Basis: POLAR 6 * Method/Device: Aircraft (AC)

P6-247_BACSAM2_2024_2404110301 * Latitude Start: 78.245964 * Longitude Start: 15.501955 * Latitude End: 78.245935 * Longitude End: 15.502002 * Date/Time Start: 2024-04-11T08:13:33 * Date/Time End: 2024-04-11T12:27:32 * Campaign: (BACSAM II) * Basis: POLAR 6 * Method/Device: Aircraft (AC)

Comment:

Acknowledgement:

We gratefully acknowledge the funding by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – Project Number 268020496 – TRR 172, within the framework of the Transregional Collaborative Research Center "ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms (AC)³, as well as the support of the Alfred-Wegener-Institute, Helmholtz Centre for Polar and Marine Research through grant number AWI_PA_02172.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Simon, David J
2	DATE/TIME	Date/Time		Simon, David J		Geocode – start
3	DATE/TIME	Date/Time		Simon, David J		Geocode – end
4	Flight altitude	Flight altitude	m	Simon, David J		in msl
5	LATITUDE	Latitude		Simon, David J		Geocode
6	LONGITUDE	Longitude		Simon, David J		Geocode
7	Log-normal particle size distribution, normalized concentration at particle diameter 10 nm	dN/dlogDp(10)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
8	Log-normal particle size distribution, normalized concentration at particle diameter 11.189 nm	dN/dlogDp(11.189)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
9	Log-normal particle size distribution, normalized concentration at particle diameter 12.52 nm	dN/dlogDp(12.52)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
10	Log-normal particle size distribution, normalized concentration at particle diameter 14.008 nm	dN/dlogDp(14.008)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
11	Log-normal particle size distribution, normalized concentration at particle diameter 15.674 nm	dN/dlogDp(15.674)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
12	Log-normal particle size distribution, normalized concentration at particle diameter 17.538 nm	dN/dlogDp(17.538)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
13	Log-normal particle size distribution, normalized concentration at particle diameter 19.624 nm	dN/dlogDp(19.624)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
14	Log-normal particle size distribution, normalized concentration at particle diameter 21.957 nm	dN/dlogDp(21.957)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
15	Log-normal particle size distribution, normalized concentration at particle diameter 24.568 nm	dN/dlogDp(24.568)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
16	Log-normal particle size distribution, normalized concentration at particle diameter 27.49 nm	dN/dlogDp(27.49)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
17	Log-normal particle size distribution, normalized concentration at particle diameter 30.759 nm	dN/dlogDp(30.759)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
18	Log-normal particle size distribution, normalized concentration at particle diameter 34.417 nm	dN/dlogDp(34.417)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
19	Log-normal particle size distribution, normalized concentration at particle diameter 38.509 nm	dN/dlogDp(38.509)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
20	Log-normal particle size distribution, normalized concentration at particle diameter 43.089 nm	dN/dlogDp(43.089)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
21	Log-normal particle size distribution, normalized concentration at particle diameter 48.213 nm	dN/dlogDp(48.213)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
22	Log-normal particle size distribution, normalized concentration at particle diameter 53.946 nm	dN/dlogDp(53.946)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
23	Log-normal particle size distribution, normalized concentration at particle diameter 60.361 nm	dN/dlogDp(60.361)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
24	Log-normal particle size distribution, normalized concentration at particle diameter 67.539 nm	dN/dlogDp(67.539)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
25	Log-normal particle size distribution, normalized concentration at particle diameter 75.57 nm	dN/dlogDp(75.57)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
26	Log-normal particle size distribution, normalized concentration at particle diameter 84.556 nm	dN/dlogDp(84.556)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
27	Log-normal particle size distribution, normalized concentration at particle diameter 94.611 nm	dN/dlogDp(94.611)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
28	Log-normal particle size distribution, normalized concentration at particle diameter 105.862 nm	dN/dlogDp(105.862)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
29	Log-normal particle size distribution, normalized concentration at particle diameter 118.451 nm	dN/dlogDp(118.451)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
30	Log-normal particle size distribution, normalized concentration at particle diameter 132.536 nm	dN/dlogDp(132.536)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
31	Log-normal particle size distribution, normalized concentration at particle diameter 148.297 nm	dN/dlogDp(148.297)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
32	Log-normal particle size distribution, normalized concentration at particle diameter 165.932 nm	dN/dlogDp(165.932)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
33	Log-normal particle size distribution, normalized concentration at particle diameter 185.664 nm	dN/dlogDp(185.664)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
34	Log-normal particle size distribution, normalized concentration at particle diameter 207.742 nm	dN/dlogDp(207.742)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
35	Log-normal particle size distribution, normalized concentration at particle diameter 232.445 nm	dN/dlogDp(232.445)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
36	Log-normal particle size distribution, normalized concentration at particle diameter 260.087 nm	dN/dlogDp(260.087)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
37	Log-normal particle size distribution, normalized concentration at particle diameter 291.015 nm	dN/dlogDp(291.015)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
38	Log-normal particle size distribution, normalized concentration at particle diameter 325.621 nm	dN/dlogDp(325.621)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
39	Log-normal particle size distribution, normalized concentration at particle diameter 364.342 nm	dN/dlogDp(364.342)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
40	Log-normal particle size distribution, normalized concentration at particle diameter 407.668 nm	dN/dlogDp(407.668)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
41	Log-normal particle size distribution, normalized concentration at particle diameter 456.146 nm	dN/dlogDp(456.146)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
42	Log-normal particle size distribution, normalized concentration at particle diameter 510.389 nm	dN/dlogDp(510.389)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
43	Log-normal particle size distribution, normalized concentration at particle diameter 571.082 nm	dN/dlogDp(571.082)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
44	Log-normal particle size distribution, normalized concentration at particle diameter 638.992 nm	dN/dlogDp(638.992)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
45	Log-normal particle size distribution, normalized concentration at particle diameter 714.978 nm	dN/dlogDp(714.978)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012
46	Log-normal particle size distribution, normalized concentration at particle diameter 800 nm	dN/dlogDp(800)	#/cm³	Simon, David J	Mobility Particle Size Spectrometer, TROPOS-built, Wiedensohler et al., 2012

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

22335 data points

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