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In situ measurements of methane in the troposphere and the stratosphere by the Ultra Light SpEctrometer Amulse.(Report)

Khair, Zineb Miftah El ; Joly, Lilian ; Cousin, Julien ; Decarpenterie, Thomas ; Dumeliaaaaaea@, Nicol ; Maamary, Rabih ; Chauvin, Nicolas ; Durry, Georges

Applied Physics B: Lasers and Optics, 2017, Vol.123(12), p.1(11) [Peer Reviewed Journal]

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  • Title:
    In situ measurements of methane in the troposphere and the stratosphere by the Ultra Light SpEctrometer Amulse.(Report)
  • Author: Khair, Zineb Miftah El ; Joly, Lilian ; Cousin, Julien ; Decarpenterie, Thomas ; Dumeliaaaaaea@, Nicol ; Maamary, Rabih ; Chauvin, Nicolas ; Durry, Georges
  • Subjects: Weather – Measurement ; Middle Atmosphere – Measurement ; Methane – Measurement ; Meteorological Balloons – Measurement ; Sensors – Measurement ; Troposphere – Measurement ; Global Warming – Measurement
  • Is Part Of: Applied Physics B: Lasers and Optics, 2017, Vol.123(12), p.1(11)
  • Description: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1007/s00340-017-6850-4 Byline: Zineb Miftah El Khair (1), Lilian Joly (1), Julien Cousin (1), Thomas Decarpenterie (1), Nicolas DumeliAaAaAeA@ (1), Rabih Maamary (1), Nicol Chauvin (1), Georges Durry (1) Abstract: Methane plays an important role in the radiative balance of the Earth climate: about 20% of the manmade global warming is related to methane emissions. To contribute to the study of CH.sub.4 trends, we have developed a compact lightweight spectrometer (2.5 kg) by combining an antimonide laser diode at 3.24 AaAaAeAe[micro]m with an 8 m optical multipass path cell op to the atmosphere. This laser sensor is to be operated from weather balloons to provide with regular in situ methane soundings from ground level up to ~ 25 km. In this paper, the laser sensor is described as well as the processing of the absorption spectra and the calibration of the instrument. The concentration data obtained from recent stratospheric balloon flights are reported and discussed. Author Affiliation: (1) Groupe de SpectromAaAaAeA@trie MolAaAaAeA@culaire et AtmosphAaAaAeA@rique, Unive de Reims-Champagne Ardenne, GSMA, UMR CNRS 7331, Reims, France Article History: Registration Date: 19/10/2017 Received Date: 11/05/2017 Accepted Date: 19/10/2017 Online Date: 13/11/2017
  • Language: English
  • Identifier: ISSN: 0946-2171 ; DOI: 10.1007/s00340-017-6850-4

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