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Carbon monoxide measurements at Mace Head, IrelandThe North Atlantic Ocean is bordered by continents which may each, under the influence of seasonal weather patterns, act as sources of natural and anthropogenic trace gas and particulate species. Photochemically active species such as carbon monoxide (CO) react to form ozone (O3), a species of critical importance in global climate change. CO is sparingly soluble in water, and the relatively long lifetime of CO in the troposphere makes this species an ideal tracer of air masses with origin over land. We have measured CO using a nondispersive infrared gas filter correlation analyzer at Mace Head on the west coast of Ireland nearly continuously since August 9, 1991. Measurements of CO were acquired at 20-sec resolution and recorded as 60-sec averages. Daily, monthly, and diurnal variation data characteristics of CO mixing ratios observed at this site are reported. Depending on source regions of air parcels passing over this site, 60-min concentrations of CO range from clean air values of approximately 90 ppbv to values in excess of 300 ppbv. Data characterizing the correlation between 60-min CO and O3 mixing ratio data observed at this site are reported also.
Document ID
19950004210
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Doddridge, Bruce G. (Maryland Univ. College Park, MD, United States)
Dickerson, Russell R. (Maryland Univ. College Park, MD, United States)
Spain, T. Gerard (Maryland Univ. College Park, MD, United States)
Oltmans, Samuel J. (Maryland Univ. College Park, MD, United States)
Novelli, Paul C. (Maryland Univ. College Park, MD, United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1994
Publication Information
Publication: NASA. Goddard Space Flight Center, Ozone in the Troposphere and Stratosphere, Part 1
Subject Category
Environment Pollution
Accession Number
95N10622
Funding Number(s)
CONTRACT_GRANT: NOAA-NA-16RC0463
CONTRACT_GRANT: NSF ATM-90-14841
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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