Resolving Shelf Break Exchange Around the European Northwest Shelf (bibtex)
by , , ,
Abstract:
Shelf seas act as a significant sink of carbon within the global ocean. This occurs as carbon is exported beneath the permanent oceanic thermocline through the downwelling circulation across the shelf break. This downwelling circulation is quantified here using two regional ocean model configurations of the European northwest shelf, with differing resolution (7- and 1.5-km grid spacing). The dominant mechanisms and impact of model resolution are assessed along the length of the shelf break. The total downwelling circulation is stronger at higher resolution, due to an increased on-shelf transport at internal depths (20-150 m) and increased off-shelf transport at the base of the water column. At internal depths, these differences increase seasonally, influenced by stratification. Key processes in cross-shelf exchange only begin to be resolved at O(1 km), implying that global models currently used to assess the carbon cycles will be missing these processes.
Reference:
Resolving Shelf Break Exchange Around the European Northwest Shelf (Jennifer A. Graham, Jonathan P. Rosser, Enda O'Dea, Helene T. Hewitt), In Geophys Res Lett, 2018.
Bibtex Entry:
@Article{	  graham.ea_2018_1,
  author	= {Jennifer A. Graham and Jonathan P. Rosser and Enda O'Dea
		  and Helene T. Hewitt},
  title		= {Resolving Shelf Break Exchange Around the {European
		  Northwest Shelf}},
  journal	= {Geophys Res Lett},
  year		= {2018},
  abstract	= {Shelf seas act as a significant sink of carbon within the
		  global ocean. This occurs as carbon is exported beneath the
		  permanent oceanic thermocline through the downwelling
		  circulation across the shelf break. This downwelling
		  circulation is quantified here using two regional ocean
		  model configurations of the European northwest shelf, with
		  differing resolution (7- and 1.5-km grid spacing). The
		  dominant mechanisms and impact of model resolution are
		  assessed along the length of the shelf break. The total
		  downwelling circulation is stronger at higher resolution,
		  due to an increased on-shelf transport at internal depths
		  (20-150 m) and increased off-shelf transport at the base of
		  the water column. At internal depths, these differences
		  increase seasonally, influenced by stratification. Key
		  processes in cross-shelf exchange only begin to be resolved
		  at O(1 km), implying that global models currently used to
		  assess the carbon cycles will be missing these processes.},
  doi		= {10.1029/2018GL079399}
}
Powered by bibtexbrowser