Nocturnal Wind Direction Shear and Its Potential Impact on Pollutant Transport

Nocturnal Wind Direction Shear and Its Potential Impact on Pollutant Transport

The potential effects of vertical wind direction shear on pollutant transport at a complicated, semiarid site are examined using tower measurements. This high-elevation site is situated on a sloping plateau between mountains to the west and a river valley to the east. The local climate, which favors...

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Veröffentlicht in:Journal of applied meteorology (1988) 2000-03, Vol.39 (3), p.437-445
Hauptverfasser: Bowen, Brent M., Baars, Jeffrey A., Stone, Gregory L.
Format: Artikel
Sprache:eng
Schlagworte:
Atmospherics
Fluid shear
Meteors
Plateaus
Plumes
Pollution transport
Sloping terrain
Valleys
Wind direction
Wind velocity
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Beschreibung
Zusammenfassung:The potential effects of vertical wind direction shear on pollutant transport at a complicated, semiarid site are examined using tower measurements. This high-elevation site is situated on a sloping plateau between mountains to the west and a river valley to the east. The local climate, which favors clear skies, low humidity, and light winds, permits terrain-generated winds to develop frequently. During the night, winds that are oriented along the valley frequently overlie shallow (
ISSN:0894-8763
1520-0450
DOI:10.1175/1520-0450(2000)039<0437:NWDSAI>2.0.CO;2