Smoke Flow Visualization in a Tributary of a Deep Valley

Porch, W.M.; Barr, S.; Clements, W.E.; Archuleta, J.A.; Fernandez, A. B.; King, C. W.; Neff, W. D.; Hosker, R.P.

doi:10.1175/1520-0477(1989)070<0030:sfviat>2.0.co;2

Bull. Amer. Meteor. Soc.

1989

DOI: 10.1175/1520-0477(1989)070<0030:sfviat>2.0.co;2

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Smoke Flow Visualization in a Tributary of a Deep Valley

W.M. Porch¹,

S. Barr²,

W.E. Clements³

et al.

Abstract: Smoke pot and oil fog smoke tracers have been used to plan meteorological instrument placement and quantitatively estimate air volume flow from a tributary during nocturnal drainage wind conditions. The estimated volume flow agrees well with estimates of the flow using tethered-balloon and remotely obtained wind velocity measurements. The smoke visualization shows a very complex flow structure caused by tributary flow interactions with the flow down the main valley. The magnitude of the outflow volume from the… Show more

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“…Smoke can prove useful in monitoring air movement under light flows. Porch et al (1989) describe an experiment in the western USA to determine the complex airflow relationships between a deep valley and one of its tributaries at night. Bright moonlight helped the visualization of smoke flow.…”

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confidence: 99%

Micro- and mesoclimatology

Smithson

1990

Progress in Physical Geography: Earth and Environment

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In the previous survey (Smithson, 1989), comments were made about the occasional nature of the appearance of books on the theme of microand mesoclimatology. Since then, two books have been published which, whilst being explicitly concerned with meteorology, do contain much information of use to climatologists. The larger book, by Stull (1988), is intended primarily as a textbook on boundary-layer meteorology, but it also serves as a reference book on present knowledge of atmospheric turbulence and boundary-layer processes, and as a literature review for these areas. Whilst much of this book is inevitably concerned with the physical processes operating in the boundary layer, it nevertheless provides very useful information about the causative factors behind many microclimatological features. In addition, a review is provided of boundarylayer sensing devices such as radar, sodar, lidar and various instrument platforms together with comments about their relative advantages and disadvantages. If one has the financial support to purchase, maintain and operate such equipment then this book will give guidance on which system would be most appropriate for a particular problem. The other book (Hsu, 1988) is specifically concerned with coastal meteorology, though the first four chapters are devoted to atmospheric physics which would be relevant for any scale. Physical processes in the boundary layer are discussed in some detail before the core is reached on air-sea-land . interaction. The final chapter on engineering meteorology reflects the origin of the book which was based on a course for students in science and engineering in the Department of Marine Sciences at Louisiana State University. As a result, Atkinson's much broader review of mesoscale circulation systems (Atkinson, 1981) still provides the best climatological reference in this area.Other publications will be discussed within the same subject framework as in the previous survey (Smithson, 1989). I Instrumentation and techniquesInstrumentation of the meso-and microscales can range from satellite sensing down to eddy correlation methods used almost in contact with the ground surface.

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confidence: 99%

Micro- and mesoclimatology

Smithson

1990

Progress in Physical Geography: Earth and Environment

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Flow and dispersion of pollutants within two-dimensional valleys

Snyder

Khurshudyan

Nekrasov³

et al. 1991

Atmospheric Environment. Part A. General Topics

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Nighttime Valley Waves

1991

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Smoke Flow Visualization in a Tributary of a Deep Valley

Cited by 3 publications

References 5 publications

Micro- and mesoclimatology

Micro- and mesoclimatology

Flow and dispersion of pollutants within two-dimensional valleys

Nighttime Valley Waves

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