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Along-Valley Structure of Daytime Thermally Driven Flows in the Wipp Valley.

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Title: Along-Valley Structure of Daytime Thermally Driven Flows in the Wipp Valley.
Author: Rucker, Magdalena; Banta, Robert M.; Steyn, Douw G.
Issue Date: 2008-03
Publicly Available in cIRcle 2011-04-20
Publisher American Meteorological Society
Citation: Rucker, Magdalena, Banta, Robert M., Steyn, Douw G. 2008. Along-Valley Structure of Daytime Thermally Driven Flows in the Wipp Valley. Journal of Applied Meteorology and Climatology 47(3) 733-751 http://dx.doi.org/10.1175/2007JAMC1319.1
Abstract: High-resolution Doppler lidar observations obtained during the Mesoscale Alpine Program (MAP) 1999 field campaign are used to investigate the along-valley structure of daytime valley flows in the Wipp Valley, Austria. The observations show that under varying ambient conditions the valley flow increases in speed through a narrow section of the valley. Furthermore, the along-valley volume flux diverges along the valley segment under investigation, which suggests that the observed along-valley acceleration of the valley flow cannot be explained by the horizontal constriction of the valley sidewalls. It is hypothesized that the along-valley acceleration of the flow is caused by an intravalley change in the horizontal pressure gradient induced by differential heating rates of the valley atmosphere. Copyright 2008 American Meteorological Society (AMS). Permission to use figures, tables, and brief excerpts from this work in scientific and educational works is hereby granted provided that the source is acknowledged. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act or that satisfies the conditions specified in Section 108 of the U.S. Copyright Act (17 USC §108, as revised by P.L. 94-553) does not require the AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a web site or in a searchable database, or other uses of this material, except as exempted by the above statement, requires written permission or a license from the AMS. Additional details are provided in the AMS Copyright Policy, available on the AMS Web site located at (http://www.ametsoc.org/) or from the AMS at 617-227-2425 or copyright@ametsoc.org.
Affiliation: Earth and Ocean Sciences, Dept. of (EOS), Dept of
URI: http://hdl.handle.net/2429/33852
Peer Review Status: Reviewed
Scholarly Level: Faculty

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