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NA4 (WP5): Data Networking

Objectives

The ENES federated data archive provides a broad range of services to support the ENES science strategy. Through use of the Earth System Grid (ESG) software stack and close co-operation with US partners (particularly PCMDI, NOAA and NCAR), the ENES archive is fully interoperable with the global federation supporting the CMIP5 archive. The scalable federated architecture, exploiting standard interfaces and protocols, meets the demands of growing data volumes and complexities. NA4 will work on enhancing the breadth and completeness of standards used to describe and access diverse datasets. Maintenance of community agreed standards requires effort but brings substantial benefits. The successful operational example set by the Climate and Forecast (CF) Convention needs to be expanded to cover a broader range of standards that are fundamental to the emerging archive infrastructure. NA4 will both gather requirements and set standard which will feed into the service development work of JRA3, and coordinate the generation of guidance documents that will become part of the service provided by SA2.

Extending use of Metadata

Metadata providing detailed and structured information about data holdings is fundamental to the archive infrastructure. Common ontologies and vocabularies allow different parts of the federation to interact in ways that are transparent to the user. The "Common Information Model" (CIM) developed by the FP7 project METAFOR to describe global climate models and simulations will be extended to support more data types, such as regional models (CORDEX), statistical downscaling, re-analyses and observations. Networking activities will be essential for collaborations with key US groups as well as other related initiatives such as Eranet CIRCLE-2, FP7 Euro4M, G8-ExArch, and relevant European research and Integration projects. These changes will also make it possible to use the CIM to define and distribute experimental plans in a consistent manner and use the CIM as a critical input to automating data management functions such as quality control.

Enhancing interoperability for users

Many services provided by the archive will gain considerable value through interoperability with other data archives, by enabling the use of these services to process data with the same interfaces across different datasets, covering several scientific domains and communities. This will necessitate several workshops to interact with these heterogeneous climate change impact and adaptation communities and to gather information on their specific requirements as well as their datasets technical aspects. NA4 will generate requirements and guidance documents for the ENES Portal for Climate Impact Communities (CLIMATE4IMPACTS), developed in JRA3 and being made operational as a service in SA2.

Enhancing governance

The federated archive needs a clearer governance structure and a standardised approach to intellectual property rights. In both cases, the complex web of constraints imposed by existing national and institutional practises need to be taken into account.

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IS-ENES3 has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 824084