Atlantic water flow between Iceland and Faroes 2012 – 2013

Bogi Hansen; Hjálmar  Hátun; Karin Margretha Húsgarð Larsen; Regin Kristiansen; Ebba Mortensen; Svein Østerhus

Atlantic water flow between Iceland and Faroes 2012 – 2013

Bogi Hansen, Hjálmar Hátun, Karin Margretha Húsgarð Larsen, Regin Kristiansen, Ebba Mortensen, Svein Østerhus

Havstovan - Faroe Marine Research Institute

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Abstract

The inflow of warm and saline Atlantic water across the Iceland-Faroe Ridge into the Norwegian Sea is the main branch of Atlantic inflow to the Nordic Seas. Since summer 1997, the volume transport of Atlantic water carried by this branch has been monitored by an array of moored ADCPs combined with regular CTD observations on a section along 6°05'W, extending northwards from the Faroe shelf. The traditional method for estimating Atlantic water transport requires input from at least three ADCPs straddling the Atlantic water flow, but from the deployment summer 2012 to summer 2013, it was only possible to recover two ADCPs. When the data from these two ADCPs are combined with data from satellite altimetry, we find, however, that it is possible to generate a fairly accurate time series of Atlantic water transport. From 1st July 2012 to 1st May 2013, the average Atlantic water transport was 3.3 Sv, which is slightly less than the long-term average, but not the lowest transport for similar periods in the past.

Original language	English
Type	Havstovan Technical Report
Publisher	Havstovan - Faroe Marine Research Institute
Number of pages	8
Place of Publication	Tórshavn
Edition	02
Volume	14
Publication status	Published - Mar 2014

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Name	Havstovan Technical Reports

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title = "Atlantic water flow between Iceland and Faroes 2012 – 2013",

abstract = "The inflow of warm and saline Atlantic water across the Iceland-Faroe Ridge into the Norwegian Sea is the main branch of Atlantic inflow to the Nordic Seas. Since summer 1997, the volume transport of Atlantic water carried by this branch has been monitored by an array of moored ADCPs combined with regular CTD observations on a section along 6°05'W, extending northwards from the Faroe shelf. The traditional method for estimating Atlantic water transport requires input from at least three ADCPs straddling the Atlantic water flow, but from the deployment summer 2012 to summer 2013, it was only possible to recover two ADCPs. When the data from these two ADCPs are combined with data from satellite altimetry, we find, however, that it is possible to generate a fairly accurate time series of Atlantic water transport. From 1st July 2012 to 1st May 2013, the average Atlantic water transport was 3.3 Sv, which is slightly less than the long-term average, but not the lowest transport for similar periods in the past.",

author = "Bogi Hansen and Hj{\'a}lmar H{\'a}tun and Larsen, {Karin Margretha H{\'u}sgar{\dh}} and Regin Kristiansen and Ebba Mortensen and Svein {\O}sterhus",

year = "2014",

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language = "English",

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series = "Havstovan Technical Reports",

publisher = "Havstovan - Faroe Marine Research Institute",

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T1 - Atlantic water flow between Iceland and Faroes 2012 – 2013

AU - Hansen, Bogi

AU - Hátun, Hjálmar

AU - Larsen, Karin Margretha Húsgarð

AU - Kristiansen, Regin

AU - Mortensen, Ebba

AU - Østerhus, Svein

PY - 2014/3

Y1 - 2014/3

N2 - The inflow of warm and saline Atlantic water across the Iceland-Faroe Ridge into the Norwegian Sea is the main branch of Atlantic inflow to the Nordic Seas. Since summer 1997, the volume transport of Atlantic water carried by this branch has been monitored by an array of moored ADCPs combined with regular CTD observations on a section along 6°05'W, extending northwards from the Faroe shelf. The traditional method for estimating Atlantic water transport requires input from at least three ADCPs straddling the Atlantic water flow, but from the deployment summer 2012 to summer 2013, it was only possible to recover two ADCPs. When the data from these two ADCPs are combined with data from satellite altimetry, we find, however, that it is possible to generate a fairly accurate time series of Atlantic water transport. From 1st July 2012 to 1st May 2013, the average Atlantic water transport was 3.3 Sv, which is slightly less than the long-term average, but not the lowest transport for similar periods in the past.

AB - The inflow of warm and saline Atlantic water across the Iceland-Faroe Ridge into the Norwegian Sea is the main branch of Atlantic inflow to the Nordic Seas. Since summer 1997, the volume transport of Atlantic water carried by this branch has been monitored by an array of moored ADCPs combined with regular CTD observations on a section along 6°05'W, extending northwards from the Faroe shelf. The traditional method for estimating Atlantic water transport requires input from at least three ADCPs straddling the Atlantic water flow, but from the deployment summer 2012 to summer 2013, it was only possible to recover two ADCPs. When the data from these two ADCPs are combined with data from satellite altimetry, we find, however, that it is possible to generate a fairly accurate time series of Atlantic water transport. From 1st July 2012 to 1st May 2013, the average Atlantic water transport was 3.3 Sv, which is slightly less than the long-term average, but not the lowest transport for similar periods in the past.

M3 - Other contribution

VL - 14

T3 - Havstovan Technical Reports

PB - Havstovan - Faroe Marine Research Institute

CY - Tórshavn

ER -

Atlantic water flow between Iceland and Faroes 2012 – 2013

Abstract

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