Ozone Precursor Monitoring and Analysis2003In general, ozone wil
「Ozone Precursor Monitoring and Analysis2003In general, ozone wil」於資料集「EPQSummary_EnvironmentalInformationSystem」由單位「行政院環境保護署」的陳先生所提供，聯繫電話是02-2311-7722#2386，最近更新時間為：2023-07-30 01:01:46。 欄位Project Title的內容是Ozone Precursor Monitoring and Analysis ， 欄位Project Subject的內容是In general, ozone will be formed in suburban area or downstream of industrial area due to the transport and reactions of the air pollutants. The entire environmental conditions are quite complicated and it is difficult to identify the environmental condition that ozone is formed. However, the developments of high resolution photochemical model which include the physical-chemical parameters like photochemical reactions, transport, precipitations and emission will be helpful to verify the sources and reactions of ozone pollution.
In this study, a high resolution air quality model will be used to study the characteristics of the temporal and spatial ozone distribution in Taiwan. The concentrations of the ozone precursors obtained by the PAMS will be compared to evaluate the photochemical reactions in areas with high ozone concentrations. The roles of sources, geographic factors and meteorological conditions in ozone pollution will be studied. Specific objectives of this study are:
(1)to conduct data analysis and model simulations on VOCs data obtained from PAMS.
(2)to study the correlations between the VOCs data and the ozone episodes.
(3)to evaluate the potential applications and interpretations of the air quality data obtained from PAMS.
(4)to provide recommendations for the air quality predictions.
The results revealed that the most important VOCs observed are Toluene、iso-Butene、Ethane、Propane、Ethene、iso-prene、Acetylene and n-Butane. In general, the ozone concentration increases several hours after the VOCs concentrations in PANS reach their maximum concentrations. However, the photochemical process is a highly complicated reaction. Although higher VOC concentrations may favor the ozone formation, several cases demonstrated that ozone episodes may be observed even when the concentrations of VOCs in PAMS are low. It is essential to monitor both the concentrations of VOCs and NOx, and the meteorological conditions should be evaluated for possible predictions of ozone episodes. ， 欄位Project Year的內容是2003 ， 欄位Organizer的內容是Department of Environmental Monitoring ＆amp; Information Management ， 欄位Executive Unit的內容是台灣大學公共衛生系 ， 欄位Reporting download URL的內容是https://epq.epa.gov.tw/ProjectDoc/FileDownload?fid=2442&proj_id=A000000320987&doc_kind=1 ， 欄位Publish Date的內容是20040301 。
Project Title
Ozone Precursor Monitoring and Analysis
Project Subject
In general, ozone will be formed in suburban area or downstream of industrial area due to the transport and reactions of the air pollutants. The entire environmental conditions are quite complicated and it is difficult to identify the environmental condition that ozone is formed. However, the developments of high resolution photochemical model which include the physical-chemical parameters like photochemical reactions, transport, precipitations and emission will be helpful to verify the sources and reactions of ozone pollution. In this study, a high resolution air quality model will be used to study the characteristics of the temporal and spatial ozone distribution in Taiwan. The concentrations of the ozone precursors obtained by the PAMS will be compared to evaluate the photochemical reactions in areas with high ozone concentrations. The roles of sources, geographic factors and meteorological conditions in ozone pollution will be studied. Specific objectives of this study are: (1)to conduct data analysis and model simulations on VOCs data obtained from PAMS. (2)to study the correlations between the VOCs data and the ozone episodes. (3)to evaluate the potential applications and interpretations of the air quality data obtained from PAMS. (4)to provide recommendations for the air quality predictions. The results revealed that the most important VOCs observed are Toluene、iso-Butene、Ethane、Propane、Ethene、iso-prene、Acetylene and n-Butane. In general, the ozone concentration increases several hours after the VOCs concentrations in PANS reach their maximum concentrations. However, the photochemical process is a highly complicated reaction. Although higher VOC concentrations may favor the ozone formation, several cases demonstrated that ozone episodes may be observed even when the concentrations of VOCs in PAMS are low. It is essential to monitor both the concentrations of VOCs and NOx, and the meteorological conditions should be evaluated for possible predictions of ozone episodes.
Project Year
2003
Organizer
Department of Environmental Monitoring ＆amp; Information Management
Executive Unit
台灣大學公共衛生系
Reporting download URL
https://epq.epa.gov.tw/ProjectDoc/FileDownload?fid=2442&proj_id=A000000320987&doc_kind=1
Publish Date
20040301
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