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A reassessment of the discrepancies in the annual variation of δD-H₂O in the tropical lower stratosphere between the MIPAS and ACE-FTS satellite data sets

Lossow, S.; Högberg, C.; Khosrawi, F.; Stiller, G.P.; Bauer, R.; Walker, K.A.; Kellmann, S.; Linden, A.; Kiefer, M.; Glatthor, N.; Clarmann, T.von; Murtagh, D.P.; Steinwagner, J.; Röckmann, T.; Eichinger, R.

Abstract (englisch):
The annual variation of δD in the tropical lower stratosphere is a critical indicator for the relative importance of different processes contributing to the transport of water vapour through the cold tropical tropopause region into the stratosphere. Distinct observational discrepancies of the δD annual variation were visible in the works of Steinwagner et al. (2010) and Randel et al. (2012). Steinwagner et al. (2010) analysed MIPAS (Michelson Interferometer for Passive Atmospheric Sounding) observations retrieved with the IMK/IAA (Institut für Meteorologie und Klimaforschung in Karlsruhe, Germany, in collaboration with the Instituto de Astrofísica de Andalucía in Granada, Spain) processor, while Randel et al. (2012) focused on ACE-FTS (Atmospheric Chemistry Experiment Fourier Transform Spectrometer) observations. Here we reassess the discrepancies based on newer MIPAS (IMK/IAA) and ACE-FTS data sets, also showing for completeness results from SMR (Sub-Millimetre Radiometer) observations and a ECHAM/MESSy (European Centre for Medium-Range Weather Forecasts Hamburg and Modular Earth Submodel System) Atmospheric Chemistry (EMAC) simulation (Eichinger et al., 2015b). ... mehr

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Verlagsausgabe §
DOI: 10.5445/IR/1000105745
Veröffentlicht am 10.02.2020
Coverbild
Zugehörige Institution(en) am KIT Institut für Meteorologie und Klimaforschung - Atmosphärische Spurenstoffe und Fernerkundung (IMK-ASF)
Publikationstyp Zeitschriftenaufsatz
Jahr 2020
Sprache Englisch
Identifikator ISSN: 1867-1381, 1867-8548
KITopen-ID: 1000105745
Erschienen in Atmospheric measurement techniques
Band 13
Heft 1
Seiten 287-308
Vorab online veröffentlicht am 28.01.2020
Nachgewiesen in Web of Science
Scopus
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