The Bering Sea Regional Data Assimilation System: From Climate Variability to Short Term Hindcasting

  • Gleb G. Panteleev
  • Max Yaremchuk
  • Vladimir Luchin
  • Oceana Francis
Part of the Springer Oceanography book series (SPRINGEROCEAN)


We present a regional Data Assimilation System (DAS), which employs the 4-dimensional variational (4dVar) DA approach based on the strong dynamical constraints of a semi-implicit primitive equation model. The developed 4dVar DAS is applied to the Bering Sea in several configurations. First, it is used for the reconstruction of seasonal and annual mean climatological states in the region, including the high resolution mean dynamical ocean topography (MDOT). The dynamically and statistically consistent climatologies are then utilized in various applications, including high-resolution analyses of the transport through the passage of the Aleutian Arc, and of the 2007–2010 circulation on the East Bering Sea shelf with the nested configuration of the DAS. Apart from new insight on the Bering Sea dynamics, the chapter illustrates the importance of developing dynamically consistent climatologies and, in particular, MDOT, for the analysis of the diverse data sets within a wide spectrum of spatial and temporal scales.



This study was supported by the University of Hawaii, the International Arctic Research Center, NSF grants 1107925, 1203740 and ARC-1107327. G. Panteleev and M. Yaremchuk were also supported by the ONR core project “Arctic data assimilation” and program element 0602435N as part of the project “Adjoint-free 4dVar for Navy ocean models”. The authors are indebted to P. Stabeno for providing drifter and current data.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Gleb G. Panteleev
    • 1
  • Max Yaremchuk
    • 1
  • Vladimir Luchin
    • 2
  • Oceana Francis
    • 3
  1. 1.Naval Research LaboratoryStennis Space CenterHancockUSA
  2. 2.Pacific Oceanological InstituteVladivostokRussia
  3. 3.University of HawaiiHonoluluUSA

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