지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.10
- 수록면
- 534 - 544 (11page)
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이 논문의 연구 히스토리 (2)
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초록· 키워드
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The secondary aerosol forming potential of ambient air was first measured with the Potential Aerosol Mass(PAM) chamber at Gosan supersite on Jeju island from October 22 to November 5, 2010. PAM chamber is a small flowthrough photo-oxidation chamber with extremely high OH and O<sub>3</sub> levels. The OH exposure in the PAM chamber was (2±0.4)×10<sup>11</sup>~(6±1.2)×10<sup>11</sup> molecules cm<sup>-3</sup> s and was similar to 2 to 5 days of aging in the atmosphere. By periodically turning on and off UV lamps in the PAM chamber, ambient aerosol and newly formed aerosol (e.g.called as PAM aerosol) was alternately measured. Aerosol number and mass concentration in the range of 10~487 nm in diameter was measured by SMPS 3034. With UV lamps on, the nucleation mode particles smaller than 50 nm in diameters were formed. Their number concentration was greater than 105 cm-3, leading to increase in aerosol mass by 0~8 μg m<sup>-3</sup>. The variations of PAM and ambient aerosols were greatly dependent on characteristics of air masses such as precursor concentrations and degree of aging. This preliminary results suggests that PAM chamber is useful to assess the aerosol formation potential of air mass and its impact on the air quality. The further analysis of data with gaseous and particulate measurements will be done.
목차
Abstract
1. 서론
2. 연구방법
3. 결과 및 고찰
4. 결론
감사의 글
참고문헌
참고문헌 (22)
참고문헌 신청
1. [학술지(정기간행물)] - Alfarra, M.R / 2006 / A mass spectrometric study of secondary organic aerosols formed from the photooxidation of anthropogenic and biogenic precursors in a reaction chamber / Atmos. Chem. Phys 6 : 5279 ~ 5293
2. [학술지(정기간행물)] - Baltensperger, U / 2008 / Combined determination of the chemical composition and of health effects of secondary organic aerosols: the POLYSOA project / J. Aerosol Med. Pulm. Drug. Deliv 21 (1) : 145 ~ 154
3. [학술지(정기간행물)] - Carlton, A.G / 2009 / A review of Secondary Organic Aerosol (SOA) formation from isoprene / Atmos. Chem. Phys 9 : 4987 ~ 5005
4. [단행본] - Forster, P / 2007 / Changes in atmospheric constituents and in radiative forcing, in Climate Change 2007: Contribution of working group I to the fourth assessment report of the Intergovernmental Panel on Climate Change / Cambridge University Press : 158 ~ 170
5. [학술지(정기간행물)] - Gao, S / 2004 / Low-molecularweight and oligomeric components in secondary organic aerosol from the ozonolysis of cycloalkenes and alpha-pinene / J. Phys. Chem A108 : 10147 ~ 10164
2. [학술지(정기간행물)] - Baltensperger, U / 2008 / Combined determination of the chemical composition and of health effects of secondary organic aerosols: the POLYSOA project / J. Aerosol Med. Pulm. Drug. Deliv 21 (1) : 145 ~ 154
3. [학술지(정기간행물)] - Carlton, A.G / 2009 / A review of Secondary Organic Aerosol (SOA) formation from isoprene / Atmos. Chem. Phys 9 : 4987 ~ 5005
4. [단행본] - Forster, P / 2007 / Changes in atmospheric constituents and in radiative forcing, in Climate Change 2007: Contribution of working group I to the fourth assessment report of the Intergovernmental Panel on Climate Change / Cambridge University Press : 158 ~ 170
5. [학술지(정기간행물)] - Gao, S / 2004 / Low-molecularweight and oligomeric components in secondary organic aerosol from the ozonolysis of cycloalkenes and alpha-pinene / J. Phys. Chem A108 : 10147 ~ 10164
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UCI(KEPA) : I410-ECN-0101-2013-539-000954195