DOI: 10.1016/j.atmosenv.2015.05.006
Scopus记录号: 2-s2.0-84928954292
论文题名: Measurement of cloud condensation nuclei (CCN) and CCN closure at Mt. Huang based on hygroscopic growth factors and aerosol number-size distribution
作者: Miao Q ; , Zhang Z ; , Li Y ; , Qin X ; , Xu B ; , Yuan Y ; , Gao Z
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 113 起始页码: 127
结束页码: 134
语种: 英语
英文关键词: Activation
; Closure
; Cloud condensation nuclei
; HTDMA
; Mt. Huang
Scopus关键词: Aerosols
; Chemical activation
; Condensation
; Precipitation (meteorology)
; Sea level
; Size distribution
; Aerosol number size distribution
; Closure
; Cloud condensation nuclei
; HTDMA
; Hygroscopic growth factor
; Mt. Huang
; Particle number size distribution
; Spatial and temporal distribution
; Particle size analysis
; hygroscopic growth factor
; miscellaneous drugs and agents
; unclassified drug
; water
; aerosol
; albedo
; cloud
; concentration (composition)
; condensation
; hygroscopicity
; longevity
; particle size
; precipitation (climatology)
; radiative forcing
; size distribution
; spatiotemporal analysis
; accuracy
; aerosol
; Article
; boundary layer
; chemical composition
; cloud condensation nuclei
; concentration (parameters)
; dispersion
; geographic and geological phenomena
; humidity
; measurement
; meteorology
; molecular weight
; mountain
; particle size
; precipitation
; priority journal
; time series analysis
; wind
; Anhui
; China
; Mount Huang
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: The number of cloud condensation nuclei (CCN) may indirectly influence the radiative balance of the atmosphere by changing the number of cloud droplets, which in turn changes the albedo, longevity and precipitation intensity of clouds. The spatial and temporal distribution of the CCN concentrations and the influence of particles on CCN activation spectra have received much attention. Measurements of CCN concentrations, aerosol number-size distribution and hygroscopic growth factors were conducted during the periods June 30 to July 17 and July 24 to 28, 2014, at the peak of Mt. Huang (1840m above sea level). The results show that the CCN concentration were 419±414cm-3, 806±720cm-3, 1292±905cm-3, 1380±873cm-3, and 1506±867cm-3 at supersaturation levels of 0.1%, 0.2%, 0.5%, 0.7%, and 1%, respectively. The equation Nccn =N0 (1-exp(-BSk)) fits the average CCN spectrum over the observation period. The CCN concentrations were calculated from the hygroscopic growth factors and the aerosol number-size distribution. The calculated CCN concentrations and measured CCN concentrations show close correlation and high accuracy. An analysis of the variation in the particle number-size distribution and hygroscopic growth factors indicates that the change in particle number-size distribution is the primary factor affecting the CCN concentrations. © 2015 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81700
Appears in Collections: 气候变化事实与影响
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作者单位: Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Nanjing University of Information Science and Technology, Nanjing, China; Weather Modification Office in Liaoning Province, Shenyang, China; Anhui Weather Modification Office, Hefei, China; Huangshan Meteorological Administration, Huangshan, China
Recommended Citation:
Miao Q,, Zhang Z,, Li Y,et al. Measurement of cloud condensation nuclei (CCN) and CCN closure at Mt. Huang based on hygroscopic growth factors and aerosol number-size distribution[J]. Atmospheric Environment,2015-01-01,113