Arctic stratospheric dehydration – Part 2: Microphysical modeling ...

Large areas of synoptic-scale ice PSCs (polar stratospheric clouds) distinguished the Arctic winter 2009/2010 from other years and revealed unprecedented evidence of water redistribution in the stratosphere. A unique snapshot of water vapor repartitioning into ice particles was obtained under extrem...

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Bibliographic Details
Main Authors: Engel, Ines, Luo, Beiping P., Khaykin, Sergey M., Wienhold, Frank G., Vömel, Holger, Kivi, Rigel, Hoyle, Christopher R., Grooß, Jens-Uwe, Pitts, Michael C., Peter, Thomas
Format: Article in Journal/Newspaper
Language:English
Published: ETH Zurich 2014
Subjects:
Arctic
Lapland
Online Access:https://dx.doi.org/10.3929/ethz-b-000082466
http://hdl.handle.net/20.500.11850/82466
Description
Summary:Large areas of synoptic-scale ice PSCs (polar stratospheric clouds) distinguished the Arctic winter 2009/2010 from other years and revealed unprecedented evidence of water redistribution in the stratosphere. A unique snapshot of water vapor repartitioning into ice particles was obtained under extremely cold Arctic conditions with temperatures around 183 K. Balloon-borne, aircraft and satellite-based measurements suggest that synoptic-scale ice PSCs and concurrent reductions and enhancements in water vapor are tightly linked with the observed de- and rehydration signatures, respectively. In a companion paper (Part 1), water vapor and aerosol backscatter measurements from the RECONCILE (Reconciliation of essential process parameters for an enhanced predictability of Arctic stratospheric ozone loss and its climate interactions) and LAPBIAT-II (Lapland Atmosphere–Biosphere Facility) field campaigns have been analyzed in detail. This paper uses a column version of the Zurich Optical and Microphysical box Model ... : Atmospheric Chemistry and Physics, 14 (7) ...

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