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  • 1
    Electronic Resource
    Electronic Resource
    Method comparison study on soot-selective techniques (1995)
    Springer
    Microchimica acta 117 (1995), S. 215-237 
    Details
    ISSN: 1436-5073
    Keywords: particulate carbon ; diesel particles ; soot ; aethalometer ; aerosol photoemission
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract In a long-term field study at two locations with different air pollution levels several soot-selective measurement techniques were compared with a thermochemical method which measures non-extractable carbon (NEC) detecting the evolved CO2 by means of coulometric titration. The attenuation measurement technique (aethalometer) and the aerosol photoemission method showed good correlations to NEC for concentrations ranging from 1.6μg/m3 to 40.8μg/m3. The specific mass absorption coefficient of black carbon with respect to NEC varied between 8.4m2/g and 13.7m2/g with respect to the measurement sites, but the σ value was found to remain constant at each site independent of seasonal or meteorological variations. The ratio of photoelectric signal to NEC varied between 16 fA·(μg/m3)−1 and 33 fA·(μg/m3)−1 depending on the age of the aerosol. The diurnal variations of that ratio showed strong similarities to the traffic patterns. Additionally a slight temperature dependence of this ratio was found for the aged aerosol with a proportionality factor of − 0.35 fA·(K·μg/m3)−1. With the reflectance measurement technique (smoke shade method) reliable NEC determination was not possible for NEC concentrations ⩽ 5 μg/m3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01244892
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Aircraft measurements of aerosol particles and trace gases over the Southern Baltic Sea during the BALTIC'15 campaign in 2015 (2019)
    PANGAEA
    In:  Supplement to: Zanatta, Marco; Bozem, Heiko; Köllner, Franziska; Schneider, Johannes; Kunkel, Daniel; Hoor, Peter; de Faria, Julia; Petzold, Andreas; Bundke, Ulrich; Hayden, Katherine; Staebler, Ralf M; Schulz, Hannes; Herber, Andreas (2020): Airborne survey of trace gases and aerosols over the Southern Baltic Sea: from clean marine boundary layer to shipping corridor effect. Tellus Series B-Chemical and Physical Meteorology, 72(1), 1-24, https://doi.org/10.1080/16000889.2019.1695349
    Details
    Publication Date: 2023-11-08
    Description: During the BALTIC'15 campaign, conducted in August 2015 over the Southern Baltic Sea, trace gasses (CO2/O3/NOy/SO2) and aerosol particles (number concentration of total/non-volatile/Aitken mode/ Accumulation mode/Coarse mode/refractory black carbon, aerosol extinction coefficient, mass concentration of refractory black carbon were measured). Observations were performed on board of the Alfred Wegener Institute research aircraft Polar 5 during 4 flights: - Scientific flight 1 (SF1) 26 August 2015 - Scientific flight 2 (SF2) 28 August 2015 - Scientific flight 3 (SF3) 28 August 2015 - Scientific flight 4 (SF4) 30 August 2015
    Keywords: air pollution; Atmospheric Physics @ AWI; AWI_AtmoPhy; BALTIC'15; Baltic Sea; black carbon; CO2; extinction; marine boundary layer; marine traffic; NOy; O3; particle; Ship emission; SO2
    Type: Dataset
    Format: application/zip, 4 datasets
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    DATA PANGAEA
  • 3
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    Raw data of POLAR 5 campaign PAMARCMIP 2018 (2019)
    PANGAEA
    Details
    Publication Date: 2023-11-15
