Journal of Oceanography

, Volume 68, Issue 4, pp 485–496 | Cite as

Variability of the Bering Sea circulation in the period 1992–2010

  • Gleb Panteleev
  • Max Yaremchuk
  • Vladimir Luchin
  • Dmitri Nechaev
  • Takashi Kukuchi
Review

Abstract

Sea surface height anomalies observed by satellites in 1992–2010 are combined with monthly climatologies of temperature and salinity to estimate circulation in the southern Bering Sea. The estimated surface and deep currents are consistent with independent velocity observations by surface drifters and Argo floats parked at 1,000 m. Analysis reveals 1–3-Sv interannual transport variations of the major currents with typical intra-annual variability of 3–7 Sv. On the seasonal scale, the Alaskan Stream transport is well correlated with the Kamchatka (0.81), Near Strait (0.53) and the Bering Slope (0.37) currents. Lagged correlations reveal a gradual increase of the time the lags between the transports of the Alaskan Stream, the Bering Slope Current and the Kamchatka Current, supporting the concept that the Bering Sea basin is ventilated by the waters carried by the Alaskan Stream south of the Aleutian Arc and by the flow through the Near Strait. Correlations of the Bering Sea currents with the Bering Strait transport are dominated by the seasonal cycle. On the interannual time scale, significant negative correlations are diagnosed between the Near Strait transport and the Bering Slope and Alaskan Stream currents. Substantial correlations are also diagnosed between the eddy kinetic energy and Pacific Decadal Oscillation.

Keywords

Bering Sea Inter-annual variability Sea surface height Volume transport Aleutian passes Kinetic energy 

Notes

Acknowledgments

This study was supported by the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) through their sponsorship of research activities at the International Arctic Research Center and by the Office of Naval Research (Program element 0602435N, project “Observational Impact”). G. Panteleev was also supported by the National Science Foundation 1107925 award and by the North Pacific Research Board (NPRB) 828 award. D. Nechaev was supported by the NPRB 828 award.

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Copyright information

© The Oceanographic Society of Japan and Springer 2012

Authors and Affiliations

  • Gleb Panteleev
    • 1
  • Max Yaremchuk
    • 2
  • Vladimir Luchin
    • 3
  • Dmitri Nechaev
    • 4
  • Takashi Kukuchi
    • 5
  1. 1.International Arctic Research Center (IARC)University of AlaskaFairbanksUSA
  2. 2.Naval Research LaboratoryStennis Space CenterHancockUSA
  3. 3.V.I.Il’ichev Pacific Oceanological InstituteFar Eastern Branch, Russian Academy of Sciences (POI FEB RAS)VladivostokRussia
  4. 4.Department of Marine ScienceUniversity of Southern MississippiHattiesburgUSA
  5. 5.Japan Agency for Marine-Earth Science and TechnologyYokosukaJapan

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