globalchange  > 气候变化与战略
DOI: 10.1016/j.atmosenv.2020.117531
论文题名:
Seasonal cycles in baseline mixing ratios of a large number of trace gases at the Mace Head, Ireland atmospheric research station
作者: Derwent R.; Parrish D.; Simmonds P.G.; O'Doherty S.J.; Spain T.G.
刊名: Atmospheric Environment
ISSN: 1352-2310
出版年: 2020
卷: 233
语种: 英语
英文关键词: Atmospheric chemistry ; Chlorine compounds ; Climatology ; Mixing ; Atlantic Ocean ; Atmospheric lifetime ; Atmospheric research ; Global chemistry transport model ; Long term change ; Mixing ratios ; Relative amplitude ; Seasonal cycle ; Gases ; carbon tetrachloride ; deuterium ; hydroxyl radical ; methane ; ozone ; trace element ; amplitude ; baseline conditions ; coast ; performance assessment ; seasonal variation ; trace gas ; air pollution ; amplitude modulation ; Article ; Atlantic Ocean ; atmosphere ; atmospheric transport ; environmental monitoring ; Europe ; gas ; Ireland ; lifespan ; ozone depletion ; ozone layer ; priority journal ; seasonal variation ; spring ; troposphere ; Atlantic Ocean ; Connacht ; Galway [(CNT) Connacht] ; Ireland ; Mace Head
学科: Baseline mixing ratios ; Seasonal cycle amplitudes ; Seasonal cycle phases ; Trace gases
中文摘要: A flexible approach for quantifying average long-term changes and seasonal cycles has been applied to the baseline mixing ratios of thirty-two trace gases monitored at the Atmospheric Research Station located at Mace Head, Ireland on the Atlantic Ocean coastline of Europe. Almost all these trace gases exhibit minima in their baseline seasonal cycles during a two-month period from mid-July to the end of September and maxima during a six-month period between November and May. Relative seasonal cycle amplitudes are largest for those trace gases with the shortest atmospheric lifetimes and smallest for the longest. Robust relationships were found between the timings of the seasonal maxima and minima and their relative amplitudes with the atmospheric lifetimes of the trace gases. These relationships provide a basis for understanding the reasons that the seasonal cycles of a few species (that is, H2, CCl4 and the longest-lived gases) deviate significantly; they also have excellent potential as tools to assess global chemistry-transport model performance. © 2020 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/160736
Appears in Collections:气候变化与战略

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作者单位: rdscientific, Newbury, Berkshire RG14 6LH, United Kingdom; David D. Parrish, LLC, Boulder, CO, United States; School of Chemistry, University of Bristol, Bristol, United Kingdom; School of Physics, National University of Ireland Galway, Galway, Ireland

Recommended Citation:
Derwent R.,Parrish D.,Simmonds P.G.,et al. Seasonal cycles in baseline mixing ratios of a large number of trace gases at the Mace Head, Ireland atmospheric research station[J]. Atmospheric Environment,2020-01-01,233
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