A study of the turbulent mixing in the atmospheric boundary layer of phoenix, Arizona

N. S. Berman, H. J S Fernando, E. Pardyjak, F. Yu, Alex Mahalov, A. Grachev

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Air pollution in urban areas of the Southwestern United States reaches high levels during clear winter nights when atmospheric mixing is limited by stable temperature stratification near the ground. In order to develop a fundamental understanding of vertical structure of the atmosphere very close to the surface, we made wind, temperature and particle measurements at different elevations using a tethered balloon in Phoenix, Arizona in late January and early February, 1998. The results of wind and temperature observations mostly from 1200 January 30 through 1000 hours LST (local standard time) February 1, are presented in this paper. This experiment indicates that numerical models of air pollution in complex terrain need to include at least three layers from the ground to 200 meters. Fundamental information needed to develop sub-grid parameterizations for the most important turbulence scales, are provided to improve modeling of the part of the atmospheric boundary layer important in air pollution.

Original languageEnglish (US)
Title of host publicationProceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM)
PublisherAmerican Society of Mechanical Engineers
Pages1
Number of pages1
ISBN (Print)0791819612
StatePublished - 1999

Fingerprint

Atmospheric boundary layer
turbulent mixing
Air pollution
atmospheric pollution
boundary layer
complex terrain
temperature
Balloons
Parameterization
Temperature
Numerical models
parameterization
stratification
Turbulence
urban area
turbulence
atmosphere
winter
modeling
experiment

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Engineering(all)
  • Environmental Science(all)

Cite this

Berman, N. S., Fernando, H. J. S., Pardyjak, E., Yu, F., Mahalov, A., & Grachev, A. (1999). A study of the turbulent mixing in the atmospheric boundary layer of phoenix, Arizona. In Proceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM) (pp. 1). American Society of Mechanical Engineers.

A study of the turbulent mixing in the atmospheric boundary layer of phoenix, Arizona. / Berman, N. S.; Fernando, H. J S; Pardyjak, E.; Yu, F.; Mahalov, Alex; Grachev, A.

Proceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM). American Society of Mechanical Engineers, 1999. p. 1.

Research output: Chapter in Book/Report/Conference proceedingChapter

Berman, NS, Fernando, HJS, Pardyjak, E, Yu, F, Mahalov, A & Grachev, A 1999, A study of the turbulent mixing in the atmospheric boundary layer of phoenix, Arizona. in Proceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM). American Society of Mechanical Engineers, pp. 1.
Berman NS, Fernando HJS, Pardyjak E, Yu F, Mahalov A, Grachev A. A study of the turbulent mixing in the atmospheric boundary layer of phoenix, Arizona. In Proceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM). American Society of Mechanical Engineers. 1999. p. 1
Berman, N. S. ; Fernando, H. J S ; Pardyjak, E. ; Yu, F. ; Mahalov, Alex ; Grachev, A. / A study of the turbulent mixing in the atmospheric boundary layer of phoenix, Arizona. Proceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM). American Society of Mechanical Engineers, 1999. pp. 1
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