Dataset: Ice-sheet melting exacerbates food insecurity in West Africa under high emission scenarios

This repository contains the supplementary datasets for the study "Ice-Sheet Melting Deepens Food Insecurity in West Africa: Climate–Yield–Population Interactions Under RCP8.5 and Freshwater Forcing Scenarios", submitted to Environmental Research Letters in Climate.

It includes:

• Country-level yield anomalies for maize, millet, and sorghum (2041–2070 vs. historical baseline)

• Agro-climatic indicators (e.g., rainy season onset, CDD, R10mm, Tmax > 35°C, duration) under three climate scenarios (RCP8.5, GrIS1.5m, WAIS3m)

• Aggregated data per crop, scenario, and country used for correlation analysis between climatic drivers and crop productivity

These outputs are derived from simulations using the IPSL-CM5A-LR model (CMIP5), bias-corrected with CDFt, and the SARRA-O crop model. The indicators were computed to better capture the agro-climatic constraints affecting yield responses beyond mean climate variables. This dataset supports figure production and reproducibility of the main analysis.