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An optical particle...
An optical particle size spectrometer for aircraft-borne measurements in IAGOS-CARIBIC
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- Hermann, Markus (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Weigelt, Andreas (författare)
- Leibniz Institute for Tropospheric Research (TROPOS),Helmholtz-Zentrum Geesthacht
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- Assmann, Denise (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Pfeifer, Sascha (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Müller, Thomas (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Conrath, Thomas (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Voigtländer, Jens (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Heintzenberg, Jost (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Wiedensohler, Alfred (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Martinsson, Bengt G. (författare)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Deshler, Terry (författare)
- University of Wyoming
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- Brenninkmeijer, Carl A M (författare)
- Max Planck Institute for Chemistry
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- Zahn, Andreas (författare)
- Karlsruhe Institute of Technology
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(creator_code:org_t)
- 2016-05-17
- 2016
- Engelska 16 s.
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Ingår i: Atmospheric Measurement Techniques. - : Copernicus GmbH. - 1867-1381 .- 1867-8548. ; 9:5, s. 2179-2194
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://doi.org/10.5...
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https://lup.lub.lu.s...
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https://doi.org/10.5...
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Abstract
Ämnesord
Stäng
- The particle number size distribution is an important parameter to characterize the atmospheric aerosol and its influence on the Earth's climate. Here we describe a new optical particle size spectrometer (OPSS) for measurements of the accumulation mode particle number size distribution in the tropopause region on board a passenger aircraft (IAGOS-CARIBIC observatory: In-service Aircraft for a Global Observing System - Civil Aircraft for Regular Investigation of the Atmosphere Based on an Instrument Container). A modified KS93 particle sensor from RION Co., Ltd., together with a new airflow system and a dedicated data acquisition system, is the key component of the CARIBIC OPSS. The instrument records individual particle pulse signal curves in the particle size range 130-1110 nm diameter (for a particle refractive index of 1.47-i0.006) together with a time stamp and thus allows the post-flight choice of the time resolution and the size distribution bin width. The CARIBIC OPSS has a 50 % particle detection diameter of 152 nm and a maximum asymptotic counting efficiency of 98 %. The instrument's measurement performance shows no pressure dependency and no particle coincidence for free tropospheric conditions. The size response function of the CARIBIC OPSS was obtained by a polystyrene latex calibration in combination with model calculations. Particle number size distributions measured with the new OPSS in the lowermost stratosphere agreed within a factor of 2 in concentration with balloon-borne measurements over western North America. Since June 2010 the CARIBIC OPSS is deployed once per month in the IAGOS-CARIBIC observatory.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
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Hermann, Markus
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Weigelt, Andreas
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Assmann, Denise
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Pfeifer, Sascha
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Müller, Thomas
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Conrath, Thomas
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visa fler...
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Voigtländer, Jen ...
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Heintzenberg, Jo ...
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Wiedensohler, Al ...
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Martinsson, Beng ...
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Deshler, Terry
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Brenninkmeijer, ...
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Zahn, Andreas
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visa färre...
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