Inter-comparison between chambers for CO2 flux measurements over sea ice
In order to validate the difference of air-sea ice CO2 flux measurements by different types of CO2 chamber, inter-comparison experiments were carried out on winter Antarctic pack ice in the Weddell Sea (R.V. Polarstern AWECS cruise, July-August 2013). Our ultimate goal is to understand the methodolo...
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ftorbi:oai:orbi.ulg.ac.be:2268/232376 2024-04-21T07:52:32+00:00 Inter-comparison between chambers for CO2 flux measurements over sea ice Nomura, D. Delille, Bruno Tison, Jean-Louis Dieckmann, G.S. FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège 2018-06-20 https://orbi.uliege.be/handle/2268/232376 en eng https://orbi.uliege.be/handle/2268/232376 info:hdl:2268/232376 Open Science Conference POLAR2018, Davos, Switzerland [CH], 18-23 June 2018 Physical chemical mathematical & earth Sciences Earth sciences & physical geography Physique chimie mathématiques & sciences de la terre Sciences de la terre & géographie physique conference poster not in proceedings http://purl.org/coar/resource_type/c_18co info:eu-repo/semantics/conferencePoster 2018 ftorbi 2024-03-27T14:50:12Z In order to validate the difference of air-sea ice CO2 flux measurements by different types of CO2 chamber, inter-comparison experiments were carried out on winter Antarctic pack ice in the Weddell Sea (R.V. Polarstern AWECS cruise, July-August 2013). Our ultimate goal is to understand the methodological gaps for the CO2 flux measurements betweem chamber and eddy covariance methods over sea ice as an activity for SCOR Working Group 152 (ECV-Ice). Two kinds of CO2 chamber systems were used: semi-automated CO2 chambers developed at Hokkaido University and automated long-term CO2 chambers (Li-8100A, LI-COR Biosciences, USA). These chambers were installed at the same ice/snow surface conditions within a 2-m × 2-m area. Based on the quantitative comparisons using least squares linear regression analyses, slope was 1.08, suggesting that the airsea ice CO2 flux from two chambers were good agreement. Therefore, our inter-comparison experiments confirmed that there was no instrumental bias between two chambers, thereby the past data for air-sea ice CO2 flux obtained by each chamber's group in the world polar oceans could be shared. Conference Object Antarc* Antarctic Sea ice Weddell Sea University of Liège: ORBi (Open Repository and Bibliography) |
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Open Polar |
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University of Liège: ORBi (Open Repository and Bibliography) |
op_collection_id |
ftorbi |
language |
English |
topic |
Physical chemical mathematical & earth Sciences Earth sciences & physical geography Physique chimie mathématiques & sciences de la terre Sciences de la terre & géographie physique |
spellingShingle |
Physical chemical mathematical & earth Sciences Earth sciences & physical geography Physique chimie mathématiques & sciences de la terre Sciences de la terre & géographie physique Nomura, D. Delille, Bruno Tison, Jean-Louis Dieckmann, G.S. Inter-comparison between chambers for CO2 flux measurements over sea ice |
topic_facet |
Physical chemical mathematical & earth Sciences Earth sciences & physical geography Physique chimie mathématiques & sciences de la terre Sciences de la terre & géographie physique |
description |
In order to validate the difference of air-sea ice CO2 flux measurements by different types of CO2 chamber, inter-comparison experiments were carried out on winter Antarctic pack ice in the Weddell Sea (R.V. Polarstern AWECS cruise, July-August 2013). Our ultimate goal is to understand the methodological gaps for the CO2 flux measurements betweem chamber and eddy covariance methods over sea ice as an activity for SCOR Working Group 152 (ECV-Ice). Two kinds of CO2 chamber systems were used: semi-automated CO2 chambers developed at Hokkaido University and automated long-term CO2 chambers (Li-8100A, LI-COR Biosciences, USA). These chambers were installed at the same ice/snow surface conditions within a 2-m × 2-m area. Based on the quantitative comparisons using least squares linear regression analyses, slope was 1.08, suggesting that the airsea ice CO2 flux from two chambers were good agreement. Therefore, our inter-comparison experiments confirmed that there was no instrumental bias between two chambers, thereby the past data for air-sea ice CO2 flux obtained by each chamber's group in the world polar oceans could be shared. |
author2 |
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège |
format |
Conference Object |
author |
Nomura, D. Delille, Bruno Tison, Jean-Louis Dieckmann, G.S. |
author_facet |
Nomura, D. Delille, Bruno Tison, Jean-Louis Dieckmann, G.S. |
author_sort |
Nomura, D. |
title |
Inter-comparison between chambers for CO2 flux measurements over sea ice |
title_short |
Inter-comparison between chambers for CO2 flux measurements over sea ice |
title_full |
Inter-comparison between chambers for CO2 flux measurements over sea ice |
title_fullStr |
Inter-comparison between chambers for CO2 flux measurements over sea ice |
title_full_unstemmed |
Inter-comparison between chambers for CO2 flux measurements over sea ice |
title_sort |
inter-comparison between chambers for co2 flux measurements over sea ice |
publishDate |
2018 |
url |
https://orbi.uliege.be/handle/2268/232376 |
genre |
Antarc* Antarctic Sea ice Weddell Sea |
genre_facet |
Antarc* Antarctic Sea ice Weddell Sea |
op_source |
Open Science Conference POLAR2018, Davos, Switzerland [CH], 18-23 June 2018 |
op_relation |
https://orbi.uliege.be/handle/2268/232376 info:hdl:2268/232376 |
_version_ |
1796935758220623872 |