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57 Research products, page 1 of 6

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  • Atmospheric Measurement Techniques (AMT)

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  • Open Access English
    Authors: 
    Perim de Faria, Julia; Bundke, Ulrich; Freedman, Andrew; Onasch, Timothy B.; Petzold, Andreas;
    Project: EC | ENVRI PLUS (654182), EC | IGAS (312311), EC | IAGOS-ERI (212128)

    An evaluation of the performance and relative accuracy of a Cavity Attenuated Phase-Shift Single Scattering Albedo Monitor (CAPS PMSSA; Aerodyne Research, Inc.) was conducted in an optical-closure study with proven technologies: Cavity Attenuated Phase-Shift Particle Ex...

  • Open Access English
    Authors: 
    Pileci, Rosaria E.; Modini, Robin L.; Bertò, Michele; Yuan, Jinfeng; Corbin, Joel C.; Marinoni, Angela; Henzing, Bas; Moerman, Marcel M.; Putaud, Jean P.; Spindler, Gerald; +7 more
    Project: EC | BLACARAT (615922), EC | ACTRIS-2 (654109)

    The mass concentration of black carbon (BC) particles in the atmosphere has traditionally been quantified with two methods: as elemental carbon (EC) concentrations measured by thermal–optical analysis and as equivalent black carbon (eBC) concentrations when BC mass is d...

  • Open Access English
    Authors: 
    Molleker, Sergej; Helleis, Frank; Klimach, Thomas; Appel, Oliver; Clemen, Hans-Christian; Dragoneas, Antonis; Gurk, Christian; Hünig, Andreas; Köllner, Franziska; Rubach, Florian; +3 more
    Project: EC | STRATOCLIM (603557), EC | EXCATRO (321040)

    We present a novel and compact design of a constant-pressure inlet (CPI) developed for use in airborne aerosol mass spectrometry. In particular, the inlet system is optimized for aerodynamic lenses commonly used in aerosol mass spectrometers, in which efficient focusing...

  • Open Access English
    Authors: 
    Molleker, Sergej; Helleis, Frank; Klimach, Thomas; Appel, Oliver; Clemen, Hans-Christian; Dragoneas, Antonis; Gurk, Christian; Hünig, Andreas; Köllner, Franziska; Rubach, Florian; +3 more
    Project: EC | STRATOCLIM (603557), EC | EXCATRO (321040)

    We present a novel and compact design of a constant pressure inlet (CPI) developed for use in airborne aerosol mass spectrometry. In particular the inlet system is optimized for aerodynamic lenses commonly used in aerosol mass spectrometers, where efficient focusing of ...

  • Open Access English
    Authors: 
    Tirpitz, Jan-Lukas; Frieß, Udo; Hendrick, François; Alberti, Carlos; Allaart, Marc; Apituley, Arnoud; Bais, Alkis; Beirle, Steffen; Berkhout, Stijn; Bognar, Kristof; +55 more
    Project: NSERC , EC | QA4ECV (607405), EC | VERTIGO (607905), EC | ACTRIS-2 (654109)

    The second Cabauw Intercomparison of Nitrogen Dioxide measuring Instruments (CINDI-2) took place in Cabauw (the Netherlands) in September 2016 with the aim of assessing the consistency of multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements of...

  • Open Access English
    Authors: 
    Bühl, Johannes; Seifert, Patric; Radenz, Martin; Baars, Holger; Ansmann, Albert;
    Project: EC | ACTRIS (262254), EC | BACCHUS (603445), EC | ACTRIS-2 (654109)

    A new method for the retrieval of ice crystal number concentration (ICNC) from combined active remote-sensing measurements of Raman lidar, cloud radar and radar wind profiler is presented. We exploit – for the first time – measurements of terminal fall velocity together...

  • Open Access English
    Authors: 
    Reum, Friedemann; Göckede, Mathias; Lavric, Jost V.; Kolle, Olaf; Zimov, Sergey; Zimov, Nikita; Pallandt, Martijn; Heimann, Martin;
    Project: EC | PERCCOM (333796), EC | INTAROS (727890), EC | PAGE21 (282700)

    Sparse data coverage in the Arctic hampers our understanding of its carbon cycle dynamics and our predictions of the fate of its vast carbon reservoirs in a changing climate. In this paper, we present accurate measurements of atmospheric carbon dioxide (CO2) and methane...

  • Open Access English
    Authors: 
    Yin, Zhenping; Ansmann, Albert; Baars, Holger; Seifert, Patric; Engelmann, Ronny; Radenz, Martin; Jimenez, Cristofer; Herzog, Alina; Ohneiser, Kevin; Hanbuch, Karsten; +5 more
    Project: EC | ACTRIS (262254), EC | ACTRIS-2 (654109)

    A shipborne Sun–sky–lunar photometer of type CE318-T was tested during two trans-Atlantic cruises aboard the German research vessel Polarstern from 54∘ N to 54∘ S in May/June and December 2018. The continuous observations of the motion-stabilized shipborne...

  • Open Access English
    Authors: 
    Sellitto, Pasquale; Guermazi, Henda; Carboni, Elisa; Siddans, Richard; Burton, Mike;
    Project: EC | STRATOCLIM (603557)

    We developed an optimal-estimation algorithm to simultaneously retrieve, for the first time, coexisting volcanic gaseous SO2 and sulfate aerosols (SA) from ground-based Fourier transform infrared (FTIR) observations. These effluents, both linked to magmatic degassing pr...

  • Open Access English
    Authors: 
    Bessardon, Geoffrey Elie Quentin; Fosu-Amankwah, Kwabena; Petersson, Anders; Brooks, Barbara Jane;
    Project: EC | DACCIWA (603502)

    Sparv Embedded, Sweden (http://windsond.com, last access: 22 February 2019), has answered the call for less expensive but accurate reusable radiosondes by producing a reusable sonde primarily intended for boundary-layer observations collection: the Windsond S1H2. To eva...