2026-10-11T01:01:32Z https://api.figshare.com/v2/oai

oai:figshare.com:article/33870802 2026-09-17T04:28:25Z category_575 portal_316 item_type_3 month_year_09_2026

Data Sheet 1_Modeling cascading drought effects in a national food supply network using minimum cost flow.pdf Noor Bosman (25001569) Samuel Jonson Sutanto (25001572) Zahra Kalantari (6816218) Marlon Vieira Passos (25001575) Food Packaging, Preservation and Safety cascading failure droughts food security minimum cost flow network analysis supply chain optimization <p>Droughts increasingly threaten food security, yet assessments often overlook how local agricultural losses cascade through complex supply chains. We developed a spatially explicit network optimization model employing a minimum cost flow algorithm to simulate food distribution within a synthetic national-scale Swedish food supply network (a model network constructed from open geospatial data) of more than 830,000 nodes. To test the system's response to extreme hydro-climatic stress, we applied a severe drought scenario analogous to the conditions experienced in 2018. The model revealed a significant spatial disconnect: while agricultural yield losses were concentrated in southern farming regions, unmet consumer demand emerged predominantly in northern municipalities. Furthermore, network analysis showed that flow reconfiguration under drought stress created new critical bottlenecks, effectively shifting the system's overall vulnerabilities. While these specific geographic results are illustrative of the framework's diagnostic capability rather than empirically verified operational failures, they demonstrate that drought impacts propagate nonlinearly through supply networks. This underscores the critical importance of considering network topology in food security assessments. Ultimately, our approach offers a scalable framework for identifying hidden vulnerabilities and informing resilience strategies in national food supply infrastructures.</p> 2026-09-17T04:28:25Z Dataset Dataset 10.3389/fsufs.2026.1892770.s001 https://figshare.com/articles/dataset/Data_Sheet_1_Modeling_cascading_drought_effects_in_a_national_food_supply_network_using_minimum_cost_flow_pdf/33870802 CC BY 4.0