The seasonal cycles and photochemistry of C-2-C-5 alkanes at Mace Head

Emma L. Yates; Richard G. Derwent; Peter G. Simmonds; Brian R. Greally; Simon O'Doherty; Dudley E. Shallcross

doi:10.1016/j.atmosenv.2010.04.043

The seasonal cycles and photochemistry of C-2-C-5 alkanes at Mace Head

Emma L. Yates, Richard G. Derwent, Peter G. Simmonds, Brian R. Greally, Simon O'Doherty, Dudley E. Shallcross

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

Continuous in-situ measurements of NMHCs at Mace Head, Ireland during two full annual cycles from January 2005 to January 2007 were used to investigate NMHC emission sources and transport including dilution and photochemical oxidation. The Mace Head research station is ideally located to sample a wide range of air masses including polluted European transport, clean North Atlantic and Arctic air masses and the ultra-clean, Southern Atlantic air masses. The variety in air mass sampling is used to investigate interaction of emissions, transport, dilution and photochemistry. Variability of long-lived hydrocarbon ratios is used to assess and estimate typical transport times from emission source to the Mace Head receptor. Seasonality in the ratios of isomeric alkane pairs (for butane and pentanes) are used to assess the effects of atmospheric transport and photochemical ageing. Finally, the natural logarithms of NMHC ratios are used to assess photochemical oxidation. (C) 2010 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	2705-2713
Number of pages	9
Journal	Atmospheric Environment
Volume	44
Issue number	23
DOIs	https://doi.org/10.1016/j.atmosenv.2010.04.043
Publication status	Published - Jul 2010

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QUEST DEGLACIATION: CLIMATE AND BIOGEOCHEMICAL CYCLES DURING THE LAST DEGLACIATION
Shallcross, D. E. (Principal Investigator)
1/07/06 → 1/07/09
Project: Research

Cite this

@article{3648c0b0a67f4956b09163c44202cc52,

title = "The seasonal cycles and photochemistry of C-2-C-5 alkanes at Mace Head",

abstract = "Continuous in-situ measurements of NMHCs at Mace Head, Ireland during two full annual cycles from January 2005 to January 2007 were used to investigate NMHC emission sources and transport including dilution and photochemical oxidation. The Mace Head research station is ideally located to sample a wide range of air masses including polluted European transport, clean North Atlantic and Arctic air masses and the ultra-clean, Southern Atlantic air masses. The variety in air mass sampling is used to investigate interaction of emissions, transport, dilution and photochemistry. Variability of long-lived hydrocarbon ratios is used to assess and estimate typical transport times from emission source to the Mace Head receptor. Seasonality in the ratios of isomeric alkane pairs (for butane and pentanes) are used to assess the effects of atmospheric transport and photochemical ageing. Finally, the natural logarithms of NMHC ratios are used to assess photochemical oxidation. (C) 2010 Elsevier Ltd. All rights reserved.",

author = "Yates, {Emma L.} and Derwent, {Richard G.} and Simmonds, {Peter G.} and Greally, {Brian R.} and Simon O'Doherty and Shallcross, {Dudley E.}",

year = "2010",

month = jul,

doi = "10.1016/j.atmosenv.2010.04.043",

language = "English",

volume = "44",

pages = "2705--2713",

journal = "Atmospheric Environment",

issn = "1352-2310",

publisher = "Elsevier",

number = "23",

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TY - JOUR

T1 - The seasonal cycles and photochemistry of C-2-C-5 alkanes at Mace Head

AU - Yates, Emma L.

AU - Derwent, Richard G.

AU - Simmonds, Peter G.

AU - Greally, Brian R.

AU - O'Doherty, Simon

AU - Shallcross, Dudley E.

PY - 2010/7

Y1 - 2010/7

N2 - Continuous in-situ measurements of NMHCs at Mace Head, Ireland during two full annual cycles from January 2005 to January 2007 were used to investigate NMHC emission sources and transport including dilution and photochemical oxidation. The Mace Head research station is ideally located to sample a wide range of air masses including polluted European transport, clean North Atlantic and Arctic air masses and the ultra-clean, Southern Atlantic air masses. The variety in air mass sampling is used to investigate interaction of emissions, transport, dilution and photochemistry. Variability of long-lived hydrocarbon ratios is used to assess and estimate typical transport times from emission source to the Mace Head receptor. Seasonality in the ratios of isomeric alkane pairs (for butane and pentanes) are used to assess the effects of atmospheric transport and photochemical ageing. Finally, the natural logarithms of NMHC ratios are used to assess photochemical oxidation. (C) 2010 Elsevier Ltd. All rights reserved.

AB - Continuous in-situ measurements of NMHCs at Mace Head, Ireland during two full annual cycles from January 2005 to January 2007 were used to investigate NMHC emission sources and transport including dilution and photochemical oxidation. The Mace Head research station is ideally located to sample a wide range of air masses including polluted European transport, clean North Atlantic and Arctic air masses and the ultra-clean, Southern Atlantic air masses. The variety in air mass sampling is used to investigate interaction of emissions, transport, dilution and photochemistry. Variability of long-lived hydrocarbon ratios is used to assess and estimate typical transport times from emission source to the Mace Head receptor. Seasonality in the ratios of isomeric alkane pairs (for butane and pentanes) are used to assess the effects of atmospheric transport and photochemical ageing. Finally, the natural logarithms of NMHC ratios are used to assess photochemical oxidation. (C) 2010 Elsevier Ltd. All rights reserved.

U2 - 10.1016/j.atmosenv.2010.04.043

DO - 10.1016/j.atmosenv.2010.04.043

M3 - Article (Academic Journal)

SN - 1352-2310

VL - 44

SP - 2705

EP - 2713

JO - Atmospheric Environment

JF - Atmospheric Environment

IS - 23

ER -

The seasonal cycles and photochemistry of C-2-C-5 alkanes at Mace Head

Abstract

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QUEST DEGLACIATION: CLIMATE AND BIOGEOCHEMICAL CYCLES DURING THE LAST DEGLACIATION

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