Comparison of Aerosol Properties within and above the ABL at the ARM Program's SGP Site

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The goal of this study was to determine under what conditions, if any, measurements of aerosol properties made at the Earth's surface are representative of the aerosol properties within the column of air above the surface. This project used data from the Atmospheric Radiation Measurement (ARM) site at the Southern Great Plains (SGP) site (Stokes and Schwartz 1994), which is one of the only locations in the world where ground-based and in situ airborne measurements of atmospheric aerosol are made on a routine basis. All flight legs in the one-year period from March 2000 to March 2001 were categorized as ... continued below

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269 Kilobytes pages

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Monache, L.D.; Perry, K.D. & Cederwall, R.T. February 26, 2002.

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Description

The goal of this study was to determine under what conditions, if any, measurements of aerosol properties made at the Earth's surface are representative of the aerosol properties within the column of air above the surface. This project used data from the Atmospheric Radiation Measurement (ARM) site at the Southern Great Plains (SGP) site (Stokes and Schwartz 1994), which is one of the only locations in the world where ground-based and in situ airborne measurements of atmospheric aerosol are made on a routine basis. All flight legs in the one-year period from March 2000 to March 2001 were categorized as either within or above the atmospheric boundary layer (ABL) using an objective mixing height determination technique. The correlations between the aerosol properties measured at the surface and those measured within and above the ABL were then computed. The conclusion of this comparison is that the aerosol extensive properties (those that depend upon the amount of aerosol that is present in the atmosphere, i.e., either the number or mass concentrations), and intensive properties (those that do not depend upon the amount of aerosol present) measured at the surface are representative of values within the ABL, but not within the free atmosphere.

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269 Kilobytes pages

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  • 12th Joint Conference on the Applications of Air Pollution Meteorology with the Air and Waste Management Association, Norfolk, VA (US), 05/20/2002--05/24/2002

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  • Report No.: UCRL-JC-146711
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 802874
  • Archival Resource Key: ark:/67531/metadc742191

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

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  • February 26, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • May 6, 2016, 3:16 p.m.

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Monache, L.D.; Perry, K.D. & Cederwall, R.T. Comparison of Aerosol Properties within and above the ABL at the ARM Program's SGP Site, article, February 26, 2002; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc742191/: accessed November 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.