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Progress in Earth and Planetary Science
Fig. 1 | Progress in Earth and Planetary Science

Fig. 1

From: Alkenone surface hydrographic changes of the subarctic Northwestern Pacific since the last glacial: proxy limitations and implications of non-thermal environmental influences

Fig. 1

Map of site locations of the subarctic NW Pacific used in this study. A series of sediment cores along the western blank of Bering Sea, off Kamchatka, and the Okhotsk Sea are used for extracting last glacial alkenone temperature variability of the subarctic NW Pacific. Modern annual mean SSTs in the Northern Pacific are shown with contours using oceanographic data from AVHRR for the 1982–2014 period (Banzon et al. 2016). Core LV 63-41-2 (52.56° N, 160.00° E; circled bullet symbol) was retrieved at a water depth of 1924 m from the continental slope off Kamchatka. Core sites of these published alkenone SST records (Seki et al. 2004b; Max et al. 2012) are marked by yellow circle symbols. Surface circulation patterns of the Northern Pacific are abbreviated as follows: EKC, East Kamchatka Current; OC, Oyashio Current; ANSC, Aleutian North Slope Current

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