    Keywords: AC; AC3; Aircraft; Arctic Amplification; DATE/TIME; Event label; LATITUDE; LONGITUDE; North Greenland Sea; North Sea; P5_210_PAMARCMIP_2018; P5_210_PAMARCMIP_2018_1802280101; P5_210_PAMARCMIP_2018_1803020201; P5_210_PAMARCMIP_2018_1803230301; P5_210_PAMARCMIP_2018_1803250401; P5_210_PAMARCMIP_2018_1803260501; P5_210_PAMARCMIP_2018_1803260601; P5_210_PAMARCMIP_2018_1803260602; P5_210_PAMARCMIP_2018_1803270701; P5_210_PAMARCMIP_2018_1803280801; P5_210_PAMARCMIP_2018_1803280902; P5_210_PAMARCMIP_2018_1803301001; P5_210_PAMARCMIP_2018_1803311101; P5_210_PAMARCMIP_2018_1804021201; P5_210_PAMARCMIP_2018_1804021302; P5_210_PAMARCMIP_2018_1804031401; P5_210_PAMARCMIP_2018_1804031502; P5_210_PAMARCMIP_2018_1804041601; POLAR 5; South Atlantic Ocean; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 422 data points
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    DATA PANGAEA
  • 4
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    Time series of black carbon aerosol measurements from Neumayer Station, 1999-2011 (2013)
    PANGAEA
    In:  Supplement to: Weller, Rolf; Minikin, Andreas; Petzold, Andreas; Wagenbach, Dietmar; König-Langlo, Gert (2013): Characterization of long-term and seasonal variations of black carbon (BC) concentrations at Neumayer, Antarctica. Atmospheric Chemistry and Physics, 13, 1579-1590, https://doi.org/10.5194/acp-13-1579-2013
    Details
    Publication Date: 2023-11-30
    Description: Continuous black carbon (BC) observations were conducted from 1999 through 2009 by an Aethalometer (AE10) and from 2006 through 2011 by a Multi-Angle Absorption Photometer (MAAP) at Neumayer Station (NM) under stringent contamination control. Considering the respective observation period, BC concentrations measured by the MAAP were somewhat higher (median ± standard deviation: 2.1 ± 2.0 ng/m**3) compared to the AE10 results (1.6 ± 2.1 ng/m**3). Neither for the AE10 nor for the MAAP data set a significant long-term trend could be detected. Consistently a pronounced seasonality was observed with both instruments showing a primary annual maximum between October and November and a minimum in April with a maximum/minimum ratio of 4.5/1.6 = 3.8 and 2.7/0.64 = 4.2 for the MAAP and AE10 data, respectively. Occasionally a secondary summer maximum in January/February was visible. With the aim to assess the impact of BC on optical properties of the aerosol at NM, we evaluated the BC data along with particle scattering coefficients measured by an integrating nephelometer. We found the mean single scattering albedo of w550 = 0.992 ± 0.0090 (median: 0.994) at a wavelength of 550 nm with a range of values from 0.95 to 1.0.
    Keywords: Aerosol absorption at 550 nm; Aerosol backscattering ratio at 550 nm; Aerosol scattering at 550 nm; Aerosol single-scattering albedo at 550 nm; Aethalometer AE10; Air chemistry observatory; Albedo; Atmospheric Chemistry @ AWI; AWI_AC; Black carbon, aerosol; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; Duration, number of days; GVN_SPUSO; HEIGHT above ground; Multi-angle absorption photometer (MAAP); Multi-angle absorption photometer (MAAP) and nephelometer (in combination); Nephelometer; Neumayer_based; NEUMAYER III; NMR; PYRA; Pyranometer; SPUSO
    Type: Dataset
    Format: text/tab-separated-values, 22770 data points
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  • 5
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    Aircraft measurements of aerosol particles and trace gases over the Southern Baltic Sea during the BALTIC'15 campaign in 2015 (flight BalticSea_2015_1508280401) (2019)
    PANGAEA
    Details
    Publication Date: 2023-11-30
    Description: During the BALTIC'15 campaign, conducted in August 2015 over the Southern Baltic Sea, trace gasses (CO2/O3/NOy/SO2) and aerosol particles (number concentration of total/non-volatile/Aitken mode/ Accumulation mode/Coarse mode/refractory black carbon, aerosol extinction coefficient, mass concentration of refractory black carbon were measured). Observations were performed on board of the Alfred Wegener Institute research aircraft Polar 5 during flight: - Scientific flight 2 (SF2) 28 August 2015 (BalticSea_2015_1508280401).
