ISEHSD: a feedback-based, integrated social-ecohydrological system dynamic model for studying river basin-level transformation

Yu, L., Wang, S., Song, S., Ye, Q., Wu, X., & Fu, B. (2026). ISEHSD: a feedback-based, integrated social-ecohydrological system dynamic model for studying river basin-level transformation. Environmental Modelling & Software 204 e107103. 10.1016/j.envsoft.2026.107103.

Abstract

Models are essential for representing intertwined socio-ecohydrological interactions that shape human-water systems. River basin is the fundamental unit that links human and nature, yet existing models often struggle to capture basin-specific feedback and support sustainability assessments. We develop the Integrated Social-Ecohydrological System Dynamics (ISEHSD) model, a transferable and extensible framework specially designed for river basin-level analysis. ISEHSD enables sustainability assessment within the basin's biophysical boundaries by explicitly coupling climate dynamics and human interventions across 11 components within a unified feedback structure. We demonstrate a use-case implementation in the Yellow River Basin, a river basin with intensive anthropogenic interference. Simulation results underscore the efficacy of ISEHSD in capturing complex interactions within river basins. Global sensitivity analysis and uncertainty quantification are employed to identify key policy levers and assess trade-offs among alternative policies. ISEHSD provides a scalable and interpretable tool for stakeholder dialogue and sustainable management for global river basins.

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