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Automated Radiometer Traversing System for Use in a Model Urban Canyon.

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Title: Automated Radiometer Traversing System for Use in a Model Urban Canyon.
Author: Voogt, J. A.; Steyn, Douw G.
Issue Date: 1991-08
Publicly Available in cIRcle 2011-04-20
Publisher American Meteorological Society
Citation: Voogt, J. A., Steyn, Douw G. 1991. Automated Radiometer Traversing System for Use in a Model Urban Canyon. Journal of Atmospheric and Oceanic Technology 8(4) 531-540. http://journals.ametsoc.org/doi/abs/10.1175/1520-0426%281991%29008%3C0531%3AAARTSF%3E2.0.CO%3B2
Abstract: The design of an automated radiometer traversing system used to measure nocturnal longwave surface radiative budgets in a model urban canyon is described. The system allows two net radiometers to be traversed around the perimeter of a canyon cross section in order to resolve the spatial distribution of net radiation without necessitating extensive arrays of instruments. The system has been used to study the temporal and spatial variations of radiation and near surface air temperature within a model urban canyon and to validate a numerical canyon radiation model. Considerations affecting the placement of the sensors with respect to the canyon surfaces are detailed. The traversing speed is determined using an analysis of sensor response to anticipated spatial changes in radiation across canyon surfaces. Test results confirm the design parameters. Copyright 1991 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/2429/33869
Peer Review Status: Reviewed
Scholarly Level: Faculty

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