    Keywords: AC; Aerosol extinction coefficient; Aerosol number concentration; Aerosol number concentration, accumulation mode; Aerosol number concentration, Aitken mode; Aerosol number concentration, coarse mode; Aerosol number concentration, nonvolatile; Aircraft; air pollution; ALTITUDE; Atmospheric Physics @ AWI; AWI_AtmoPhy; BALTIC'15; Baltic Sea; BalticSea_2015; BalticSea_2015_1508280401; black carbon; Black carbon, aerosol; Black carbon, aerosol number concentration; Calculated from aerosol; Carbon dioxide mixing ratio; Cavity Attenuated Phase Shift Particle Extinction Monitor; Chemiluminescence (NO2/NO3); CO2; Condensation particle counter; Condensation particle counter after heating to 250°C; CO₂/H₂O gas analyser; CPC; DATE/TIME; Dual beam Ozone Monitor; extinction; Global positioning system; GPS; Humidity, relative; LATITUDE; LONGITUDE; marine boundary layer; marine traffic; NOy; O3; OPC; Optical particle counter; Ozone mixing ratio; P5_198_BALTICSEA_2015; particle; POLAR 5; Pressure, atmospheric; Pulsed fluorescence technique; Reactive nitrogen oxides mixing ratio; Ship emission; Single Particle Soot Photometer (SP2); SO2; Sulfur dioxide mixing ratio; Temperature, air; UHSAS; Ultra High Sensitivity Aerosol Spectrometer; Vaisala, HUMICAP
    Type: Dataset
    Format: text/tab-separated-values, 42959 data points
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  • 6
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    Aircraft measurements of aerosol particles and trace gases over the Southern Baltic Sea during the BALTIC'15 campaign in 2015 (flight BalticSea_2015_1508300601) (2019)
    PANGAEA
    Details
    Publication Date: 2023-11-30
    Description: During the BALTIC'15 campaign, conducted in August 2015 over the Southern Baltic Sea, trace gasses (CO2/O3/NOy/SO2) and aerosol particles (number concentration of total/non-volatile/Aitken mode/ Accumulation mode/Coarse mode/refractory black carbon, aerosol extinction coefficient, mass concentration of refractory black carbon were measured). Observations were performed on board of the Alfred Wegener Institute research aircraft Polar 5 during flight: - Scientific flight 4 (SF4) 30 August 2015 (BalticSea_2015_1508300601).
    Keywords: AC; Aerosol extinction coefficient; Aerosol number concentration; Aerosol number concentration, accumulation mode; Aerosol number concentration, Aitken mode; Aerosol number concentration, coarse mode; Aerosol number concentration, nonvolatile; Aircraft; air pollution; ALTITUDE; Atmospheric Physics @ AWI; AWI_AtmoPhy; BALTIC'15; Baltic Sea; BalticSea_2015; BalticSea_2015_1508300601; black carbon; Black carbon, aerosol; Black carbon, aerosol number concentration; Calculated from aerosol; Carbon dioxide mixing ratio; Cavity Attenuated Phase Shift Particle Extinction Monitor; Chemiluminescence (NO2/NO3); CO2; Condensation particle counter; Condensation particle counter after heating to 250°C; CO₂/H₂O gas analyser; CPC; DATE/TIME; Dual beam Ozone Monitor; extinction; Global positioning system; GPS; Humidity, relative; LATITUDE; LONGITUDE; marine boundary layer; marine traffic; NOy; O3; OPC; Optical particle counter; Ozone mixing ratio; P5_198_BALTICSEA_2015; particle; POLAR 5; Pressure, atmospheric; Pulsed fluorescence technique; Reactive nitrogen oxides mixing ratio; Ship emission; Single Particle Soot Photometer (SP2); SO2; Sulfur dioxide mixing ratio; Temperature, air; UHSAS; Ultra High Sensitivity Aerosol Spectrometer; Vaisala, HUMICAP
    Type: Dataset
    Format: text/tab-separated-values, 20305 data points
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    DATA PANGAEA
  • 7
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    Aircraft measurements of aerosol particles and trace gases over the Southern Baltic Sea during the BALTIC'15 campaign in 2015 (flight BalticSea_2015_1508260301) (2019)
    PANGAEA
    Details
    Publication Date: 2023-11-30
    Description: During the BALTIC'15 campaign, conducted in August 2015 over the Southern Baltic Sea, trace gasses (CO2/O3/NOy/SO2) and aerosol particles (number concentration of total/non-volatile/Aitken mode/ Accumulation mode/Coarse mode/refractory black carbon, aerosol extinction coefficient, mass concentration of refractory black carbon were measured). Observations were performed on board of the Alfred Wegener Institute research aircraft Polar 5 during flight: - Scientific flight 1 (SF1) 26 August 2015 (BalticSea_2015_1508260301).
