BORA - UiB

Bergen Open Research Archive

Browsing by Subject "Data assimilation"

Bergen Open Research Archive

Browsing by Subject "Data assimilation"

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  • Stordal, Andreas Størksen; Karlsen, Hans A.; Nævdal, Geir; Skaug, Hans J.; Vallès, Brice (Peer reviewed; Journal article, Springer, 2010)
    The nonlinear filtering problem occurs in many scientific areas. Sequential Monte Carlo solutions with the correct asymptotic behavior such as particle filters exist, but they are computationally too expensive when working ...
  • Evensen, Geir; Drange, Helge (Chapter, Elsevier Science, 1997)
  • Evensen, Geir (Journal article, Elsevier, 1994-10-01)
    An overview is given of the current status of inverse methods and data assimilation for nonlinear ocean models. The inverse theory for time dependent dynamical models is formulated and the most promising solution methods ...
  • Cummings, James; Bertino, Laurent; Brasseur, Pierre; Fukumori, Ichiro; Kamachi, Masafumi; Martin, Matthew J.; Mogensen, Kristian; Oke, Peter; Testut, Charles Emmanuel; Verron, Jaques; Weaver, Anthony (Journal article, The Oceanography Society, 2009-09)
    Ocean data assimilation has matured to the point that observations are now routinely combined with model forecasts to produce a variety of ocean products. Approaches to ocean data assimilation vary widely both in terms ...
  • Eknes, Mette; Evensen, Geir (Journal article, American Geophysical Union, 1997-06-15)
    A weak constraint variational formulation is used for inverse calculations and parameter estimation in a one-dimensional Ekman model. When parameters in the model are allowed to contain errors, the inverse problem becomes ...

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