Pseudovertical temperature profiles give insight into winter evolution of the atmospheric boundary layer over the McMurdo dry valleys of Antarctica

Measuring routine vertical profiles of atmospheric temperature is critical in understanding stability and the dynamics of the boundary layer. Routine monitoring in remote areas such as the McMurdo Dry Valleys (MDV) of Antarctica is logistically difficult and expensive. Pseudovertical profiles that were derived from a network of inexpensive ground temperature sensors planted on valley sidewalls (up to 330 m above valley floor), together with data from a weather station and a numerical weather prediction model, provided a long-term climatological description of the evolution of the winter boundary layer over the MDV. In winter, persistent valley cold pools (VCPs) were common, lasting up to 2 weeks. The VCPs were eroded by warm-air advection from aloft associated with strong winds, increasing the temperature of the valley by as much as 25 K. Pseudovertical datasets as described here can be used for model validation.

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Author Zawar-Reza, Peyman
Katurji, Marwan
Soltanzadeh, Iman
Dallafior, Tanja
Zhong, Shiyuan
Steinhoff, Daniel
Storey, Bryan
Cary, S.
Publisher UCAR/NCAR - Library
Publication Date 2013-07-01T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Resource Version N/A
Topic Category geoscientificInformation
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Metadata Date 2023-04-14T21:14:17.869823
Metadata Record Identifier edu.ucar.opensky::articles:13248
Metadata Language eng; USA
Suggested Citation Zawar-Reza, Peyman, Katurji, Marwan, Soltanzadeh, Iman, Dallafior, Tanja, Zhong, Shiyuan, Steinhoff, Daniel, Storey, Bryan, Cary, S.. (2013). Pseudovertical temperature profiles give insight into winter evolution of the atmospheric boundary layer over the McMurdo dry valleys of Antarctica. UCAR/NCAR - Library. Accessed 03 June 2023.

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