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Composition, particle size, and sour...

Chuaybamroong, Paradee.

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Composition, particle size, and source of ambient aerosol in Alachua County, Florida.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Composition, particle size, and source of ambient aerosol in Alachua County, Florida./
作者:	Chuaybamroong, Paradee.
面頁冊數:	307 p.
附註:	Chair: Dale A. Lundgren.
Contained By:	Dissertation Abstracts International63-05B.
標題:	Engineering, Environmental. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3052342
ISBN:	0493672559

Composition, particle size, and source of ambient aerosol in Alachua County, Florida.
Chuaybamroong, Paradee.

Composition, particle size, and source of ambient aerosol in Alachua County, Florida. - 307 p.

Chair: Dale A. Lundgren.

Thesis (Ph.D.)--University of Florida, 2002.

Size fractionated samples of ambient particulate matter were collected using a Micro-orifice uniform deposit impactor (MOUDI) and a Dichotomous sampler at three sites within Alachua County, Florida, during the year 2000–2001. Particles from several major sources were also collected with a MOUDI. These samples were chemically analyzed for principal ions, carbon, and elements to help determine the major sources of these aerosols through the use of a chemical mass balance model (CMB8). Capillary electrophoresis, PIXE, and CNHS analyzer were used for ion analysis, elemental analysis, and carbon analysis, respectively. Variations by sampling site and season were also studied.

ISBN: 0493672559Subjects--Topical Terms:

783782
Engineering, Environmental.

Composition, particle size, and source of ambient aerosol in Alachua County, Florida.
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520 $a Size fractionated samples of ambient particulate matter were collected using a Micro-orifice uniform deposit impactor (MOUDI) and a Dichotomous sampler at three sites within Alachua County, Florida, during the year 2000–2001. Particles from several major sources were also collected with a MOUDI. These samples were chemically analyzed for principal ions, carbon, and elements to help determine the major sources of these aerosols through the use of a chemical mass balance model (CMB8). Capillary electrophoresis, PIXE, and CNHS analyzer were used for ion analysis, elemental analysis, and carbon analysis, respectively. Variations by sampling site and season were also studied.
520 $a Results revealed that ambient particles had a bimodal distribution with a major peak of 0.32 to 0.56 μm in the fine mode, and 3.2 to 5.6 μm in the coarse mode. PM 10 particles, averaged over all sites and seasons, consisted of 44% ions, 20% carbon, and 25% elements. Transportation and marine particles were major sources of fine particles for every season. Residential wood burning, cement plant, distillate oil furnace, and coal-fired power plant were additional sources in the spring. In summer, wood burning also became a major source.
520 $a There were several sources of coarse particles. The main sources were marine, cement plant/unpaved road, transportation, asphalt plant, distillate oil furnace, soil, and agricultural field burning. Site variation and diurnal variation were inconsistent and mainly depended on the meteorology of the day.
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