Rapella (2025) Modélisation et évaluation de la solution agrivoltaïque au nexus climat-eau-énergie-alimentation dans le contexte du changement climatique dans la région euro-méditerranéenne

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Identification

• Journal: theses.fr (ABES)
• Year: 2025
• Date: 2025-11-27
• Authors: Lia Rapella
• DOI: None

Research Groups

• ORCHIDEE Model Development Team (typically associated with Institut Pierre-Simon Laplace / LSCE).
• Regional climate and agricultural modeling researchers specializing in the Euro-Mediterranean (EUROMED) region.

Short Summary

This study integrates a photovoltaic module into the ORCHIDEE land surface model to assess the regional impact of agrivoltaics across the Euro-Mediterranean. The findings reveal that agrivoltaics significantly improve crop yields and resource efficiency in arid southern regions like the Iberian Peninsula, while providing limited or negative impacts in wetter northern regions like the Netherlands.

Objective

• To develop a flexible, regional-scale modeling tool to evaluate the impact of agrivoltaics on the water-energy-food-ecosystems (WEFE) nexus, specifically focusing on energy, water, carbon, and nitrogen fluxes under varying climate conditions.

Study Configuration

• Spatial Scale: Euro-Mediterranean (EUROMED) region, with high-resolution focus on the Iberian Peninsula and the Netherlands.
• Temporal Scale: Contemporary period (using reanalysis data) and future projections under the RCP 8.5 climate scenario.

Methodology and Data

• Models used: ORCHIDEE land surface model integrated with a custom-developed photovoltaic (PV) module; EURO-CORDEX regional climate models.
• Data sources: Climate reanalysis data for historical validation and EURO-CORDEX projections for future climate scenarios (RCP 8.5).

Main Results

• Iberian Peninsula: Agrivoltaics (AV) improved crop yields, food security, and resource-use efficiency. The system enhanced nitrogen-use efficiency and reduced greenhouse gas (GHG) emissions, particularly during drought periods.
• The Netherlands: AV systems tended to reduce crop yields due to lower solar radiation and higher humidity, offering minimal benefits compared to southern regions.
• Regional Trends: The suitability of AV is highly climate-dependent; southern drought-prone areas are the primary beneficiaries of the microclimate improvements (shading and reduced evaporation) provided by PV panels.
• Energy Production: Successfully combined renewable energy generation with agricultural production, though the synergy is most effective in water-stressed environments.

Contributions

• Development of the first regional-scale agrivoltaic model integrated into a comprehensive land surface model (ORCHIDEE).
• Provides a multi-scale tool for policymakers to assess the WEFE nexus and design resilient, low-carbon agricultural strategies tailored to specific geographical and climatic contexts.

Funding

• Not specified in the provided text.

Citation

@article{Rapella2025Modélisation,
  author = {Rapella, Lia},
  title = {Modélisation et évaluation de la solution agrivoltaïque au nexus climat-eau-énergie-alimentation dans le contexte du changement climatique dans la région euro-méditerranéenne},
  journal = {theses.fr (ABES)},
  year = {2025},
  url = {https://openalex.org/W7119567908}
}

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