Continuous measurements of atmospheric oxygen and carbon dioxide on a North Sea gas platform

van der Laan-Luijkx, I. T., Neubert, R. E. M., van der Laan, S. and Meijer, H. A. J. (2010) Continuous measurements of atmospheric oxygen and carbon dioxide on a North Sea gas platform. Atmospheric Measurement Techniques, 3 (1). pp. 113-125. ISSN 1867-1381

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Abstract

A new atmospheric measurement station has been established on the North Sea oil and gas production platform F3, 200 km north off the Dutch coast (54 degrees 51' N, 4 degrees 44' E). Atmospheric concentrations of O(2) and CO(2) are continuously measured using fuel cell technology and compact infrared absorption instruments, respectively. Furthermore, the station includes an automated air flask sampler for laboratory analysis of the atmospheric concentrations of CO(2), CH(4), CO and O(2) and isotope measurements of delta(13)C, delta(18)O and Delta(14)C from CO(2). This station is the first fixed sea based station with on-site continuous O(2) and CO(2) measurements and therefore yields valuable information about the CO(2) uptake in coastal marine regions, specifically the North Sea. This paper presents the measurement station and the used methodologies in detail. In comparison to land-based stations, the data show low day-to-day variability, as they are practically free of nightly inversions as well as human influences, due to the station's remoteness. Therefore, the data set collected at this measurement station serves directly as background data for the coastal northwest European region. Additionally, the first data are presented showing the seasonal cycle as expected during August 2008 through June 2009. Furthermore, some short-term O(2) and CO(2) signals are presented. The observations at the platform include several large and fast changing negative atmospheric O(2) excursions without an accompanying change in the CO(2) signal, which most likely indicate marine O(2) uptake.

Item Type: Article
Additional Information: © Author(s) 2010. This work is distributed under the Creative Commons Attribution 3.0 License.
Uncontrolled Keywords: n-2 ratio,co2,air,o-2,cycle,sinks,analyzer,trend
Faculty \ School: Faculty of Science > School of Environmental Sciences
Depositing User: Pure Connector
Date Deposited: 08 Dec 2015 17:01
Last Modified: 24 Jul 2019 21:37
URI: https://ueaeprints.uea.ac.uk/id/eprint/55734
DOI: 10.5194/amt-3-113-2010

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