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  • PANGAEA  (19)
  • Cambridge University Press
  • Wiley-Blackwell
  • 2015-2019  (19)
Collection
Keywords
Years
Year
  • 1
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    PANGAEA
    In:  Supplement to: Weller, Rolf; Legrand, Michel R; Preunkert, Suzanne (2018): Size distribution and ionic composition of marine summer aerosol at the continental Antarctic site Kohnen. Atmospheric Chemistry and Physics, 18, 2413-2430, https://doi.org/10.5194/acp-18-2413-2018
    Publication Date: 2023-03-27
    Description: We measured aerosol size distributions and conducted bulk as well as size segregated aerosol sampling during two summer campaigns in January 2015 and January 2016 at the continental Antarctic station Kohnen (Dronning Maud Land). Physical and chemical aerosol properties differ conspicuously during the episodic impact of an outstanding low pressure system in 2015 (LPS15) compared to the prevailing clear sky conditions (CSC): The about three days persisting LPS15, located in the eastern Weddell Sea, was associated with marine boundary layer (MBL) air mass intrusion, enhanced condensation particle concentrations (1400±700 cm-3 compared to 250±120 cm-3 during CSC; mean ± SD), occurrence of a new particle formation (NPF) event exhibiting a continuous growth of particle diameters (Dp) from 12 nm to 43 nm over 44 hours (growth rate 0.6 nm h-1), peaking methane sulfonate (MS-), non-sea salt sulfate (nss-SO42-) and Na+ concentrations (190 ng m-3 MS-, 137 ng m-3 nss-SO42-, and 53 ng m-3 Na+ compared to 24±15 ng m-3, 107±20 ng m-3 and 4.1±2.2 ng m-3, respectively, during CSC), and finally an increased MS-/nss-SO42- mass ratio ßMS of 0.4 up to 2.3 (0.21±0.1 during CSC) comparable to typical values found at coastal Antarctic sites. Throughout the observation period a larger part of MS- could be found in super micron aerosol compared to nss-SO42-, i.e. (10±2) % by mass compared to (3.2±2) %, respectively. On the whole, during CSC aged aerosol characterized by an usually mono-modal size distribution around Dp = 60 nm was observed. Although our observations indicate that sporadic impacts of coastal cyclones were associated with enhanced marine aerosol entry, at large aerosol deposition on-site during austral summer should be dominated by the typical steady CSC.
    Keywords: Atmospheric Chemistry @ AWI; AWI_AC; Dronning Maud Land, Antarctica; Kohnen; Kohnen_based; Kohnen Station; Research station; RS
    Type: Dataset
    Format: application/zip, 10 datasets
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  • 2
    Publication Date: 2023-03-27
    Keywords: Ammonium; Atmospheric Chemistry @ AWI; AWI_AC; Chloride; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; Duration; HEIGHT above ground; Impactor sampling and Ion chromatography; Kohnen; Kohnen_based; Kohnen Station; Methane sulfonic acid; Research station; RS; Sodium; Sulfate, non-sea-salt
    Type: Dataset
    Format: text/tab-separated-values, 135 data points
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  • 3
    Publication Date: 2023-03-27
    Keywords: Ammonium; Atmospheric Chemistry @ AWI; AWI_AC; Chloride; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; Duration; Height; Ion chromatography; Kohnen; Kohnen_based; Kohnen Station; Methane sulfonic acid; Research station; RS; Sodium; Sulfate, non-sea-salt
    Type: Dataset
    Format: text/tab-separated-values, 144 data points
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  • 4
    Publication Date: 2023-03-27
    Keywords: Ammonium; Atmospheric Chemistry @ AWI; AWI_AC; Chloride; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; Duration; Height; Impactor sampling and Ion chromatography; Kohnen; Kohnen_based; Kohnen Station; Methane sulfonic acid; Research station; RS; Sodium; Sulfate, non-sea-salt
    Type: Dataset
    Format: text/tab-separated-values, 196 data points
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  • 5
    Publication Date: 2023-03-27
    Keywords: Ammonium; Atmospheric Chemistry @ AWI; AWI_AC; Chloride; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; Duration; Height; Ion chromatography; Kohnen; Kohnen_based; Kohnen Station; Methane sulfonic acid; Research station; RS; Sodium; Sulfate, non-sea-salt
    Type: Dataset
    Format: text/tab-separated-values, 128 data points
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  • 6
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    PANGAEA
    In:  Supplement to: Goursaud, Sentia; Masson-Delmotte, Valerie; Favier, Vincent; Preunkert, Suzanne; Legrand, Michel; Minster, Bénédicte; Werner, Martin (2019): Challenges associated with the climatic interpretation of water stable isotope records from a highly resolved firn core from Adélie Land, coastal Antarctica. The Cryosphere, 13(4), 1297-1324, https://doi.org/10.5194/tc-13-1297-2019
    Publication Date: 2023-01-13
    Description: A new 21.3m firn core was drilled in 2015 at a coastal Antarctic high accumulation site in Adélie Land (66.78°S; 139.56°E, 602ma.s.l.). The core was dated by annual layers counting based on non-sea-salt sulfate and methanesulfonate summer peaks, refined by a comparison between the reconstructed surface mass balance (hereafter, SMB) and the closest available stake data. The mean reconstructed SMB of 75.2 ± 15.0cmw.e. y−1 is consistent with local stake data, and remarkably high for coastal East Antarctica. The resulting inter-annual and sub-annual variations in isotopic records (δ18O and deuterium excess, hereafter d-excess) are explored for 1998–2014 and are systematically compared with a couple of climatic time series: an updated database of Antarctic surface snow isotopic composition, SMB stake data, meteorological observations from Dumont d'Urville station, sea-ice concentration based on passive microwave satellite data, precipitation outputs of atmospheric reanalyses, climate and water stable isotope outputs from the atmospheric general circulation model ECHAM5-wiso, as well as air mass origins diagnosed using 5-days back-trajectories. The mean isotopic values (−19.3 ± 3.1‰ for δ18O and 5.4 ± 2.2‰ for d-excess) are consistent with other coastal Antarctic values. No significant isotope-temperature relationship can be evidenced at any timescale, ruling out a simple interpretation of in terms of local temperature. An observed asymmetry in the δ18O seasonal cycle may be explained by the precipitation of air masses coming from Indian and Pacific/West Antarctic Ice Sheet sectors in autumn and winter times, recorded in the d-excess signal showing outstanding values in austral spring versus autumn. Significant positive trends are observed in the annual d-excess record and local sea-ice extent (135°E–145°E) over the period 1998–2014. However, processes studies focusing on resulting isotopic compositions and particularly the d-excess-δ18O relationship, evidenced as a potential fingerprint of moisture origins, as well as the collection of more isotopic measurements in Adélie Land are needed for an accurate interpretation of our signals.
