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Drought Metadata Catalogue and Drought Vocabulary

Access the Drought Metadata Catalogue, the CSW (Catalogue Service for the Web) and the Drought Vocabulary, implemented during the EuroGEOSS project by the Sistemas de Información Avanzados (IAAA) group of the University of Zaragoza and now hosted by EDO.

See the project deliverable “D.5.2b Update on metadata and catalogue: the Drought Vocabulary description and development process”.


Drought Vocabulary




About the Drought Vocabulary

This Drought Vocabulary is one of the outcomes of the EuroGEOSS project, a 7th Framework Program project of the European Commission working on a European approach to the Global Earth Observation System of Systems (GEOSS). The EuroGEOSS project focused on the three thematic areas of drought, biodiversity and forest with the objective to build interoperable infrastructures for each of the disciplines as well as an infrastructure supporting multi - disciplinary interoperability across disciplines.

The vocabulary was developed in the contexts of the thematic area of drought. The objectives of the drought working group was to connect drought-related resources on different spatial scales in an interoperable infrastructure: the European Drought Observatory (EDO). EDO include a drought metadata catalogue developed by the Universidad de Zaragoza for the discovery of drought-related data and services and a map viewer for visualizing drought indices. The integration of drought indices from different sources in the interoperable infrastructure is based on open web services of the Open Geospatial Consortium (OGC).

Following the proposal of GEOSS and INSPIRE, the discovery of information is based on searching through metadata descriptions. The drought team built a metadata catalogue that is tailored towards the needs of experts from the drought community. One of the key fields of the metadata describing resources is the field that facilitates the discovery of a resource of interest.

In the process of preparing metadata for drought-related data and services within EDO, it turned out that the proposed vocabularies within the EuroGEOSS project for the annotation of metadata did not comply with the needs of the drought community, because they were highly generic to allow for a proper classification of the resources or too large to be a practical tool for annotation.
Therefore it was decided to prepare a specialised drought vocabulary to improve the discovery of drought-related data and services in this interoperable infrastructure and to facilitate the task of metadata annotation. The resulting vocabulary, developed through an open and collaborative process, contains 103 concepts organised hierarchically in groups (drought, meteorology, soil, hydrology) and provides preferred and alternative labels in fifteen languages.

(Adapted form "The Development and Interlinkage of a Drought Vocabulary in the EuroGEOSS Interoperable Catalogue Infrastructure". Miguel Ángel Latre, Barbara Hofer, Javier Lacasta, Javier Nogueras-Iso. International Journal of Spatial Data Infrastructures Research. 2012, vol. 7, p. 225-248. doi:10.2902/1725-0463.2012.07.art12 and "Electronic resources related to the EuroGEOSS Drought vocabulary", last accessed 2014-04-15)
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please contact Alfred de Jager