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
- 저널정보
- 한국기상학회 Asia-Pacific Journal of Atmospheric Sciences Journal of the Korean Meteorological Society Vol.42 No.4
- 발행연도
- 2006.8
- 수록면
- 253 - 263 (11page)
이용수
초록· 키워드
오류제보하기
Aerosol size distributions and size-resolved hygroscopic growth were measured using a differential mobility analyzer (DMA)/Tandem DMA (TDMA) system in Houston, Texas, during August and September 2004. Throughout this study, the DMA was used to characterize the size distribution of particles having diameters between 10 and 1000 ㎚, while the TDMA was used to measure the size-resolved hygroscopicity of particles with dry diameters of 10, 15, 20, 30, 50, 70, and 100 ㎚. The size distributions and aerosol hygroscopic properties derived from the TDMA data were combined to derive cloud condensation nuclei (CCN) spectra. The resulting derived CCN at 1.0%, 0.7%, and 0.3% critical supersaturations were analyzed, and the impact of aerosol sources on CCN properties was investigated. The median CCN concentrations at 1.0%, 0.7%, and 0.3% supersaturation were 3660, 2920, and 1470 cm?³, respectively, while the median ratios of CCN to condensation nuclei (CN) were 0.29, 0.23, and 0.11, respectively. The data were classified into three categories according to their backward trajectories. Among the 1140 pairs of DMA/TDMA-predicted CCN concentrations at various critical supersaturations, CCN concentrations increased for flows from the north and the east, and were larger than those of flows from the south due to the influence of the larger aerosol sources.
목차
Abstract
1. Introduction
2. Hygroscopic measurements
3. Extrapolation of growth factor to Sc (Critical supersaturation)
4. CCN spectra
5. Discussions and Summary
REFERENCES
참고문헌 (10)
참고문헌 신청
[학술지(정기간행물)] - / 2004 / Evidence for the formation of CN by photochemical processes in Mexico City 38 : 357 ~ 367
[학술지(정기간행물)] - / 1998 / Comparison of directly measured CCN with CN modeled from the number-size distribution in the marine boundary layer during ACE 1 at Cape Grim 103 : 16597 ~ 16608
[학술지(정기간행물)] - / 2006 / Coupling aerosol size distributions and size-resolved hygroscopicity to pre-dict humidity-dependent optical properties and CCN spectra 111 (D5)
[학술지(정기간행물)] - / 2004 / Integration of size distributions and size resolved hygroscopicity during the Houston supersite for compositional catego-rization of the aerosol 38 : 3285 ~ 3303
[학술지(정기간행물)] - / 1978 / Aerosol mobi-31 August 2006 YongSeob Le 263lity chromatograph - New detector for sulfuric-acid aerosols : 99 ~ 104
[학술지(정기간행물)] - / 1998 / Comparison of directly measured CCN with CN modeled from the number-size distribution in the marine boundary layer during ACE 1 at Cape Grim 103 : 16597 ~ 16608
[학술지(정기간행물)] - / 2006 / Coupling aerosol size distributions and size-resolved hygroscopicity to pre-dict humidity-dependent optical properties and CCN spectra 111 (D5)
[학술지(정기간행물)] - / 2004 / Integration of size distributions and size resolved hygroscopicity during the Houston supersite for compositional catego-rization of the aerosol 38 : 3285 ~ 3303
[학술지(정기간행물)] - / 1978 / Aerosol mobi-31 August 2006 YongSeob Le 263lity chromatograph - New detector for sulfuric-acid aerosols : 99 ~ 104
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UCI(KEPA) : I410-ECN-0101-2009-453-016239185