Lagrangian measurements in the Kamchatka Current and Oyashio

Stabeno, Phyllis J.; Reed, R. K.

doi:10.1007/bf02270498

Cited by 54 publications

(30 citation statements)

References 12 publications

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“…Numerous sites of mesoscale eddy generation possibly exist within the AS and BSC, due to baroclinic instability interacting with the sloping shelfbreak (Wang and Ikeda 1997;Mizobata et al 2002Mizobata et al , 2006Mizobata et al , 2008. The basic schematic surface circulation pattern, based on available observational evidence (Kinder and Coachman 1978;Stabeno and Reed 1994), is fairly well known (Fig. 4.1).…”

Section: Introductionmentioning

confidence: 99%

Abrupt Climate Changes and Emerging Ice-Ocean Processes in the Pacific Arctic Region and the Bering Sea

Wang

Eicken

et al. 2014

The Pacific Arctic Region

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Section: Introductionmentioning

confidence: 99%

Abrupt Climate Changes and Emerging Ice-Ocean Processes in the Pacific Arctic Region and the Bering Sea

Wang

Eicken

et al. 2014

The Pacific Arctic Region

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“…Eastward of 167°W, the ANSC turns northwestward, forming the BSC. Finally, the combination of the westward flow from the BSC and the northward flow entering into the Bering Sea through the Near Strait (Stabeno et al, 1994) forms the East Kamchatka Current.…”

Section: Modern Oceanographic Setting Of the Subarctic Pacificmentioning

confidence: 99%

Pliocene and Pleistocene paleoceanography in the western subarctic Pacific based on diatom analyses of ODP Leg 145 Hole 884B and IODP Expedition 323 Holes U1341B and U1343E

Kato

Onodera

Suto

et al. 2016

Deep Sea Research Part II: Topical Studies in Oceanography

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a b s t r a c tLate Pliocene-Pleistocene fossil diatom assemblages from Ocean Drilling Program (ODP) Leg 145 Hole 884B in the western subarctic Pacific were investigated to improve the diatom biostratigraphy. Moreover, the paleoceanographic records at Hole 884B were compared with those in Integrated Ocean Drilling Program (IODP) Expedition 323 Holes U1341B and U1343E in the Bering Sea for the time interval of 2.5-0 Ma in order to clarify the differences in the diatom assemblage fluctuations and the history of past ocean circulations around the subarctic Pacific. In Hole 884B, five diatom zones from the Neodenticula koizumii-Neodenticula kamtschatica Zone to the Neodenticula seminae Zone were identified. The decreases in the relative abundance of temperate-water species were recognized at ca. 1.9 Ma in Hole U1343E, ca. 2.1 Ma in Holes 884B and U1341B. The decreases of the temperate-water species at these sites indicate that a widespread cooling event must have occurred over the subarctic Pacific at $ 2 Ma. In addition, the continuous low occurrences of the sea-ice related species from around 2 Ma onward, which indicate the presence of sea-ice, were observed at Sites 884 and U1341. We also point out that the age differences in decrease of temperate-water species at the three sites (i.e., delay in response of the temperate-water species at Site U1343) may be related to changes of seawater inflow from the North Pacific to Sites U1341 and U1343 and of the East Kamchatka Current from the Bering Sea to Site 884.

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“…At the same time, mesoscale anticyclonic eddies cause considerable zonal shifting of drifters in both Kamchatka Current and upper Oyashio. Oyashio, the Alaskan Stream, and the Kamchatka Current contain mesoscale eddies of different scales [1,[4][5][6][7]. The presence of eddies is a main feature of these currents.…”

Section: Introductionmentioning

confidence: 99%

“…Oyashio is considered adjacent to the Kamchatka Current. American authors determine Oyashio as a current south of Kamchatka [7]. In Japanese literature, the Kamchatka Current is divided from the upper Oyashio at 155°E.…”

Section: Introductionmentioning

confidence: 99%

Warming of intermediate layers in the upper Oyashio in 1953–2007

Rogachev

Shlyk

2009

Russ. Meteorol. Hydrol.

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Considerable variations in intermediate water characteristics were found in the upper Oyashio based on the oceanographic data from 1953 to 2007. The long-term temperature trend at the 26.75s q isopycnal is 0.03°C/year. This temperature trend is considerably higher than that determined earlier for the Sea of Okhotsk intermediate water and much higher than the World Ocean temperature trend. The westward transport of warm and salty water of the Alaskan Stream is most likely to cause the changes in the Kamchatka Current and upper Oyashio. It is established that Aleutian mesoscale eddies move westward from the location of their formation south of the Blizhniy Strait and transport warm water (3.8-4.2°C) in their core (100-600 m,~26.75s q ). As the trajectory of eddies is quite stable, the westward flow of warm and salty intermediate waters considerably influences the upper Oyashio characteristics. Fig. 1. Region of the study and the scheme of main currents. Rectangular marks the area, for which temperature and salinity anomalies are computed. A is for the Aleutian eddies, K is for the Kamchatka Current eddies, and AKE is for the anticyclonic Kuroshio eddy.

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Lagrangian measurements in the Kamchatka Current and Oyashio

Cited by 54 publications

References 12 publications

Abrupt Climate Changes and Emerging Ice-Ocean Processes in the Pacific Arctic Region and the Bering Sea

Abrupt Climate Changes and Emerging Ice-Ocean Processes in the Pacific Arctic Region and the Bering Sea

Pliocene and Pleistocene paleoceanography in the western subarctic Pacific based on diatom analyses of ODP Leg 145 Hole 884B and IODP Expedition 323 Holes U1341B and U1343E

Warming of intermediate layers in the upper Oyashio in 1953–2007

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