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In the last decade, the scientific community has witnessed growing emphasis on data integration. The primary objective is to harness multidisciplinary data and resources to drive novel methodological approaches and scientific breakthroughs. Among the projects that have emerged in response to this trend is the Geosphere INfrastructures for QUestions into IntegratedREsearch (Geo-INQUIRE, https://www.geo-inquire.eu/).Geo-INQUIRE was launched in October 2022 and comprises a unique consortium of 51 partners, including prominent national research institutes, universities, national geological surveys, and European consortia. Geo-INQUIRE is dedicated to surmounting cross-domain challenges, particularly those pertaining to land-sea-atmosphere environments. To accomplish this mission, Geo-INQUIRE is committed to consolidating the resources and capabilities of key research infrastructures (RIs) specializing in geosphere observations. These RIs include EPOS, EMSO, ARISE, ECCSEL, and ChEESE.By providing access to its expanded collection of data, products, and services, Geo-INQUIRE empowers the upcoming generation of scientists to conduct cutting-edge research that addresses complex societal challenges from a multidisciplinary viewpoint. This encourages the utilization of these resources to foster curiosity-driven research endeavors.To harmonize and prepare the data produced by these different RIs for integration, substantial efforts have been undertaken, which required cataloging all installations provided by the data providers, their analysis, and assessment concerning the maturity level required for FAIR (Findable, Accessible, Interoperabile, and Reusable) data integration. In addition, dedicated seminars focused on data integration were carried out to boost the FAIR data provision process. Technical activities have been carried out to achieve cross-RI integration. In this contribution, we demonstrate and exemplify one such integration: between EMSO (https://emso.eu/) and EPOS (https://www.epos-eu.org/). This has been achieved on multiple fronts, including metadata and services.The successful integration of metadata and services was made possible by adopting the EPOS-DCAT Application Profile (https://epos-eu.github.io/EPOS-DCAT-AP/v3/), allowing an intelligent system like the EPOS platform (https://www.ics-c.epos-eu.org/) to access the EMSO services seamlessly. Work is currently underway to develop software that will enable the visualization of heterogeneous time series data from EMSO within the integrated framework, a crucial step to achieve full data integration.
Giuliacci et al. (Fri,) studied this question.