    Keywords: Age; Antarctic; Core; CORE; DEPTH, ice/snow; Deuterium excess; Methane sulfonic acid; Number; Original value; Sodium; Sulfate; TA192A__Adelie_Land; δ18O
    Type: Dataset
    Format: text/tab-separated-values, 4772 data points
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  • 7
    Publication Date: 2024-03-11
    Keywords: Atmospheric Chemistry @ AWI; AWI_AC; Condensation particle counter (CPC), TSI, 3775; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; HEIGHT above ground; Kohnen; Kohnen_based; Kohnen Station; Particle number; Research station; RS; Time in minutes
    Type: Dataset
    Format: text/tab-separated-values, 5991 data points
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  • 8
    Publication Date: 2024-03-11
    Keywords: Atmospheric Chemistry @ AWI; AWI_AC; Condensation particle counter (CPC), TSI, 3775; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; HEIGHT above ground; Kohnen; Kohnen_based; Kohnen Station; Particle number; Research station; RS; Time in minutes
    Type: Dataset
    Format: text/tab-separated-values, 6366 data points
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  • 9
    Publication Date: 2024-02-09
    Keywords: Atmospheric Chemistry @ AWI; AWI_AC; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; Height; Kohnen; Kohnen_based; Kohnen Station; Log-normal particle size distribution, normalized concentration at particle diameter 10.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 10.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 10.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 101.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 105.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 109.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 11.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 11.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 113.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 117.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 12.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 12.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 121.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 126.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 13.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 13.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 131 nm; Log-normal particle size distribution, normalized concentration at particle diameter 135.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 14.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 14.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 140.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 145.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 15.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 15.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 151.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 156.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 16.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 16.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 162.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 168.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 17.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 174.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 18.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 18.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 181.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 187.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 19.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 194.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 20.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 20.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 201.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 209.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 21.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 216.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 22.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 224.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 23.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 232.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 24.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 241.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 25.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 250.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 259.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 25 nm; Log-normal particle size distribution, normalized concentration at particle diameter 26.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 269 nm; Log-normal particle size distribution, normalized concentration at particle diameter 27.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 278.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 28.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 289 nm; Log-normal particle size distribution, normalized concentration at particle diameter 299.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 30 nm; Log-normal particle size distribution, normalized concentration at particle diameter 31.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 310.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 32.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 322 nm; Log-normal particle size distribution, normalized concentration at particle diameter 33.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 333.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 34.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 346 nm; Log-normal particle size distribution, normalized concentration at particle diameter 35.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 358.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 37.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 371.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 38.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 385.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 399.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 40 nm; Log-normal particle size distribution, normalized concentration at particle diameter 41.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 414.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 42.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 44.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 46.1 nm; Log-normal particle size
