An observational study of turbulence in the SPBL

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Turbulence in the stable planetary boundary layer (SPBL) is complicated by intermittency, gravity waves, long time scales and meso-scale forcing. Surface features and topography are also important. This study examines turbulence near the top of the SPBL with data taken from a network of 61 m towers. The focus is on the role of moderately complex terrain on turbulent intermittency and spatial variation. The Savannah River Site is {approx}150 km from the Atlantic Ocean and is characterized by rolling forested hills and an average elevation of {approx}80 m ASL. Typical variations in elevation are 50 m (peak to valley) with ... continued below

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5 p.

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Kurzeja, R. September 1, 1997.

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Turbulence in the stable planetary boundary layer (SPBL) is complicated by intermittency, gravity waves, long time scales and meso-scale forcing. Surface features and topography are also important. This study examines turbulence near the top of the SPBL with data taken from a network of 61 m towers. The focus is on the role of moderately complex terrain on turbulent intermittency and spatial variation. The Savannah River Site is {approx}150 km from the Atlantic Ocean and is characterized by rolling forested hills and an average elevation of {approx}80 m ASL. Typical variations in elevation are 50 m (peak to valley) with a horizontal scale of several km. The most important topographic feature is the Savannah River flood plain, which borders the SRS to the southwest. This flood plain is 3-7 km wide with an average elevation of 40 m ASL. Nine 60 meter towers are located on the SRS, generally at higher elevations (81 - 109 m ASL), except for the D tower which is in the Savannah River flood plain (elevation 43 m ASL). The Cl tower differs from the other 8 towers because it collects data at 2, 18, and 36 m as well as 61 m. The TV tower, located 8 km northwest of the SRS, is instrumented at 8 levels from the surface to 300 m.

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5 p.

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OSTI as DE97008650

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  • 12. symposium on boundary layers and turbulence, Vancouver (Canada), 28 Jul - 1 Aug 1997

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  • Other: DE97008650
  • Report No.: WSRC-MS--97-0385
  • Report No.: CONF-970760--1
  • Grant Number: AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 526764
  • Archival Resource Key: ark:/67531/metadc692980

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • September 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 9, 2016, 6:01 p.m.

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Kurzeja, R. An observational study of turbulence in the SPBL, article, September 1, 1997; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc692980/: accessed January 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.