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  • 标题:A network model for characterizing brine channels in sea ice
  • 本地全文:下载
  • 作者:Ross M. Lieblappen ; Deip D. Kumar ; Scott D. Pauls
  • 期刊名称:The Cryosphere
  • 印刷版ISSN:1994-0416
  • 电子版ISSN:1994-0424
  • 出版年度:2018
  • 卷号:12
  • 期号:3
  • 页码:1013-1026
  • DOI:10.5194/tc-12-1013-2018
  • 出版社:Copernicus Publications
  • 摘要:The brine pore space in sea ice can form complex connected structures whose geometry is critical in the governance of important physical transport processes between the ocean, sea ice, and surface. Recent advances in three-dimensional imaging using X-ray micro-computed tomography have enabled the visualization and quantification of the brine network morphology and variability. Using imaging of first-year sea ice samples at in situ temperatures, we create a new mathematical network model to characterize the topology and connectivity of the brine channels. This model provides a statistical framework where we can characterize the pore networks via two parameters, depth and temperature, for use in dynamical sea ice models. Our approach advances the quantification of brine connectivity in sea ice, which can help investigations of bulk physical properties, such as fluid permeability, that are key in both global and regional sea ice models.
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