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Sources and physical characteristics...

Cabada-Amaya, Juan Carlos.

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Sources and physical characteristics of atmospheric carbonaceous aerosols.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Sources and physical characteristics of atmospheric carbonaceous aerosols./
作者:	Cabada-Amaya, Juan Carlos.
面頁冊數:	178 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-06, Section: B, page: 2785.
Contained By:	Dissertation Abstracts International64-06B.
標題:	Engineering, Chemical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3095055

Sources and physical characteristics of atmospheric carbonaceous aerosols.
Cabada-Amaya, Juan Carlos.

Sources and physical characteristics of atmospheric carbonaceous aerosols. - 178 p.

Source: Dissertation Abstracts International, Volume: 64-06, Section: B, page: 2785.

Thesis (Ph.D.)--Carnegie Mellon University, 2003.

In this thesis the sources and the ambient physical characteristics of atmospheric carbonaceous aerosols are identified for the Pittsburgh region. The analysis is performed as a combination of intensive field sampling campaigns and the application of different aerosol modeling efforts.Subjects--Topical Terms:

1018531
Engineering, Chemical.

Sources and physical characteristics of atmospheric carbonaceous aerosols.
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500 $a Source: Dissertation Abstracts International, Volume: 64-06, Section: B, page: 2785.
500 $a Advisers: Spyros Pandis; Allen Robinson.
502 $a Thesis (Ph.D.)--Carnegie Mellon University, 2003.
520 $a In this thesis the sources and the ambient physical characteristics of atmospheric carbonaceous aerosols are identified for the Pittsburgh region. The analysis is performed as a combination of intensive field sampling campaigns and the application of different aerosol modeling efforts.
520 $a In the first section, an emissions inventory is developed to identify the main sources of organic and elemental carbon in the area and estimate the contributions of primary and secondary OC in the region. In the second section, a method (EC tracer) is developed to estimate the contributions of primary and secondary OC from data collected at the Pittsburgh Air Quality Study (PAQS). Reasonable agreement on the contribution of primary and secondary OC is obtained from the inventory approach and the application of the EC tracer method for the different seasons.
520 $a The physical characteristics of carbonaceous and other aerosols are determined from ambient size distribution data. Inferences about the sources and the physicochemical transformations of atmospheric aerosols in the Eastern US are established. Seasonal patterns for several size cuts are reported.
520 $a Finally, the optical properties of the aerosols are estimated from several approaches. The main causes of visibility degradation are identified and novel methods to estimate visibility impairment are introduced.
590 $a School code: 0041.
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650 4 $a Environmental Sciences. $3 676987
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