globalchange  > 影响、适应和脆弱性
DOI: 10.5194/tc-8-853-2014
Scopus记录号: 2-s2.0-84900384128
论文题名:
Parameterization of atmosphere-surface exchange of CO2 over sea ice
作者: Sørensen L; L; , Jensen B; , Glud R; N; , McGinnis D; F; , Sejr M; K; , Sievers J; , Søgaard D; H; , Tison J; -L; , Rysgaard S
刊名: Cryosphere
ISSN: 19940416
出版年: 2014
卷: 8, 期:3
起始页码: 853
结束页码: 866
语种: 英语
英文关键词: carbon dioxide ; heat flux ; parameterization ; sea ice ; snow cover
英文摘要: We suggest the application of a flux parameterization commonly used over terrestrial areas for calculation of CO2 fluxes over sea ice surfaces. The parameterization is based on resistance analogy. We present a concept for parameterization of the CO2 fluxes over sea ice suggesting to use properties of the atmosphere and sea ice surface that can be measured or calculated on a routine basis. Parameters, which can be used in the conceptual model, are analysed based on data sampled from a seasonal fast-ice area, and the different variables influencing the exchange of CO2 between the atmosphere and ice are discussed. We found the flux to be small during the late winter with fluxes in both directions. Not surprisingly we find that the resistance across the surface controls the fluxes and detailed knowledge of the brine volume and carbon chemistry within the brines as well as knowledge of snow cover and carbon chemistry in the ice are essential to estimate the partial pressure of pCO2 and CO2 flux. Further investigations of surface structure and snow cover and driving parameters such as heat flux, radiation, ice temperature and brine processes are required to adequately parameterize the surface resistance. © Author(s) 2014.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/74850
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark; Arctic Research Centre, Aarhus University, C.F. Møllers Alle 8, 8000 Aarhus, Denmark; Greenland Climate Research Centre, C/o Greenland Institute of Natural Resources, Box 570, Nuuk, Greenland; Centre for Earth Observation Science, CHR Faculty of Environment Earth and Resources, University of Manitoba, 499 Wallace Building, Winnipeg, MB R3T 2N2, Canada; University of Southern Denmark, NordCEE, Campusvej 55, 5230 Odense M, Denmark; Scottish Marine Institute, Scottish Association of Marine Science, Oban, United Kingdom; Helmholtz Centre for Ocean Research Kiel, GEOMAR, Wischhofstrasse 1-3, 24148 Kiel, Germany; Laboratoire de Glaciologie, Université Libre de Bruxelles, Belgium

Recommended Citation:
Sørensen L,L,, Jensen B,et al. Parameterization of atmosphere-surface exchange of CO2 over sea ice[J]. Cryosphere,2014-01-01,8(3)
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