Interannual variability in the hydrography of Atlantic water northwest of Svalbard

Saloranta, Tuomo; Haugan, Peter M.

doi:10.1029/2000jc000478

Cited by 73 publications

(84 citation statements)

References 36 publications

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“…[8] The model reproduces the main features of the Saloranta and Haugan [2001] WSC temperature time series (Figure 1). The model results indicate a marked temperature GEOPHYSICAL RESEARCH LETTERS, VOL.…”

Section: Propagation Of Warm Signalsmentioning

confidence: 99%

“…[4] In 1992, the subsurface temperature in the WSC at about 79°N, close to FS reached its highest value since continuous measurements were taken in that area [Saloranta and Haugan, 2001]. It dropped by almost 2K until 1995 with rising values again afterwards.…”

Section: Introductionmentioning

confidence: 99%

“…It dropped by almost 2K until 1995 with rising values again afterwards. Saloranta and Haugan [2001] also report earlier warm periods in the WSC when the temperature reached more than 4°C, namely around 1930, 1960, 1970and 1984. Saloranta and Haugan [2001 speculate that enhanced volume transport of Atlantic Water or processes in the Arctic Ocean must have been responsible for the recent warming event in the Arctic Ocean (see Karcher et al [2003a] for a discussion of the relevant literature).…”

Section: Introductionmentioning

confidence: 99%

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Causes and development of repeated Arctic Ocean warming events

Gerdes

Kärcher

Kauker

et al. 2003

Geophysical Research Letters

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A model hindcast for 1948–2002 shows several warming events in the Atlantic layer of the Arctic Ocean. The most recent warming event in the 1990s spread from Fram Strait to the Lomonosov Ridge and into the Canadian Basin. Only a warming event in the 1960s can also be followed into the eastern Eurasian Basin. These two warming events are reinforced by anomalously warm flow from the Barents Sea while warming events in the 1970s and 1980s encounter average or below normal temperatures in the Barents Sea branch of the Atlantic Water. The warm Barents Sea outflow in the 1960s is caused by extensive ice cover and a melt water induced halocline in the Barents Sea that reduced heat loss from the Atlantic water. In the 1990s, however, the warm inflow from the Nordic Seas was responsible for warmer than normal flow from the Barents Sea into the Arctic Ocean.

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Section: Propagation Of Warm Signalsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Causes and development of repeated Arctic Ocean warming events

Gerdes

Kärcher

Kauker

et al. 2003

Geophysical Research Letters

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“…6 masses eastwards into the Arctic Ocean (Manley, 1995;Rudels et al, 2000;Saloranta and Haugan, 2001). The East Spitsbergen Current (ESC) carries cold water and sea ice from the Arctic Ocean southward along the east coast of Svalbard to the south and west around Spitsbergen (Hopkins, 1991;Loeng, 1991).…”

Section: Accepted M Manuscriptmentioning

confidence: 99%

Atlantic Water advection to the eastern Fram Strait — Multiproxy evidence for late Holocene variability

Werner

Spielhagen

Bauch

et al. 2011

Palaeogeography, Palaeoclimatology, Palaeoecology

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A multiproxy data set of an AMS radiocarbon dated 46 cm long sediment core from the continental margin off western Svalbard reveals multidecadal climatic variability during the past two millennia. Investigation of planktic and benthic stable isotopes, planktic foraminiferal fauna, and lithogenic parameters aims to unveil the Atlantic Water advection to the eastern Fram Strait by intensity, temperatures, and salinities. Atlantic Water has been continuously present at the site over the last 2,000 years. Superimposed on the increase in sea

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“…BSO AW has the effect to reduce the temperature of the AW layer, so the higher temperature and heat content in the Canadian Basin in LOW should be attributed to the larger amount of warm Fram Strait AW. Because the temperature of the BSO branch is similar after the atmospheric cooling over the continental shelves, the slightly lower volume transport through BSO in LOW (Table 1) due to surface cooling and starts to subduct under cold Polar Water, and a fraction of AW recirculates to the west and then southwards in different paths (Quadfasel et al, 1987;Gascard et al, 1988;Saloranta and Haugan, 2001;Marnela et al, 2013;5 de Steur et al, 2014). Strong variability associated with mesoscale eddies was observed in the Fram Strait (von Appen et al, 2016), which may play an important role in setting the AW recirculation (Hattermann et al, 2016).…”

Section: Atlantic Water (A) Heat Content and Water Mass Sourcesmentioning

confidence: 99%

A 4.5 km resolution Arctic Ocean simulation with the global multi-resolution model FESOM1.4

Wang¹,

Wekerle²,

Danilov³

et al. 2017

Preprint

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Abstract. In the framework of developing a global modeling system which can facilitate modeling studies on Arctic Ocean and high-mid latitude linkage, we evaluate the Arctic Ocean simulated by the multi-resolution ocean sea-ice model FESOM.To explore the value of using high horizontal resolution for Arctic Ocean modeling, we use two global meshes differing in Atlantic Water (AW) mean state and variability. The deepening and thickening bias of the AW layer, a common issue found in coarse resolution simulations, is significantly alleviated by using higher resolution. The topographic steering of the AW is stronger and the seasonal and interannual temperature variability along the ocean bottom topography is enhanced in the high resolution simulation. The high resolution also improves the ocean surface circulation, mainly through a better representation of the narrow straits in the Canadian Arctic Archipelago (CAA). The representation of CAA throughflow not only influences 10 the release of water masses through the other gateways, but also the circulation pathways inside the Arctic Ocean. However, the mean state and variability of Arctic freshwater content and the variability of freshwater transport through the Arctic gateways appear not to be very sensitive to the increase in resolution employed here. We also discuss model issues that are not directly linked to resolution, highlighting the need for further model development including improving parameterizations.

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Interannual variability in the hydrography of Atlantic water northwest of Svalbard

Abstract: Abstract.Using

Cited by 73 publications

References 36 publications

Causes and development of repeated Arctic Ocean warming events

Causes and development of repeated Arctic Ocean warming events

Atlantic Water advection to the eastern Fram Strait — Multiproxy evidence for late Holocene variability

A 4.5 km resolution Arctic Ocean simulation with the global multi-resolution model FESOM1.4

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