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EmblA is the Nordic center of excellence within ensemble-based data assimilation. The center includes several world-leading experts within the development and application of ensemble data assimilation, and supports Nordic users of data-assimilation methods with instruction and training, state-of-the-art open-source data-assimilation codes, and works within R&D of data-assimilation methods in a number of applications. EmblA also conducts fundamental research at the forefront of the methodological development of ensemble-based data assimilation.

The center contributes within outreach and promotion of ensemble-based data assimilation through the partial sponsoring and support of:

  1. The Annual EnKF workshop arranged in Bergen in collaboration between NERSC and IRIS (see www.iris.no/enkf/enkf-homepage).
  2. The bi-annual international summer school arranged by Prof. Remus Hanea in Romania (http://data-assimilation.com/aboutus).

The center also organizes an introductory 1-week school in ensemble-based data assimilation for students in the Nordic countries and beyond and in addition hosts visiting scientists from Nordic countries as well as international collaborators. A number of additional partnerships have been formed with institutes in need of data-assimilation expertise.

Thus, the EmblA-center vision is to function as the central hub for ensemble-based data assimilation in the Nordic countries and one of the leading point worldwide.

The structure of the center is illustrated in Figure 1, where NERSC and WP 1 is the methodological data assimilation component that serves as a common point of interaction and collaboration for all axes in the center.  Each axis corresponds to a work package, focusing on a particular application, where a corresponding center participant has the responsibility. In the center we can differentiate between the partners and WPs directly funded by EmblA and the additional partners and their applications that have later linked up to and interact with the center. Interactions between partners can either go to the central (methodological) part or from one application to another.