DOI: 10.1016/j.atmosenv.2014.07.063
Scopus记录号: 2-s2.0-84908587542
论文题名: New atmospheric composition observations in the Karakorum region: Influence of local emissions and large-scale circulation during a summer field campaign
作者: Putero D ; , Cristofanelli P ; , Laj P ; , Marinoni A ; , Villani P ; , Broquet A ; , Alborghetti M ; , Bonafè U ; , Calzolari F ; , Duchi R ; , Landi T ; C ; , Verza G ; P ; , Vuillermoz E ; , Bonasoni P
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 97 起始页码: 75
结束页码: 82
语种: 英语
英文关键词: Aerosol particles
; Anthropogenic pollution
; Carbon dioxide
; Karakorum
; Surface ozone
Scopus关键词: Aerosol particles
; Anthropogenic pollution
; Field campaign
; Karakorum
; Large-scale circulation
; Local emissions
; Surface ozone
; Carbon dioxide
; carbon dioxide
; ozone
; aerosol composition
; anthropogenic effect
; carbon dioxide
; climate forcing
; domestic work
; field survey
; meteorology
; ozone
; aerosol
; Article
; carbon dioxide variability
; combustion
; cooking
; environmental parameters
; field experiment
; glacier
; meteorology
; night
; Pakistan
; short lived climate forcer
; summer
; surface property
; wind
; Karakoram
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: In this work we provide an overview of short lived climate forcers (SLCFs) and carbon dioxide variability in the Karakorum, by presenting results deriving from a field campaign carried out at Askole (3015ma.s.l., Pakistan Northern Areas), by Baltoro glacier. By using an innovative embedded and transportable system, continuous measurements of aerosol particle number concentration (Np, 1571±2670cm-3), surface ozone (O3, 31.7±10.4nmol/mol), carbon dioxide (CO2, 394.3±6.9μmol/mol) and meteorological parameters have been performed from August 20th to November 10th 2012. The domestic combustion from the Askole village emerged as a possible systematic source of contamination in the valley, with short-lasting pollution events probably related to domestic cooking activities characterized by high values of Np (6066±5903cm-3). By excluding these local contamination events, mountain thermal wind regime dominated the diurnal variability of Np, O3 and CO2. In comparison to night-time, we observed higher Np (+354cm-3) and O3 (+7nmol/mol) but lower CO2 (-8μmol/mol) in air-masses coming from the lower valley during the central part of the day. Part of the day-to-day atmospheric composition variability can be also ascribed to synoptic circulation variability, as observed by using HYSPLIT 5-day back-trajectories. © 2014 The Authors. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/80986
Appears in Collections: 气候变化事实与影响
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作者单位: Inst. of Atmospheric Sciences and Climate - National Research Council of Italy, Via Gobetti 101, Bologna, Italy; Ev-K2-CNR Committe, Via S. Bernardino 145, Bergamo, Italy; Univ. Grenoble Alpes, CNRS, LGGE, Grenoble, France
Recommended Citation:
Putero D,, Cristofanelli P,, Laj P,et al. New atmospheric composition observations in the Karakorum region: Influence of local emissions and large-scale circulation during a summer field campaign[J]. Atmospheric Environment,2014-01-01,97