DOI: 10.1016/j.atmosenv.2013.11.030
Scopus记录号: 2-s2.0-84889578363
论文题名: Quantification of ozone reductions within the Saharan air layer through a 13-year climatologic analysis of ozone profiles
作者: Andrey J ; , Cuevas E ; , Parrondo M ; C ; , Alonso-Pérez S ; , Redondas A ; , Gil-Ojeda M
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 84 起始页码: 28
结束页码: 34
语种: 英语
英文关键词: Canary Islands
; Ozone
; Ozonesonde
; Saharan dust
Scopus关键词: Atmospheric aerosols
; Dust
; Meteorological instruments
; Ozone
; Aerosol optical depths
; Atmospheric conditions
; Canary islands
; Ozone sondes
; Precipitable water vapor
; Saharan dust
; Satellite spectrometers
; Vertical distributions
; Ozone layer
; ozone
; water
; aerosol
; clear sky
; climatology
; dust
; ground-based measurement
; mixing ratio
; optical depth
; ozone
; ozonesonde
; satellite data
; spectrometer
; vertical profile
; water content
; aerosol
; air analysis
; article
; dust
; ozone depletion
; ozone layer
; priority journal
; spectrometer
; summer
; water content
; water vapor
; Canary Islands
; Sahara
; Spain
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: Ozone (O3) reduction caused by dust particles is a challenging topic that has not been sufficiently investigated. Previous studies have provided limited quantification of O3, mainly based on case studies or short-term campaigns. In this paper, 157 O3 vertical profiles from ozone soundings launched from the Canary Islands over 13 summers are analyzed. Using aerosol optical depth as a discrimination tool, the data are classified into two groups: clean atmospheric conditions and dusty conditions under the presence of the Saharan Air Layer (SAL). The results show that ozone mixing ratios on SAL days are systematically lower than those during clean conditions, with a difference of as much as 35%. An analysis of independent total ozone columns from ground-based and satellite spectrometers confirm the observed O3 reductions. In addition, a vertical redistribution of the total water content takes place during these events. A comparison of the vertical shape of the O3 reductions with the vertical distribution of dust loading and precipitable water vapor shows that although O3 reductions occur in parts of the layer where the dust is present, a better correlation is found with the total amount of water present in the air. This finding suggests that the latter component plays a role in the observed O3 reduction within the SAL. © 2013 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/80939
Appears in Collections: 气候变化事实与影响
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作者单位: Instituto Nacional de Técnica Aeroespacial (INTA), Ctra. Ajalvir km. 4, 28850 Torrejn de Ardoz, Spain; Izaña Atmospheric Research Center (AEMET), C/La Marina 20, 38071 Sta. Cruz de Tenerife, Spain; Institute of Environmental Assessment and Water Research (CSIC), C/Lluis Sole i Sabars s/n, 08028 Barcelona, Spain
Recommended Citation:
Andrey J,, Cuevas E,, Parrondo M,et al. Quantification of ozone reductions within the Saharan air layer through a 13-year climatologic analysis of ozone profiles[J]. Atmospheric Environment,2014-01-01,84