 |
| Titel |
Direct measurement of the oceanic carbon monoxide flux by eddy correlation |
| VerfasserIn |
B. W. Blomquist, C. W. Fairall, B. J. Huebert, S. T. Wilson |
| Medientyp |
Artikel
|
| Sprache |
Englisch
|
| ISSN |
1867-1381
|
| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Measurement Techniques ; 5, no. 12 ; Nr. 5, no. 12 (2012-12-18), S.3069-3075 |
| Datensatznummer |
250003212
|
| Publikation (Nr.) |
 copernicus.org/amt-5-3069-2012.pdf |
|
|
|
|
|
| Zusammenfassung |
| This report presents results from a field trial of ship-based air–sea
flux measurements of carbon monoxide (CO) by direct eddy
correlation with an infrared-laser trace gas analyzer. The analyzer
utilizes Off-Axis Integrated-Cavity-Output Spectroscopy (OA-ICOS) to
achieve high selectivity for CO, rapid response (~2 Hz)
and low noise. Over a two-day sea trial, peak daytime seawater
CO concentrations were ~1.5 nM and wind speeds were
consistently 10–12 m s−1. A clear diel cycle in
CO flux with an early afternoon maximum was observed. An
analysis of flux error suggests the effects of non-stationarity are important, and air–sea CO flux
measurements are best performed in regions remote from continental
pollution sources. |
| |
|
| Teil von |
|
|
|
|
|
|
|
|