    Keywords: AC; Aerosol extinction coefficient; Aerosol number concentration; Aerosol number concentration, accumulation mode; Aerosol number concentration, Aitken mode; Aerosol number concentration, coarse mode; Aerosol number concentration, nonvolatile; Aircraft; air pollution; ALTITUDE; Atmospheric Physics @ AWI; AWI_AtmoPhy; BALTIC'15; Baltic Sea; BalticSea_2015; BalticSea_2015_1508260301; black carbon; Black carbon, aerosol; Black carbon, aerosol number concentration; Calculated from aerosol; Carbon dioxide mixing ratio; Cavity Attenuated Phase Shift Particle Extinction Monitor; Chemiluminescence (NO2/NO3); CO2; Condensation particle counter; Condensation particle counter after heating to 250°C; CO₂/H₂O gas analyser; CPC; DATE/TIME; Dual beam Ozone Monitor; extinction; Global positioning system; GPS; Humidity, relative; LATITUDE; LONGITUDE; marine boundary layer; marine traffic; NOy; O3; OPC; Optical particle counter; Ozone mixing ratio; P5_198_BALTICSEA_2015; particle; POLAR 5; Pressure, atmospheric; Pulsed fluorescence technique; Reactive nitrogen oxides mixing ratio; Ship emission; Single Particle Soot Photometer (SP2); SO2; Sulfur dioxide mixing ratio; Temperature, air; UHSAS; Ultra High Sensitivity Aerosol Spectrometer; Vaisala, HUMICAP
    Type: Dataset
    Format: text/tab-separated-values, 30795 data points
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  • 8
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    Aircraft measurements of aerosol particles and trace gases over the Southern Baltic Sea during the BALTIC'15 campaign in 2015 (flight BalticSea_2015_1508280502) (2019)
    PANGAEA
    Details
    Publication Date: 2023-11-30
    Description: During the BALTIC'15 campaign, conducted in August 2015 over the Southern Baltic Sea, trace gasses (CO2/O3/NOy/SO2) and aerosol particles (number concentration of total/non-volatile/Aitken mode/ Accumulation mode/Coarse mode/refractory black carbon, aerosol extinction coefficient, mass concentration of refractory black carbon were measured). Observations were performed on board of the Alfred Wegener Institute research aircraft Polar 5 during flight: - Scientific flight 3 (SF3) 28 August 2015 (BalticSea_2015_1508280502).
    Keywords: AC; Aerosol extinction coefficient; Aerosol number concentration; Aerosol number concentration, accumulation mode; Aerosol number concentration, Aitken mode; Aerosol number concentration, coarse mode; Aerosol number concentration, nonvolatile; Aircraft; air pollution; ALTITUDE; Atmospheric Physics @ AWI; AWI_AtmoPhy; BALTIC'15; Baltic Sea; BalticSea_2015; BalticSea_2015_1508280502; black carbon; Black carbon, aerosol; Black carbon, aerosol number concentration; Calculated from aerosol; Carbon dioxide mixing ratio; Cavity Attenuated Phase Shift Particle Extinction Monitor; Chemiluminescence (NO2/NO3); CO2; Condensation particle counter; Condensation particle counter after heating to 250°C; CO₂/H₂O gas analyser; CPC; DATE/TIME; Dual beam Ozone Monitor; extinction; Global positioning system; GPS; Humidity, relative; LATITUDE; LONGITUDE; marine boundary layer; marine traffic; NOy; O3; OPC; Optical particle counter; Ozone mixing ratio; P5_198_BALTICSEA_2015; particle; POLAR 5; Pressure, atmospheric; Pulsed fluorescence technique; Reactive nitrogen oxides mixing ratio; Ship emission; Single Particle Soot Photometer (SP2); SO2; Sulfur dioxide mixing ratio; Temperature, air; UHSAS; Ultra High Sensitivity Aerosol Spectrometer; Vaisala, HUMICAP
    Type: Dataset
    Format: text/tab-separated-values, 38645 data points
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  • 9
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    The GridKa Tier-1 Computing Center within the ALICE Grid Framework (2014)
    Institute of Physics
    Details
    Publication Date: 2014-06-11
    Print ISSN: 1742-6588
    Electronic ISSN: 1742-6596
    Topics: Physics
    Published by Institute of Physics
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    PAPER CURRENT
  • 10
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    100G Deployment@(DE-KIT) (2015)
    Institute of Physics
    Details
    Publication Date: 2015-12-23
    Print ISSN: 1742-6588
    Electronic ISSN: 1742-6596
    Topics: Physics
    Published by Institute of Physics
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    PAPER CURRENT
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