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This initial setup is the input for an Azure DevOps pipeline. This pipeline creates a Kubernetes cluster with the keys stored in secrets. This Kubernetes cluster is then used to start a workflow which brings data and model together. A more detailed description of the pipeline is given next.  

 

 

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The actions in the pipeline are illustrated in the image below. A service account from both Van Oord and Azure are used in the pipeline for access to the relevant items in the recourse groups as described above. 

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  • Mount volumes. For the storage accounts Persistent Volumes and Persistent Volume Claims are created to mount these volumes in the containers 

  • In the last step the Argo workflow is submitted to run the Global Tide and Surge Model. 

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Operation 

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The last step of the pipeline is to generate a comparison between the model and the observational data, in our case between Buoy data and our GTSM model. Such a result is seen in Figure 2. Note that the output has to strike a balance between being detailed enough to improve the model and coarse enough that the original input cannot be retrieved anymore. 

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Figure 2 Output of the complete processing pipeline. The model is overestimating the magnitude of the velocity in this case, especially on lower velocities. 

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