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δ-MedBioclim: A New Dataset Bridging Current and Projected Bioclimatic Variables for the Euro-Mediterranean Region

Author

Listed:
  • Giovanni-Breogán Ferreiro-Lera

    (Department of Biodiversity and Environmental Management, Faculty of Biological and Environmental Sciences, University of León, Campus de Vegazana s/n, 24071 Leon, Spain)

  • Ángel Penas

    (Department of Biodiversity and Environmental Management, Faculty of Biological and Environmental Sciences, University of León, Campus de Vegazana s/n, 24071 Leon, Spain)

  • Sara del Río

    (Department of Biodiversity and Environmental Management, Faculty of Biological and Environmental Sciences, University of León, Campus de Vegazana s/n, 24071 Leon, Spain
    Mountain Livestock Institute (CSIC-ULE), León-Vega de Infanzones Road (Finca Marzanas-Grulleros), 24346 Leon, Spain)

Abstract

This data descriptor presents δ-MedBioclim, a newly developed dataset for the Euro-Mediterranean region. This dataset applies the delta-change method by comparing the values of 25 General Circulation Models (GCMs) for the reference period (1981–2010) with their projections for future periods (2026–2050, 2051–2075, and 2076–2100) under the SSP1-RCP2.6, SSP2-RCP4.5, and SSP5-RCP8.5 scenarios. These anomalies are added to two pre-existing datasets, ERA5-Land and CHELSA, yielding resolutions of 0.1° and 0.01°, respectively. Additionally, this manuscript provides a ranking of GCMs for each major river basin within the study area to guide model selection. δ-MedBioclim includes, for all the aforementioned scenarios, monthly mean temperature, total monthly precipitation, and 23 bioclimatic variables, including 9 (biorm1 to biorm9) from the Worldwide Bioclimatic Classification System (WBCS) that are not available in other databases. It also provides two bioclimatic classifications: Köppen–Geiger and WBCS. This dataset is expected to be a valuable resource for modeling the distribution of Mediterranean species and habitats, which are highly affected by climate change.

Suggested Citation

  • Giovanni-Breogán Ferreiro-Lera & Ángel Penas & Sara del Río, 2025. "δ-MedBioclim: A New Dataset Bridging Current and Projected Bioclimatic Variables for the Euro-Mediterranean Region," Data, MDPI, vol. 10(5), pages 1-13, May.
    • Handle: RePEc:gam:jdataj:v:10:y:2025:i:5:p:78-:d:1657287
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