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Comments on “Is the Faroe Bank Channel Overflow Hydraulically Controlled?”

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  • 1 Department of Meteorology/Physical Oceanography, Stockholm University, Stockholm, Sweden
  • | 2 Swedish Meteorological and Hydrological Institute, Norrköping, and Department of Oceanography, Earth Sciences Centre, Göteborg University, Göteborg, Sweden
  • | 3 Swedish Meteorological and Hydrological Institute, Norrköping, Sweden
  • | 4 Department of Meteorology/Physical Oceanography, Stockholm University, Stockholm, Sweden
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Abstract

In a recent paper Girton et al., due to what appears to be a misunderstanding, stated that a critical-flow analysis of the deep-water transport through the Faroe Bank Channel had been undertaken by Lake et al. on the basis of rotating hydraulic theory for a channel of parabolic cross section. In fact, this quoted investigation dealt with a rectangular passage. In the present comment it is demonstrated how the use of parabolic bathymetry leads to significant improvements of the Froude number results.

Corresponding author address: Iréne Lake, Swedish Meteorological and Hydrological Institute, SE-60176 Norrköping, Sweden. Email: irene.lake@smhi.se

Abstract

In a recent paper Girton et al., due to what appears to be a misunderstanding, stated that a critical-flow analysis of the deep-water transport through the Faroe Bank Channel had been undertaken by Lake et al. on the basis of rotating hydraulic theory for a channel of parabolic cross section. In fact, this quoted investigation dealt with a rectangular passage. In the present comment it is demonstrated how the use of parabolic bathymetry leads to significant improvements of the Froude number results.

Corresponding author address: Iréne Lake, Swedish Meteorological and Hydrological Institute, SE-60176 Norrköping, Sweden. Email: irene.lake@smhi.se

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