    Type: Dataset
    Format: text/tab-separated-values, 11021 data points
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  • 10
    Publication Date: 2024-02-09
    Keywords: ALTITUDE; Atmospheric Chemistry @ AWI; AWI_AC; DATE/TIME; Date/time end; Dronning Maud Land, Antarctica; Kohnen; Kohnen_based; Kohnen Station; Log-normal particle size distribution, normalized concentration at particle diameter 10.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 10.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 10.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 11.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 11.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 12.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 12.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 13.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 13.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 14.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 14.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 15.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 15.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 16.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 16.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 17.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 18.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 18.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 19.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 20.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 20.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 21.7 nm; Log-normal particle size distribution, normalized concentration at particle diameter 22.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 23.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 24.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 25.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 25 nm; Log-normal particle size distribution, normalized concentration at particle diameter 26.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 27.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 28.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 3.11 nm; Log-normal particle size distribution, normalized concentration at particle diameter 3.22 nm; Log-normal particle size distribution, normalized concentration at particle diameter 3.34 nm; Log-normal particle size distribution, normalized concentration at particle diameter 3.46 nm; Log-normal particle size distribution, normalized concentration at particle diameter 3.59 nm; Log-normal particle size distribution, normalized concentration at particle diameter 3.72 nm; Log-normal particle size distribution, normalized concentration at particle diameter 3.85 nm; Log-normal particle size distribution, normalized concentration at particle diameter 30 nm; Log-normal particle size distribution, normalized concentration at particle diameter 31.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 32.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 33.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 34.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 35.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 37.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 38.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 4.14 nm; Log-normal particle size distribution, normalized concentration at particle diameter 4.29 nm; Log-normal particle size distribution, normalized concentration at particle diameter 4.45 nm; Log-normal particle size distribution, normalized concentration at particle diameter 4.61 nm; Log-normal particle size distribution, normalized concentration at particle diameter 4.78 nm; Log-normal particle size distribution, normalized concentration at particle diameter 4.96 nm; Log-normal particle size distribution, normalized concentration at particle diameter 40 nm; Log-normal particle size distribution, normalized concentration at particle diameter 41.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 42.9 nm; Log-normal particle size distribution, normalized concentration at particle diameter 44.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 46.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 47.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 49.6 nm; Log-normal particle size distribution, normalized concentration at particle diameter 4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 5.14 nm; Log-normal particle size distribution, normalized concentration at particle diameter 5.33 nm; Log-normal particle size distribution, normalized concentration at particle diameter 5.52 nm; Log-normal particle size distribution, normalized concentration at particle diameter 5.73 nm; Log-normal particle size distribution, normalized concentration at particle diameter 5.94 nm; Log-normal particle size distribution, normalized concentration at particle diameter 51.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 53.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 55.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 57.3 nm; Log-normal particle size distribution, normalized concentration at particle diameter 59.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 6.15 nm; Log-normal particle size distribution, normalized concentration at particle diameter 6.38 nm; Log-normal particle size distribution, normalized concentration at particle diameter 6.61 nm; Log-normal particle size distribution, normalized concentration at particle diameter 6.85 nm; Log-normal particle size distribution, normalized concentration at particle diameter 61.5 nm; Log-normal particle size distribution, normalized concentration at particle diameter 63.8 nm; Log-normal particle size distribution, normalized concentration at particle diameter 7.1 nm; Log-normal particle size distribution, normalized concentration at particle diameter 7.37 nm; Log-normal particle size distribution, normalized concentration at particle diameter 7.64 nm; Log-normal particle size distribution, normalized concentration at particle diameter 7.91 nm; Log-normal particle size distribution, normalized concentration at particle diameter 8.2 nm; Log-normal particle size distribution, normalized concentration at particle diameter 8.51 nm; Log-normal particle size distribution, normalized concentration at particle diameter 8.82 nm; Log-normal particle size distribution, normalized concentration at
    Type: Dataset
    Format: text/tab-separated-values, 22000 data points
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